GTA
General Discussion To Gateway To Airguns => The Shop => : howie1a June 02, 2008, 01:52:41 AM
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this is a very easy to build spring compressor you probable have everything you need laying around , a large c clamp a board some bolts a spacer nut and some clamps to hold the power plant down or you can make wood clamps too, In the pictures you will see my aluminum pipe in place of the power plant since I didn't want to take apart a rifle for the pictures and a close up to show you need to raise the center of the clamp screw so it centers with the powe plant I used a nut as a spacer . howie
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Made from scrape material and a jack I had . Marvin
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Now I LIKE the Bottle Jack idea!!! I've got a couple little bottle jacks lying around in the garage. I always wondered why I kept em!
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Duh! It just occurred to me this evening, pricing a tap and looking at a piece of all thread to make a longer travel for my home-made compressor, that with a decent vise, a coupling nut, a piece of all thread and a few nuts and washers, you can easily convert your bench vise to function as the business end of a spring compressor.
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Which end. Marvin
http://www.pyramydair.com:80/blog/2006/07/spring-gun-tuning-part-3mainspring.html
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Actually, I find I was wrong. On trying this under a load, the lateral torque on my smaller hobby vise is definitely unstable. Which makes sense since the bolt torquing the jaws is much larger than the bolt used for the clamp. It would be dangerous to try using it on a compressed spring.
I have seen the tailstock on a bench vise used in other on-line versions. I just can't mount a full-sized bench vise on a desktop work surface, and the tailstock of the hobby vise is too short, and again, not stout enough to be safe. I have a better arrangement in mind . . . more later.
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I know your enjoying the hobby for sure. But don't forget to take a break and do some shooting soon .Marvin
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see the link:
http://www.gatewaytoairguns.com/airguns/forums/thread-view.asp?tid=8582&posts=6&start=1
Shot this critter just around 7P today. Spent about 5-6 hours shooting this weekend. Love the new gun from Roy Weid at Mountain Airguns. Just ordered up two sleeves of .20 ammo as I have a new "thumper" coming very soon. And plan to shoot till my heart's content this Saturday at Gene's place.
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Tom:
Were you pricing a 10-32 tap as we discussed last Fri.? If so, I think you'll find a knob headed or thumb screw a more versatile means of retaining your Cree light and activating the switch on the laser pointer.
The standard 75% thread charts list a 10-32 tap drill as a #21 drill (.159") however, if your coming up thru the barrel/airtube retainer band and thin walled air tube on that 2250XT, I would recommend a #22 drill (.157") or a 5/32" (.1562) for 85% thread.
There is a real good inside chance that if you take that rifle to Gene's place, he has a drill press that could make short work of that little project.
Hope Howie forgives a hijack.
Mike