Shock charging
Shock charging
I'm gonna rebuild a shock and was wondering where do you guys who have done it get it charged with nitrogen, I don't think any of the shops around here do it?
Will argon gas be ok or does it have to be nitrogen?
Will argon gas be ok or does it have to be nitrogen?
If your local suspension guy is worth a shit, he'll do it for you for <$20.
No longer have a CR500.
07 Yamaha YZ250, 17 Husqvarna 701 Enduro
Get on with riding or get on with dying.
https://www.youtube.com/mojoscojo
07 Yamaha YZ250, 17 Husqvarna 701 Enduro
Get on with riding or get on with dying.
https://www.youtube.com/mojoscojo
Here's the page.
This has gotta be a typo, I mean all my other manuals call for around 142psi.
What ya think?
Also, I'm gonna swipe a canister from an XR200 for the rebound adjustment. Any thoughts on that?
Edit....It occurred to me that I could possibly get it recharged at a welding supply shop, gonna check on that monday.
This has gotta be a typo, I mean all my other manuals call for around 142psi.
What ya think?
Also, I'm gonna swipe a canister from an XR200 for the rebound adjustment. Any thoughts on that?
Edit....It occurred to me that I could possibly get it recharged at a welding supply shop, gonna check on that monday.
Argon is more dense
0.58 (Nitrogen) : 1 (Argon), I understand that it is only a reservoir about the size of a pop can, but racers are always saying ounces lead to pounds...
Also took it a bit further with the ideal gas law PV=nRT, the volume on what you are filling and the pressure you are filling that volume to are ideally the same i.e PV(Nitrogen) = PV (Argon).
Working the rest out gives a ratio of 0.31(Nitrogen) : 1(Argon). So when riding every 1 degree rise in temp of that rear shock filled with argon would be a 0.31 degree rise of that same shock filled with nitrogen in theory. Nitrogen has better thermal properties vs. Argon
Anyways I will send the bill to you in the mail.... haha
0.58 (Nitrogen) : 1 (Argon), I understand that it is only a reservoir about the size of a pop can, but racers are always saying ounces lead to pounds...
Also took it a bit further with the ideal gas law PV=nRT, the volume on what you are filling and the pressure you are filling that volume to are ideally the same i.e PV(Nitrogen) = PV (Argon).
Working the rest out gives a ratio of 0.31(Nitrogen) : 1(Argon). So when riding every 1 degree rise in temp of that rear shock filled with argon would be a 0.31 degree rise of that same shock filled with nitrogen in theory. Nitrogen has better thermal properties vs. Argon
Anyways I will send the bill to you in the mail.... haha
I called Race Tech and spoke to louis in tech.
Yes, 284 psi. Apparently '82 '83 had high pressure shocks.
No, can't use Argon gas. Didn't really get a good explanation.
No matter, my riding buddy Sam is gonna get a nitrogen cylinder since he already has all the gauges and stuff.
Nobody around here is doing it so he figured between all the riding buddies alone he could get it done and offer a service to everyone else.
Yes, 284 psi. Apparently '82 '83 had high pressure shocks.
No, can't use Argon gas. Didn't really get a good explanation.
No matter, my riding buddy Sam is gonna get a nitrogen cylinder since he already has all the gauges and stuff.
Nobody around here is doing it so he figured between all the riding buddies alone he could get it done and offer a service to everyone else.
Tharrell wrote: No, can't use Argon gas. Didn't really get a good explanation.
fmikhele wrote:Argon is more dense
0.58 (Nitrogen) : 1 (Argon), I understand that it is only a reservoir about the size of a pop can, but racers are always saying ounces lead to pounds...
Also took it a bit further with the ideal gas law PV=nRT, the volume on what you are filling and the pressure you are filling that volume to are ideally the same i.e PV(Nitrogen) = PV (Argon).
Working the rest out gives a ratio of 0.31(Nitrogen) : 1(Argon). So when riding every 1 degree rise in temp of that rear shock filled with argon would be a 0.31 degree rise of that same shock filled with nitrogen in theory. Nitrogen has better thermal properties vs. Argon
Yeah, I saw your post.fmikhele wrote:Tharrell wrote: No, can't use Argon gas. Didn't really get a good explanation.
fmikhele wrote:Argon is more dense
0.58 (Nitrogen) : 1 (Argon), I understand that it is only a reservoir about the size of a pop can, but racers are always saying ounces lead to pounds...
Also took it a bit further with the ideal gas law PV=nRT, the volume on what you are filling and the pressure you are filling that volume to are ideally the same i.e PV(Nitrogen) = PV (Argon).
Working the rest out gives a ratio of 0.31(Nitrogen) : 1(Argon). So when riding every 1 degree rise in temp of that rear shock filled with argon would be a 0.31 degree rise of that same shock filled with nitrogen in theory. Nitrogen has better thermal properties vs. Argon
I was just posting what I got or didn't get from Race Tech.
- redrocket190
- Posts: 1229
- Joined: September 17th, 2007, 9:07 pm
- Location: San Clemente, CA
You've got an air cooled big bore.redrocket190 wrote:If you use your buddy's nitrogen tanks remember you'll need an air shock adapter so you can pull the hose off without losing any pressure from the reservoir. Go to a mountain bike shop and ask for an adapter for a Fox air shock or similar.
Is it high pressure too?
Any notion why the 82, 83 are high pressure?
- redrocket190
- Posts: 1229
- Joined: September 17th, 2007, 9:07 pm
- Location: San Clemente, CA
Alas I have the CR480R no more, and rue the day I sold it. I'll guess that at the time Honda was experimenting with the variables of single-shock suspension - linkage, spring rate etc. - and came up with a design that needed a fast rising rate "air spring" to prevent bottoming and that's why the bladder has a high pressure.
Michael Stiles
2007 Honda CR500R-AF
2007 Honda CR500R-AF
- 2strokeforever
- Posts: 1524
- Joined: November 13th, 2009, 1:04 pm
- Location: Vernon B.C Canada
chumley could probably get away using argon, nitrogen for everyone elseWill argon gas be ok or does it have to be nitrogen?
again unless your chumley this needs to be doneyou'll need an air shock adapter so you can pull the hose off without losing any pressure from the reservoir
the 450 will have less power and will be harder to start, and will be heavier, but to make up for it it will require more maintenance.
4stroke=dead fish
4stroke=dead fish