Sash clamps.

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   Question for those in the know…
What size sash clamp is needed to unspring a springer?
Bearing in mind I have break barrels, under levers and side levers, what length sash clamp should I get?
I was in mite 10 this morning and the longest that they have is 600mm.
3 options depending on how much clamping force you need, but I’m sure any of them would be powerful enough to hold a spring in.
All 600mm length though. Is that long enough for a fixed barrel?

And then there was this bad boy… 1800mm 😳

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RangerPete Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 884	Post Options Post Reply Quote RangerPete Report Post Thanks(0) Quote Reply Topic: Sash clamps. Posted: 03 Nov 2024 at 3:02pm
	Question for those in the know… What size sash clamp is needed to unspring a springer? Bearing in mind I have break barrels, under levers and side levers, what length sash clamp should I get? I was in mite 10 this morning and the longest that they have is 600mm. 3 options depending on how much clamping force you need, but I’m sure any of them would be powerful enough to hold a spring in. All 600mm length though. Is that long enough for a fixed barrel? And then there was this bad boy… 1800mm 😳
	Walk quietly, but carry a big stick.

nunga Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Forum Moderator Joined: 08 Mar 2013 Location: Pukekohe Status: Offline Posts: 1012	Post Options Post Reply Quote nunga Report Post Thanks(0) Quote Reply Posted: 03 Nov 2024 at 4:37pm
	Well the quick release ones will not be any use to you because the release very quickly. They good for compressing the spring or gas piston. I just used some timber. drill a hole in it and get some m12 threaded bar with some nuts and a couple of washers and you are good to go. way cheaper
	2nd place HP springer - WFTF World Championships 2014

Pauly5 Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Moderator Joined: 10 Mar 2013 Location: Titahi Bay Status: Offline Posts: 1415	Post Options Post Reply Quote Pauly5 Report Post Thanks(0) Quote Reply Posted: 03 Nov 2024 at 5:46pm
	I use a sash clamp. Or the DIY one is quite do able. It's a good idea to be able to hold the gun as well so it doesn't slip off to the side.

kruzaroad Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 2284	Post Options Post Reply Quote kruzaroad Report Post Thanks(0) Quote Reply Posted: 03 Nov 2024 at 8:38pm
	I use a Irwin quick grip. Place a bit of wood on it to protect the spring. Takes up most of the slack and has a stopping pin at end of bar. Travels a couple of inches till it hits it. Not that much pressure or travel on an uncocked spring.

Pauly5 Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Moderator Joined: 10 Mar 2013 Location: Titahi Bay Status: Offline Posts: 1415	Post Options Post Reply Quote Pauly5 Report Post Thanks(0) Quote Reply Posted: 04 Nov 2024 at 7:41am
	If there isn't much preload, you can sometimes open up without a clamp. But when I opened up my first 97 it had a long soft spring in it and there was about 80 mm of preload, so I needed the travel on a sash clamp to release the pressure or else I would have injured myself.

jwabfrog Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 12 Nov 2021 Location: Thames Status: Offline Posts: 142	Post Options Post Reply Quote jwabfrog Report Post Thanks(0) Quote Reply Posted: 04 Nov 2024 at 8:59am
	My five cents is go for a longer clamp around 1200mm with a screw. The screw allows you to make fine adjustments to add or remove compression. With a quick release it releases compression all in on go. A compressed spring has a fair amount of pre compression travel which can release violently and fire parts into dark corners of your garage..... 1200mm length will allow you to hold the barrel + action between the clamps. Like Pauly said, a means of holding the rifle and stopping it from sliding out of the clamp when it's under compression is a good idea.

RangerPete Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 884	Post Options Post Reply Quote RangerPete Report Post Thanks(0) Quote Reply Posted: 04 Nov 2024 at 9:08am
	Thanks for the replys guys. I've also found a 1200mm big metal, screw type sash clamp at miter 10, so I guess thats going to be the one
	Walk quietly, but carry a big stick.

J-S Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Senior Member Joined: 19 Oct 2014 Location: Auckland Status: Offline Posts: 425	Post Options Post Reply Quote J-S Report Post Thanks(0) Quote Reply Posted: 05 Nov 2024 at 8:23am
	I made a jig up a couple years back; wood base with half a G clamp bolted to it. Wood piece at the end to with a hole to hold the barrel in place and a wood piece along the side for the cylinder. Worked well for the gun I was doing..
	J S Airguns Air Arms TX200('s) Theoben Sirocco HW77 FWB 300s Webley Patriot One or two others... Current projects: Too many..

J-S Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Senior Member Joined: 19 Oct 2014 Location: Auckland Status: Offline Posts: 425	Post Options Post Reply Quote J-S Report Post Thanks(0) Quote Reply Posted: 05 Nov 2024 at 8:28am
	G clamp is off to the right.. it was a knock up job, if I had more time I’d make the barrel stop adjustable and a block to clamp the cylinder down
	J S Airguns Air Arms TX200('s) Theoben Sirocco HW77 FWB 300s Webley Patriot One or two others... Current projects: Too many..

jwabfrog Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 12 Nov 2021 Location: Thames Status: Offline Posts: 142	Post Options Post Reply Quote jwabfrog Report Post Thanks(0) Quote Reply Posted: 05 Nov 2024 at 8:52am
	Nice setup JS, barrel poking through the hole is a good way to make a shorter clamp work