Pneumatic (compressed air) jack - Nissan-Navara.net
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post #1 of 27 (permalink) Old 11-04-19, 07:56 PM Thread Starter
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Pneumatic (compressed air) jack

Has anybody got or used a pneumatic jack? I had some tyres change on my drive a few weeks ago and the guy had one. Not cheap but it looked pretty useful.

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post #2 of 27 (permalink) Old 12-04-19, 11:05 PM
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So you also need a compressor?
I think you are sneaking boys' toys past your wife...
It won't end until you have that McLaren Senna on the drive, that oh so needs a pneumatic jack.....

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post #3 of 27 (permalink) Old 13-04-19, 12:13 AM
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Not got one but yea ive seen them and they look cool af
But they need a air tank or at least i high quality compressor

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post #4 of 27 (permalink) Old 13-04-19, 10:20 PM
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Not sure what advantage this offers over a hydraulic jack for the home user...

Air jacks are more commonly used in off-road recovery scenarios where either the ground is too soft for a conventional jack (sand, mud, snow) or you need to lift the entire vehicle out of a bog so you can shore up the wheels. These jacks are exhaust-powered. I have this one:

https://bushranger.com.au/product/exhaust-jack/

I sure as hell wouldnít use it in my driveway!
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post #5 of 27 (permalink) Old 14-04-19, 02:50 AM
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One advantage of a Bottle Jack or this air bag type of jack is that they lift straight up.

Trolley jacks tend to pull the vehicle, or slip as the lift arm comes to the end of it's reach. Only an issue if using a trolley jack on it upper reach.

Those exhaust jacks are handy when out on the trail I'm sure. I'm certain I've seen them before.

Na, don't do that yourself, best take it to the garage.
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post #6 of 27 (permalink) Old 14-04-19, 08:23 AM
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Quote:
Originally Posted by mrw27 View Post
One advantage of a Bottle Jack or this air bag type of jack is that they lift straight up.



Trolley jacks tend to pull the vehicle, or slip as the lift arm comes to the end of it's reach. Only an issue if using a trolley jack on it upper reach.



Those exhaust jacks are handy when out on the trail I'm sure. I'm certain I've seen them before.


Good point. Still, unless you have a handy supply of compressed air, using (compressible) air instead of (incompressible) hydraulic power doesnít seem like thereís a point. A good hydraulic bottle jack is only a few bucks.
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post #7 of 27 (permalink) Old 14-04-19, 10:26 AM Thread Starter
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I've got a ready supply of compressed air, it just seemed a quick way of jacking up the vehicle. Also quite a wide base which will prevent damage to my nicely tarmaced driveway.
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post #8 of 27 (permalink) Old 14-04-19, 10:45 AM
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Quote:
Originally Posted by landmannnn View Post
I've got a ready supply of compressed air, it just seemed a quick way of jacking up the vehicle. Also quite a wide base which will prevent damage to my nicely tarmaced driveway.

Ooh, fancy driveway!

How long does it take to lift a wheel, and how much control do you get over the speed of lift/drop?
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post #9 of 27 (permalink) Old 14-04-19, 01:43 PM
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Yeah, they just seem stable in both control and footprint.

I actually had a look online at these air bag jacks last night after reading this, and found the main factor when looking to buy one is the height limit. The cheaper ones tend to top-out at about 300mm, whereas the ones closer to £1k and up, give you about 500mm. Also, they will only slide under motors higher than about 140mm, which is fine for our trucks, but no good for most cars.

I read online of one model reaching it's limit in 25 seconds. Maybe some are faster, but that seems nice, steady and controlled.

Although, I think you could be right, JDO, I think the good old bottle jack still wins this category for a few reasons right now!

Na, don't do that yourself, best take it to the garage.
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post #10 of 27 (permalink) Old 15-04-19, 03:53 AM
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Honestly even after my suspension upgrade I still mainly use the Nissan scissor jack. It does the job and itís (relatively) light. I carry the exhaust jack when off-roading, and Iím contemplating a high-lift jack to further complement my recovery kit.

The trailer has a bottle jack in it but Iíve never looked to see if it had the reach to lift the Navara.
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