OT: Any hydraulic experts among us?

[Ext User(Noddy)]

I've been trying to find a solution to a workshop tool problem for the last
few days, and can't get any straight answers so I thought I'd ask in here.

Due to roof height constraints, I can't have a full size vehicle hoist at
home, so I've got one of these:

http://i31.photobucket.com/albums/c389/dasgib/100_3162.jpg
http://i31.photobucket.com/albums/c389/dasgib/100_3161.jpg

It's a great device that I picked up for a few hundred bucks at an auction
around 6 months ago, and as far as I can tell it was made by MasterBench of
Queensland who make panel beating repair equipment like racks and the like.
Suits me perfectly as it lifts a vehicle high enough to comfortably work on
it without worrying about roof clearance, and it has the added bonus of
being mobile so a vehicle can be picked up and shoved into a corner or out
of the way.

The only downside is that it's manually operated with a standard 10 ton
porta power pump, and getting a vehicle the likes of the Fairlane in the
picture up in the air is a real gut buster of an effort that takes quite a
while to do.

It's currently fitted with a Ritch porta-power type single acting hydraulic
ram that looks like it wasn't part of it's original equipment, but that's
what came with it when I bought it. The ram has a 38mm shaft and 500mm
travel, and with a heavy car like the Fairlane the 10 ton pump is a real
effort to get all the way up, and doesn't hold quite enough hydraulic fluid
to get it right to the top.

My ultimate aim is to power the thing in some way, either by hydraulic means
or something else, and I was considering something like this:

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=46169

I can get one of these things locally for about 500 bucks, and they're
commonly used on a variety of cheap import 2 post and scissor lift type
hoists, but the problem is I'm unsure if the 2000psi they make is enough to
work with what I have, and I can't get any details about flow rates.

The second, and cheapest, option was to go with a pneumatic/hydraulic foot
valve, as I have plenty of air, and most of those seem to be able to put out
10,000psi which is the same as what the hand pump is apparently capable of.
The downside with them is that their exhausts are noisy.

Thirdly, I thought about ditching the hydraulics altogether and extending
the top of the frame to incorporate an electric winch and use that to pull
the thing up.

The hoist has safety locks every 2 inches or so, so whatever is used to lift
it is only getting it to height and not holding the weight for extended
periods. I'm not fussed about which way I go with it but what I'd like to do
is make it 240v powered so it can be used anywhere in the garages or back
yard and not have to rely on batteries or keeping them charged.

If anyone has any idea's feel free to throw them up, as I'm open to anything
at all, and would be grateful for any suggestions.

--
Regards,
Noddy.

[Ext User(Blue Heeler)]

Noddy wrote:

>
> If anyone has any idea's feel free to throw them up, as I'm open to
> anything at all, and would be grateful for any suggestions.

Only that if you ever see another one - I want it.

--

[Ext User(atec77@hotmail.com)]

On Dec 1, 10:48 am, "Noddy" <m...@home.com> wrote:
> I've been trying to find a solution to a workshop tool problem for the last
> few days, and can't get any straight answers so I thought I'd ask in here.
>
> Due to roof height constraints, I can't have a full size vehicle hoist at
> home, so I've got one of these:
>
> http://i31.photobucket.com/albums/c389/dasgib/100_3162.jpghttp://i31.photobucket.com/albums/c389/dasgib/100_3161.jpg
>
> It's a great device that I picked up for a few hundred bucks at an auction
> around 6 months ago, and as far as I can tell it was made by MasterBench of
> Queensland who make panel beating repair equipment like racks and the like.
> Suits me perfectly as it lifts a vehicle high enough to comfortably work on
> it without worrying about roof clearance, and it has the added bonus of
> being mobile so a vehicle can be picked up and shoved into a corner or out
> of the way.
>
> The only downside is that it's manually operated with a standard 10 ton
> porta power pump, and getting a vehicle the likes of the Fairlane in the
> picture up in the air is a real gut buster of an effort that takes quite a
> while to do.
>
> It's currently fitted with a Ritch porta-power type single acting hydraulic
> ram that looks like it wasn't part of it's original equipment, but that's
> what came with it when I bought it. The ram has a 38mm shaft and 500mm
> travel, and with a heavy car like the Fairlane the 10 ton pump is a real
> effort to get all the way up, and doesn't hold quite enough hydraulic fluid
> to get it right to the top.
>
> My ultimate aim is to power the thing in some way, either by hydraulic means
> or something else, and I was considering something like this:
>
> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=46169
>
> I can get one of these things locally for about 500 bucks, and they're
> commonly used on a variety of cheap import 2 post and scissor lift type
> hoists, but the problem is I'm unsure if the 2000psi they make is enough to
> work with what I have, and I can't get any details about flow rates.
>
> The second, and cheapest, option was to go with a pneumatic/hydraulic foot
> valve, as I have plenty of air, and most of those seem to be able to put out
> 10,000psi which is the same as what the hand pump is apparently capable of.
> The downside with them is that their exhausts are noisy.
>
> Thirdly, I thought about ditching the hydraulics altogether and extending
> the top of the frame to incorporate an electric winch and use that to pull
> the thing up.
>
> The hoist has safety locks every 2 inches or so, so whatever is used to lift
> it is only getting it to height and not holding the weight for extended
> periods. I'm not fussed about which way I go with it but what I'd like to do
> is make it 240v powered so it can be used anywhere in the garages or back
> yard and not have to rely on batteries or keeping them charged.
>
> If anyone has any idea's feel free to throw them up, as I'm open to anything
> at all, and would be grateful for any suggestions.
>
> --
> Regards,
> Noddy.

http://www.specialisedforce.com.au/products/daia/
2500 psi 6 lpm is about right .
or a bobcat main pump and 5 hp motor

[Ext User(Noddy)]

"Blue Heeler" <woof@bark.net> wrote in message
news:5rbptsF13c97pU1@mid.individual.net...

> Only that if you ever see another one - I want it.

Yeah, they're a bloody fantastic idea, and it was a fluke that I managed to
score the thing.

It was the only automotive thing at an auction I went to that was full of
used machine tools like large lathes and 300 tonne presses, and nobody else
there was interested in it. I ended up getting it for 400 bucks which I
thought was an absolute steal, and it's proved to be very handy indeed.

I've seen other similar portable type lifts, but they're generally a lot
bigger and bulkier, and don't leave as much room under the car for access.
The beauty of this thing is that you can lift a car up about 1200mm or so
which is plenty high enough to do anything you like under it while sitting
comfortably on one of those little mechanic's type stools, and still have a
heap of room to do a trans swap without the hoist arms being in the way.

If I ever come across another one in my travels, I'll let you know.

--
Regards,
Noddy.

[Ext User(Noddy)]

<atec77@hotmail.com> wrote in message
news:f178e2d5-b266-4407-b65c-a454861a6252@b40g2000prf.googlegroups.com...

> http://www.specialisedforce.com.au/products/daia/
> 2500 psi 6 lpm is about right .
> or a bobcat main pump and 5 hp motor

Thanks for that.

I spent a while on the phone to this great old bloke in QLD last night who
flogs cheap hoists on ebay after I asked him if he could supply me with a
stand alone pump & motor unit, and he was pretty helpful. He was more than
happy to flog me one if I wanted it, but seemed to think with a ram of the
capacity I have lifting the weight it does, the pump would need to be quite
slow in the order of maybe 1cc per revolution or thereabouts otherwise the
motor required to drive it would need to be huge, and certainly bigger than
the 3hp single phase unit he has.

That would rule out 240v, and while I have 3 phase power for my other
machinery I'm trying to avoid using it if at all possible.

--
Regards,
Noddy.

[Ext User(Bernd Felsche)]

"Noddy" <me@home.com> wrote:

>I've been trying to find a solution to a workshop tool problem for the last
>few days, and can't get any straight answers so I thought I'd ask in here.

>Due to roof height constraints, I can't have a full size vehicle hoist at
>home, so I've got one of these:

>http://i31.photobucket.com/albums/c389/dasgib/100_3162.jpg
>http://i31.photobucket.com/albums/c389/dasgib/100_3161.jpg

Nice. It's the sort of thing I needed yesterday.

>It's a great device that I picked up for a few hundred bucks at an
>auction around 6 months ago, and as far as I can tell it was made
>by MasterBench of Queensland who make panel beating repair
>equipment like racks and the like. Suits me perfectly as it lifts
>a vehicle high enough to comfortably work on it without worrying
>about roof clearance, and it has the added bonus of being mobile so
>a vehicle can be picked up and shoved into a corner or out of the
>way.

>The only downside is that it's manually operated with a standard 10
>ton porta power pump, and getting a vehicle the likes of the
>Fairlane in the picture up in the air is a real gut buster of an
>effort that takes quite a while to do.

Enerpac used to be the gods of high-pressure hydraulics. ISTR that
they had some mains/petrol/air-powered pumps that's plug into the
same cylinders/tools that were hand-powered. Never cheap.

>It's currently fitted with a Ritch porta-power type single acting
>hydraulic ram that looks like it wasn't part of it's original
>equipment, but that's what came with it when I bought it. The ram
>has a 38mm shaft and 500mm travel, and with a heavy car like the
>Fairlane the 10 ton pump is a real effort to get all the way up,
>and doesn't hold quite enough hydraulic fluid to get it right to
>the top.

See if you can figure out the bore of the cylinder and the nominal
working pressure. Measure the pressure. Calculate the thrust from
the pressure.

An agricultural-style cylinder (or two) could well be adapted and a
less-costly pump used. Typical operating pressure is 21 MPa (~3000
psi). Allow for double the pressure required to raise a normal
vehicle; whatever happens to be normal in your area.

Agricultural hydraulics have safety factors of between 3 and 5. But
stay within the ratings!

For sizing the pump, consider the speed at which you want to raise
the vehicle. With the nominal vehicle _weight_, you then have the
required pump motor power -- which is (rule of thumb) about 3 times
that of the perfectly-efficient lifter.

The lifting rate, with the cylinder sizes, also tells you how many
litres/minute your pump has to deliver. Note that the unit will
raise lighter loads quite a bit more quickly ... because the cheaper
hydraulic pumps are gear pumps. The pump's characteristic delivery
curve should be consulted if that's important.

Except for some hoses, (a directional control valve on the pump),
safety valves and fittings, that's all there is to the hydraulic
design.

>http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=46169

>I can get one of these things locally for about 500 bucks, and
>they're commonly used on a variety of cheap import 2 post and
>scissor lift type hoists, but the problem is I'm unsure if the
>2000psi they make is enough to work with what I have, and I can't
>get any details about flow rates.

Borrow a pressure gauge if you don't have one.

>Thirdly, I thought about ditching the hydraulics altogether and
>extending the top of the frame to incorporate an electric winch and
>use that to pull the thing up.

The impact load of "dropping" a car 5 cm isn't to be sneezed at. A
2-tonne car ... It might break your hoist.

BTW: There are similar hoists with direct (geared) electric drive of
a screw to lift the car.
--
/"\ Bernd Felsche - Innovative Reckoning, Perth, Western Australia
\ / ASCII ribbon campaign | The object of life is not to be on the side of
X against HTML mail | the majority but to escape finding oneself in
/ \ and postings | the ranks of the insane. -- Marcus Aurelius

[Ext User(John_H)]

Noddy wrote:

>I've been trying to find a solution to a workshop tool problem for the last
>few days, and can't get any straight answers so I thought I'd ask in here.
>
>Due to roof height constraints, I can't have a full size vehicle hoist at
>home, so I've got one of these:
>
>http://i31.photobucket.com/albums/c389/dasgib/100_3162.jpg
>http://i31.photobucket.com/albums/c389/dasgib/100_3161.jpg
>
>It's a great device that I picked up for a few hundred bucks at an auction
>around 6 months ago, and as far as I can tell it was made by MasterBench of
>Queensland who make panel beating repair equipment like racks and the like.
>Suits me perfectly as it lifts a vehicle high enough to comfortably work on
>it without worrying about roof clearance, and it has the added bonus of
>being mobile so a vehicle can be picked up and shoved into a corner or out
>of the way.
>
>The only downside is that it's manually operated with a standard 10 ton
>porta power pump, and getting a vehicle the likes of the Fairlane in the
>picture up in the air is a real gut buster of an effort that takes quite a
>while to do.
>
>It's currently fitted with a Ritch porta-power type single acting hydraulic
>ram that looks like it wasn't part of it's original equipment, but that's
>what came with it when I bought it. The ram has a 38mm shaft and 500mm
>travel, and with a heavy car like the Fairlane the 10 ton pump is a real
>effort to get all the way up, and doesn't hold quite enough hydraulic fluid
>to get it right to the top.
>
>My ultimate aim is to power the thing in some way, either by hydraulic means
>or something else, and I was considering something like this:
>
>http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=46169
>
>I can get one of these things locally for about 500 bucks, and they're
>commonly used on a variety of cheap import 2 post and scissor lift type
>hoists, but the problem is I'm unsure if the 2000psi they make is enough to
>work with what I have, and I can't get any details about flow rates.

If I'm seeing it correctly the ram is direct acting, so a 38mm (1½")
ram will lift close to 3180 lb (1445kg) all up at 1800 psi (pi r^2 x
1800). (1800 psi is the stated working pressure, which is what you
should design to, not the relief valve pressure -- or anything
between.)

Is this enough?

If not you'll need either a larger ram or a higher pressure pump. A
lot of modern industrial hydraulics run at around 2500 psi, so there's
probably something available, though a larger ram might be the
cheapest option.

In the absence of flow rates, you can probably take a stab at the
likely lift rate on the basis that 1 hp will lift 33,000 lb in 1
minute (use 50% overall efficiency as a rough guide... ie 16,500 lb in
1 minute). This assumes that the motor is a reasonable match to the
pump at the working pressure stated.

The displacement of the ram is well within the capacity of the pump
reservoir (according to my mental arithmetic).

--
John H

[Ext User(John_H)]

John_H wrote:
>
>If I'm seeing it correctly the ram is direct acting, so a 38mm (1½")
>ram will lift close to 3180 lb (1445kg) all up at 1800 psi (pi r^2 x
>1800).

Note: I've assumed the shaft size to be the ram diameter, which may
not be correct. In which case you'll need to determine the actual
diameter and re-calculate accordingly.

--
John H

[Ext User(Bernd Felsche)]

John_H <john4721@inbox.com> wrote:
>Noddy wrote:

>>Due to roof height constraints, I can't have a full size vehicle
>>hoist at home, so I've got one of these:

>>http://i31.photobucket.com/albums/c389/dasgib/100_3162.jpg
>>http://i31.photobucket.com/albums/c389/dasgib/100_3161.jpg

>>what came with it when I bought it. The ram has a 38mm shaft and 500mm
>>travel, and with a heavy car like the Fairlane the 10 ton pump is a real

>If I'm seeing it correctly the ram is direct acting, so a 38mm (1½")

38mm shaft... so that's the rod diameter, Not the cylinder bore.
That's probbaly 50mm or more.

It's also not direct-acting, or it could only lift half a metre.
There's a chain/pulley visible in one of the pictures so that's used
to double the stroke of the cylinder, effectively doubling the
required thrust of the ram.

See the 100_3161.jpg for "details". The ram pushes against the chain
with a sprocket, one end of the chain is anchored to the base and
the other to the lifting arm.

>ram will lift close to 3180 lb (1445kg) all up at 1800 psi (pi r^2 x
>1800). (1800 psi is the stated working pressure, which is what you
>should design to, not the relief valve pressure -- or anything
>between.)

>Is this enough?

Assuming a "slim" cylinder of 50mm bore (looks about right from the
photo, but Noddy can confirm it by measuring the size of the nut at
the top of the cylinder):

Pressure = 2 * Load / Area

2 * (1445 kg * 9.81 m/(sec^2)) / ((50 mm)^2*pi/4)

means something like 14MPa required (just over 2000 psi).

A "standard" argicultural hydraulic setup with 21MPa (aka 210 Bar/
3000 psi) maximum (nominal) working pressure could then lift about
2.1 tonnes.

The SWL rating isn't readable in either picture.
--
/"\ Bernd Felsche - Innovative Reckoning, Perth, Western Australia
\ / ASCII ribbon campaign | The object of life is not to be on the side of
X against HTML mail | the majority but to escape finding oneself in
/ \ and postings | the ranks of the insane. -- Marcus Aurelius

[Ext User(John_H)]

Bernd Felsche wrote:
>John_H <john4721@inbox.com> wrote:
>
>>If I'm seeing it correctly the ram is direct acting, so a 38mm (1½")
>
>38mm shaft... so that's the rod diameter, Not the cylinder bore.
>That's probbaly 50mm or more.

My first thought was a Porta Power type ram, where the rod is the
piston, rather than an agricultural pattern (which I subsequently
corrected). Looking at it again I'm not convinced I wasn't right the
first time... the barrel doesn't look significantly larger than the
rod. Noddy will need to confirm.

>
>It's also not direct-acting, or it could only lift half a metre.
>There's a chain/pulley visible in one of the pictures so that's used
>to double the stroke of the cylinder, effectively doubling the
>required thrust of the ram.
>
>See the 100_3161.jpg for "details". The ram pushes against the chain
>with a sprocket, one end of the chain is anchored to the base and
>the other to the lifting arm.

Not obvious to me as the ram looks to be fully extended and the total
lift looks to be about 500 mm (certainly less than a metre). Noddy
probably needs to to confirm which is correct.

>
>>ram will lift close to 3180 lb (1445kg) all up at 1800 psi (pi r^2 x
>>1800). (1800 psi is the stated working pressure, which is what you
>>should design to, not the relief valve pressure -- or anything
>>between.)

--
John H

[Ext User(Noddy)]

"Bernd Felsche" <bernie@innovative.iinet.net.au> wrote in message
news:345725xs8f.ln2@innovative.iinet.net.au...

> Assuming a "slim" cylinder of 50mm bore (looks about right from the
> photo, but Noddy can confirm it by measuring the size of the nut at
> the top of the cylinder):
>
> Pressure = 2 * Load / Area
>
> 2 * (1445 kg * 9.81 m/(sec^2)) / ((50 mm)^2*pi/4)
>
> means something like 14MPa required (just over 2000 psi).
>
> A "standard" argicultural hydraulic setup with 21MPa (aka 210 Bar/
> 3000 psi) maximum (nominal) working pressure could then lift about
> 2.1 tonnes.
>
> The SWL rating isn't readable in either picture.

Thanks John & Bernd. Very helpful stuff indeed.

Further to the hoist, I've had my ute on it for the last few days but
finished what I was doing so I dragged it outside and took some more photo's
of the lift arrangement:

http://i31.photobucket.com/albums/c389/dasgib/100_3366.jpg
http://i31.photobucket.com/albums/c389/dasgib/100_3371.jpg
http://i31.photobucket.com/albums/c389/dasgib/100_3368.jpg
http://i31.photobucket.com/albums/c389/dasgib/100_3373.jpg

The ram body is 57mm in dia, shaft 38mm and the end nut is 47mm. Full ram
travel as fitted to the hoist is 525mm, and the ram body measures 635mm in
length. The overall travel of the hoist is 1000mm.

I haven't modified this hoist in any way from when I purchased it a few
months ago, other than fit a new seal in the ram which was torn. The hoist
itself doesn't look like it's had any modifications other than the hydraulic
equipment it's currently fitted with looking like it doesn't belong to it.
As can be seen in the photos, the ram is a snug fit in the machine, and a
larger diameter ram wouldn't fit without any clearance work being done.

As to what the machine's safe working limit actually is I have no idea.

I've searched everywhere on the thing for it being stamped into it
somewhere, but can't find it which, given that it doesn't look to be very
old I find a little odd. There's no signs of it ever having had a data plate
attached to it anywhere, and the only markings on it at all are the remains
of an adhesive label mentioning the name "MasterBench" (which I don't know
if they made it or sold it), and it's colours of orange and blue are
certainly the same as their range of panel beating repair equipment.

The Fairlane shown in the earlier pictures is the heaviest car I've lifted
with it to date, and at around 1600kg or so that'd be all I'd ever want to
do with it. It didn't seem the slightest bit bothered by it, and the only
drama was the effort required to get the thing into the air. It's of fairly
solid construction, and I would guestimate that it's maximum safe limit
would be 2 tonnes.

--
Regards,
Noddy.

[Ext User(John_H)]

Noddy wrote:
>
>http://i31.photobucket.com/albums/c389/dasgib/100_3366.jpg
>http://i31.photobucket.com/albums/c389/dasgib/100_3371.jpg
>http://i31.photobucket.com/albums/c389/dasgib/100_3368.jpg
>http://i31.photobucket.com/albums/c389/dasgib/100_3373.jpg
>
>The ram body is 57mm in dia, shaft 38mm and the end nut is 47mm. Full ram
>travel as fitted to the hoist is 525mm, and the ram body measures 635mm in
>length. The overall travel of the hoist is 1000mm.

Clearly the lift mechanism is as Bernd saw it, except the load factor
will be 1000/525 (1.9) instead of 2.

Presumably 57mm is the barrel OD?... What we still need to know is
the ID (piston diameter), which may or may not be the rod (shaft)
diameter.

If it's like a normal Porta Power ram (as I'm guessing) the nut will
only retain a seal, and not a larger piston. Wall diameter would then
be around 9.5 mm -- (57 - 38)/2.

--
John H

[Ext User(veritas)]

Noddy wrote:
> If anyone has any idea's feel free to throw them up, as I'm open to
anything
> at all, and would be grateful for any suggestions.

I'd tend toward a screw jack (if I could find one the right size) and
use my rattle-gun to drive it (like the 60's BMC side-jack). The
pneumatic gun could be speed adjusted by adjusting the torque/pressure
setting....

Cheap!

Just a thought.

--
Posted via a free Usenet account from http://www.teranews.com

[Ext User(Diesel Damo)]

On Dec 1, 4:58 pm, "Noddy" <m...@home.com> wrote:
> http://i31.photobucket.com/albums/c389/dasgib/100_3366.jpg
> http://i31.photobucket.com/albums/c389/dasgib/100_3373.jpg

Sorry I can't be of any help, but I must say I like your trailer set
up (in the background).

I wish I could do something like that with mine but I sometimes carry
some awkward and long shit so the front and rear needs to be openable.

[Ext User(John McKenzie)]

Noddy wrote:
>
> As to what the machine's safe working limit actually is I have no idea.

Get your missus to post to aus.cars if it's discovered.

> The Fairlane shown in the earlier pictures is the heaviest car I've lifted
> with it to date, and at around 1600kg or so that'd be all I'd ever want to
> do with it. It didn't seem the slightest bit bothered by it, and the only
> drama was the effort required to get the thing into the air. It's of fairly
> solid construction, and I would guestimate that it's maximum safe limit
> would be 2 tonnes.

How about putting a longer lever onto the pump?

One thing I genuinely regret never having is a pit. I used to think they
were pox, but a friend of the family has had one, and after long enough
with jacks and stands, I see the benefit. Unfortunately he is only
around 5'9 - and made the pit accordingly, so I can't murder the whole
family and move in there or anything!



--
John McKenzie

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[Ext User(Noddy)]

"John_H" <john4721@inbox.com> wrote in message
news:rcu1l3l2v28mphdeu61jmrp0eepe4r68ge@4ax.com...

> Clearly the lift mechanism is as Bernd saw it, except the load factor
> will be 1000/525 (1.9) instead of 2.
>
> Presumably 57mm is the barrel OD?... What we still need to know is
> the ID (piston diameter), which may or may not be the rod (shaft)
> diameter.

57mm is indeed the barrel OD.

> If it's like a normal Porta Power ram (as I'm guessing) the nut will
> only retain a seal, and not a larger piston. Wall diameter would then
> be around 9.5 mm -- (57 - 38)/2.

That pretty much describes it exactly.

Just a basic single seal at the bottom of the shaft and no piston.

--
Regards,
Noddy.

[Ext User(Noddy)]

"John McKenzie" <jmac_melbourne@bigpond.com> wrote in message
news:47510FAD.412@bigpond.com...

> Get your missus to post to aus.cars if it's discovered.

I'll pass that on :)

> How about putting a longer lever onto the pump?

That's what I'm doing now.

As I mentioned, I haven't done anything to it since I bought it other than
make a seal for the ram to replace the stuffed one that was in it. It's just
been hanging around here waiting for me to modify to suit myself, but in
using it a few times I've discovered it doesn't need much other than just
being a bit more user friendly in terms of raising the thing.

Fitting a longer handle to the pump makes it easier, but the ram only moves
5mm with each storke, and it can get a bit tiresome going all the way up.

> One thing I genuinely regret never having is a pit. I used to think they
> were pox, but a friend of the family has had one, and after long enough
> with jacks and stands, I see the benefit. Unfortunately he is only
> around 5'9 - and made the pit accordingly, so I can't murder the whole
> family and move in there or anything!

Lol :)

--
Regards,
Noddy.

[Ext User(Noddy)]

"Diesel Damo" <Diesel_4WD@yahoo.com.au> wrote in message
news:aa63c7ae-7e01-4f92-8b69-

> Sorry I can't be of any help, but I must say I like your trailer set
> up (in the background).

Oh, thanks.

It's a little 6x4 tipper with an electric winch tipping action that I made
myself a few years ago. The cage comes off in 15 minutes, but as I seem to
have shitloads of crap that needs to be offed to the tip on a regular basis
it generally stays on there permanently.

--
Regards,
Noddy.

[Ext User(Kev)]

Noddy wrote:


So basically you bought a hand operated Forklift

maybe have a look at some forklift parts suppliers and see what they
have available for the electric/hydraulic types

Kev

[Ext User(Noddy)]

"veritas" <veritas@coldmail.com> wrote in message
news:4750f8da$0$25994$88260bb3@free.teranews.com.. .
> Noddy wrote:
> > If anyone has any idea's feel free to throw them up, as I'm open to
> anything
>> at all, and would be grateful for any suggestions.
>
> I'd tend toward a screw jack (if I could find one the right size) and use
> my rattle-gun to drive it (like the 60's BMC side-jack). The pneumatic
> gun could be speed adjusted by adjusting the torque/pressure setting....
>
> Cheap!
>
> Just a thought.

I did think about a mechanical drive like that for a while, but the thing
would need a fair amount of modification to make it work, and I'm mainly
looking for a simple and cheap option (stupid I know, but I can be
optimistic at times despite appearances :)

I don't use the thing every day, so chucking a lot of money at it is a bit
senseless, as I plan to move to a rural property in a few years and have a
garage large enough to have a couple of full size hoists I'll end up selling
this thing before too long rather than take it with me.

What I'm leaning towards at the moment is a pneumatic foot pump, and I can
get a Enerpac Turbo series that puts out 700 Bar with a 2 litre oil capacity
for around 400 bucks. As Bernd said in a previous post, Enerpac is highly
rated stuff, but it's normally dearer than gold and that price isn't bad at
all. The advantage would be that when fitted with quick connect type
fittings I could use it on most of my other hydraulic equipment as well.

--
Regards,
Noddy.