Caldwell Hammr Help
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Caldwell Hammr Help
Hi All,
I have a Caldwell Hammr and it appears the gas spring no longer functions. Caldwell has discontinued the product so long ago they have no records of a replacement part.
Can any of the folks here help me characterize what type of gas spring I need? I'm not even sure if its a gas spring or something else.
-Eric
I have a Caldwell Hammr and it appears the gas spring no longer functions. Caldwell has discontinued the product so long ago they have no records of a replacement part.
Can any of the folks here help me characterize what type of gas spring I need? I'm not even sure if its a gas spring or something else.
-Eric
feederic- Posts : 5
Join date : 2021-07-19
Re: Caldwell Hammr Help
Greetings,
Check out McMaster-Carr...
Gas Springs
I bought one for my mill and was pleased to receive a Made In USA product.
You may have to do a bit of Googling to determine the characteristics of your existing spring. Should have some sort of ID stamped on it.
Cheers,
Dave
Check out McMaster-Carr...
Gas Springs
I bought one for my mill and was pleased to receive a Made In USA product.
You may have to do a bit of Googling to determine the characteristics of your existing spring. Should have some sort of ID stamped on it.
Cheers,
Dave
fc60- Posts : 1458
Join date : 2011-06-11
Location : South Prairie, WA 98385
Re: Caldwell Hammr Help
I own a HMMR and did wonder once how I would replace the shock/damper and ended up thinking I would need a linear damper to replace it..these differ a bit from shock absorbers. think of the damper used on screen doors to keep it from slamming shut. most shock absorbers absorb compression which is the opposite of what you need
they make them to slow expansion,slow compression and both
you probably will need a extension/compression one..
https://www.mcmaster.com/linear-dampers/
problem is most are a bit pricey...
they make them to slow expansion,slow compression and both
you probably will need a extension/compression one..
https://www.mcmaster.com/linear-dampers/
problem is most are a bit pricey...
jglenn21- Posts : 2620
Join date : 2015-04-07
Age : 76
Location : monroe , ga
Re: Caldwell Hammr Help
if you look on etsy.com for extension damper they have some at cheaper prices.
jglenn21- Posts : 2620
Join date : 2015-04-07
Age : 76
Location : monroe , ga
Re: Caldwell Hammr Help
jglenn21 wrote:if you look on etsy.com for extension damper they have some at cheaper prices.
Thank you! I couldn't find an extension damper anywhere...I never would have thought to check etsy. I ordered one up and will report back on if it works or not.
feederic- Posts : 5
Join date : 2021-07-19
Re: Caldwell Hammr Help
fc60 wrote:Greetings,
Check out McMaster-Carr...
Gas Springs
I bought one for my mill and was pleased to receive a Made In USA product.
You may have to do a bit of Googling to determine the characteristics of your existing spring. Should have some sort of ID stamped on it.
Cheers,
Dave
Thank you for the advice, Dave!
feederic- Posts : 5
Join date : 2021-07-19
Re: Caldwell Hammr Help
jglenn21 wrote:I own a HMMR and did wonder once how I would replace the shock/damper and ended up thinking I would need a linear damper to replace it..these differ a bit from shock absorbers. think of the damper used on screen doors to keep it from slamming shut. most shock absorbers absorb compression which is the opposite of what you need
they make them to slow expansion,slow compression and both
you probably will need a extension/compression one..
https://www.mcmaster.com/linear-dampers/
problem is most are a bit pricey...
Hi Jimmy,
I received my replacement damper and am wondering if I am not recalling how the HAMMR rest actually functioned when returning to rest. I was under the impression that the damping acted on extension, and upon releasing, the rest would spring back to rest somewhat forcefully as if a spring pulled it back down.
Does yours operate this way?
feederic- Posts : 5
Join date : 2021-07-19
Re: Caldwell Hammr Help
Yes it is pulled down by the damper.
jglenn21- Posts : 2620
Join date : 2015-04-07
Age : 76
Location : monroe , ga
Re: Caldwell Hammr Help
jglenn21 wrote:Yes it is pulled down by the damper.
It appears I need to look for another replacement damper. I purchased one from the etsy source you had posted earlier. This dampens on extension, but provides no active reset or resistance for compression.
feederic- Posts : 5
Join date : 2021-07-19
Re: Caldwell Hammr Help
If it works to slow and stop the recoil and stays extended, i would simply reset it by hand.. this would be exactly like a ransom rest operates.
jglenn21- Posts : 2620
Join date : 2015-04-07
Age : 76
Location : monroe , ga
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