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Gas Shocks: Try to Find One You Want

01/23/2021 7:23 AM

Say you need a gas shock / spring /dampener etc for your car / truck liftgate whatever.

It's pretty easy to go just about anywhere and pick one up or order one delivered to you for your exact application. The system is definitely in place to replace worn out shocks with the correct ones from a large variety of manufactures.

The connection ends, the lift force, the stroke length, the extended length may or may not be listed right on the front of the package or at all, but it doesn't matter as this has all been figured out for you.

All great! $20/30 bucks and 20/30 minutes and the worn gas shock is a memory.

..that's not the rub.

The rub is when you wish to use gas springs in a project and you head down to the store (in my case autozone) to look at the hundreds of available gas shocks you are not able to shop by force/strength/length/stroke etc.

I've got some D96253 Mighty Lift gas springs that I would want to be just a tad longer on the stroke length etc, but for some unknown reason they can list the pertinent information on the web about these characteristics deep in the product info, but they can't list this information as a usable cross reference for DIY projects!?, nor can anyone else who retails them!? (although everone touts them as good for cars projects, but usefule for many others!) wth!

McMaster asside.. How can anybody be a engineer young or old when you can't run down to the store that sells gas springs and choose the right spring and connector for your job!?

..it's too early for this, however, it's been bugging me.. more clarity later.

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#1

Re: Gas Shocks - Try to find one you want.

01/23/2021 7:28 AM

Yes, I could call the manufacture for the mighty lift directly, but if you'll take a look at the website, you can guess how that would go.

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#2

Re: Gas Shocks - Try to Find One You Want.

01/23/2021 9:42 AM

Reminds me where, I had a mechanical engineer with a BSME from Michigan Tech.

we were doing kinematic and motion curves with cylinders for automatic opening/closing process doors. We hat to calculate the customized cylinders. He always phuqt it up. Until one day, I watch him ‘calculate’ it. He would measure the curve path for the length of the stroke, instead of the straight required path of point ‘a’ (cylinder fully retract) to point ‘b’ fully extended.

Teaching/mentoring him was difficult.

so... back on topic, his problem was also not picking up that is not always cut and dry by just extending the stroke... because you also have to increase the length of the cylinder,... which some what doubles the length of the cylinders both extended, and retracted lengths.

it’s actually quite easy,... I always made custom cylinders.
im sure it would be for gas shocks... mechanical shocks... a little more involved,...

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#7
In reply to #2

Re: Gas Shocks - Try to Find One You Want.

01/24/2021 5:02 PM

I know the size i need. But measuring the length and squeezing cylinders manually against the floor to measure force in order to select from stock is the problem.

Have to take what you see.

I used them to open a pair of basement doors about 85 % and I know i can go past 90 with another half inch of extension.

Anyway. It's not rocket science and it's treated like voodoo science.

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#3

Re: Gas Shocks - Try to Find One You Want.

01/23/2021 11:47 AM

You need to talk to an engineer at the company that makes the shocks and decide which model number will suit your needs, people at the outlet are just stock and salespeople, if you are not inquiring about a particular stock production car model, they have no reference number to look up...

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#5
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Re: Gas Shocks - Try to Find One You Want.

01/24/2021 3:38 PM
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#6
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Re: Gas Shocks - Try to Find One You Want.

01/24/2021 4:23 PM

Don't think I haven't visited this and many other sites.

The point is, what should be...

Remember buttons with silly messages?

A popular one we sold read -

"WHY DO YOU INSIST ON TURNING A SIMPLE TRANSACTION INTO A BIZARRE RITUAL!!!"

... I shouldn't have to have a back and forth with the head office and engineering department to buy a simple inexpensive piston.

What a complete waste of time and way to slow innovation.

I feel your pain BruceFlorida!

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#10
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Re: Gas Shocks - Try to Find One You Want.

01/24/2021 9:58 PM

When you hold your phone in your hand, all this information is at your fingertips...

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#11
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Re: Gas Shocks - Try to Find One You Want.

01/24/2021 10:30 PM
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#13
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Re: Gas Shocks - Try to Find One You Want.

01/26/2021 7:05 AM

What?

I thought I responded to this yesterday?

Great. Amazing find SE!

Thanksgiving to you.

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#4

Re: Gas Shocks - Try to Find One You Want.

01/24/2021 5:02 AM

I also feel your pain. The gas shocks for the lid of a roll-around Harbor Freight toolbox have a very short life span and so far Harbor Freight doesn't seem to have custom orders in their business model. Our repair parts orders at work have been on eternal back order. I assume I can pick something that will work but the times I took a few minutes to look I was disappointed by the data that I found.

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#8

Re: Gas Shocks - Try to Find One You Want.

01/24/2021 5:57 PM

When first I read your missive I thought gas shocks for 20$, I'll have a box of those, but then I realised what you call gas shocks are what we call gas struts.

To me gas shocks are the gas pressurised oil filled shock absorbers used on vehicles, just a case of trunk verses boot terminology. Trunks are on elephants and boot is on the other foot, right?

As for car part shops, unless it is only a few years old or produced in thousands no one can help and if it is obsolete, even finding xref data is a trial let alone finding a replacement. As you say pressing a strut onto the floor to measure the recoil force is frowned upon by staff even more so if the strut enters the ceiling or knocks a light fitting down.

I do my research online and order online, forget the car box stores or hardware suppliers where everything can be ordered for a fee and the order will be placed when we have enough orders for xyz supplier. Maybe you still have manufacturers in your country but they are few and far between this side of the pond.

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#9
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Re: Gas Shocks - Try to Find One You Want.

01/24/2021 8:41 PM

Struts. Yes. Nitrogen filled boot lift. Yes

Sorry it my term was incorrect.

Just speaking of the simple strut.

So simple to find, so simple to use.

..but specs? Charts for cross reference?

...insert bill the cat here

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#12

Re: Gas Shocks: Try to Find One You Want

01/25/2021 11:42 AM

JWF Technologies can sort you out.

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#14

Re: Gas Shocks: Try to Find One You Want

01/26/2021 11:40 PM

All the gas springs on the cargo doors of my RV are from a brand called SUSPA.

https://www.suspa.com/us/products/gas-springs

If they don't have it, you don't need it. A dizzying assortment . . .

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