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The $100 challenge.....
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kruzaroad View Drop Down
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Posts: 2622 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2023 at 3:35pm
If mine don't improve after a bit of work best thing I can think to do with it is, cut it half length ways and hang it on the wall.
Maybe sell both halves as a demo cut away for $150.00 each.
All. Polished of course.

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KiwiTR6 View Drop Down
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Mine will be a present to the grandson in a few years when he's old enough Smile
Daystate Red Wolf .22
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Diana Outlaw .22
AA S410 .22
HW98 .177
HW30 .177
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Billbobnz View Drop Down
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Posts: 918 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2023 at 3:06pm
Will try shimming first
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kruzaroad View Drop Down
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Posts: 2622 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2023 at 3:04pm
Sweet bb. Sounds like he will be showing you soon.
So how you gonna fix it? Shim or reface?
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Billbobnz View Drop Down
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Posts: 918 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2023 at 2:36pm
LOP is still slightly too long so may shorten the stock for him on the air chief but not untill I master the beast it is haha
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Billbobnz View Drop Down
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Posts: 918 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2023 at 2:35pm
Gun is temporarily back together, I have taken slightly too much off the breech so the barrel is slightly upwards but is fixable. Definitely shooting much smoother.

My son came out (8yrs old) and decided right there and then to have a go. Got him on the cr600 and 3rd shot in was right on the bullseye at 10m. I think the air chief will become his first gun once I've finished with it
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J-S View Drop Down
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Posts: 484 		Post Options Post Options   Thanks (0) Thanks(0)   Quote J-S Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2023 at 3:49am
great efforts!
J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..
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KiwiTR6 View Drop Down
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Posts: 382 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KiwiTR6 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 3:11pm
Sourced some O-rings today from the local engineer and turned up a nylon spacer to bring the O-ring out about 0.5mm beyond the breech.  I then fastened it to the spacer with some E6000 glue and closed the breech while it set.  The breech now closes completely and when I put the barrel in the vice and applied pressure to the cylinder there was no play at all.  The barrel and cylinder aren't concentric with several degrees of difference between the centreline of each.  I'm not going to try and correct this though as now that the breech is solid a scope adjusted to suit should work fine (I assume?).

I also had time to cut a groove in the piston to take a PTFE ring rather than the buttons I was planning to fit.  The piston body was too flexible to grip in the 4-jaw so I held it by the centre shaft and centralised it with my dial gauge as best I could.  The thing squealed like a pig as the parting tool chattered away trying to cut the groove but I got there eventually.  Not pretty, but it should work.  Hopefully I'll have time tomorrow to make the ring then it can be assembled, although I want to to crown the barrel before I test it again.
Daystate Red Wolf .22
FX Dreamline .22
Diana Outlaw .22
AA S410 .22
HW98 .177
HW30 .177
Diana 340 E-Tec .177
FWB Sport 124 .177
Gamo 900 .22
Baikal IJ-22 .177
Crosman 2240 Custom .22
Brocock GP .22
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Billbobnz View Drop Down
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Posts: 918 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 3:10pm
Righto, Ive got the barrel refitted, modified the original breech seal and got it lined up perfectly horizontal.

Have shimmed breech to remove the lateral movement. I need to make another breech pivot bolt but it's fitted together ok in the meantime to put it back together tomorrow to retest it at 10m.

Fingers crossed.......
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KiwiTR6 View Drop Down
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Posts: 382 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KiwiTR6 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 4:19am
Originally posted by jwabfrog jwabfrog wrote:

Kiwi, your engineering skills are impressive! Looks super nice. Well done


Thanks frog, I'm really not that talented. I sit at a desk all day so this sort of stuff is my way of de-stressing Smile


Edited by KiwiTR6 - 06 Sep 2023 at 4:54am
Daystate Red Wolf .22
FX Dreamline .22
Diana Outlaw .22
AA S410 .22
HW98 .177
HW30 .177
Diana 340 E-Tec .177
FWB Sport 124 .177
Gamo 900 .22
Baikal IJ-22 .177
Crosman 2240 Custom .22
Brocock GP .22
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kruzaroad View Drop Down
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Posts: 2622 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 3:03am
Can't see the point in getting to complicated on trigger for this gun.
A simple stop for trigger seems enough for me.
Another idea I had, but won't be doing due to lack of tools, was to bore a small hole into the breech block, to the bottom left or right of the barrel.
Thread the top so a small cap with center drilled out could be screwed over the top of a spring and ball bearing put into the hole, and a shallow receiving hole on other side for the bearing to lock into.
Barrel lock. In theory would hold barrel in same place when closed.
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jwabfrog View Drop Down
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Posts: 159 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jwabfrog Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 2:53am
same goes for Bilbo's barrel machining work
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jwabfrog View Drop Down
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Posts: 159 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jwabfrog Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 2:50am
Kiwi, your engineering skills are impressive! Looks super nice. Well done
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KiwiTR6 View Drop Down
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Posts: 382 		Post Options Post Options   Thanks (1) Thanks(1)   Quote KiwiTR6 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 2:48am
I'm sure normal electrical solder would be fine Paul, there's no real load on the adjuster.  I just happen to have some silver-solder which is stronger and flows really nicely if you strategically place tiny little off cuts.
Daystate Red Wolf .22
FX Dreamline .22
Diana Outlaw .22
AA S410 .22
HW98 .177
HW30 .177
Diana 340 E-Tec .177
FWB Sport 124 .177
Gamo 900 .22
Baikal IJ-22 .177
Crosman 2240 Custom .22
Brocock GP .22
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Pauly5 View Drop Down
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Joined: 11 Mar 2013
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Posts: 1663 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pauly5 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 2:39am
Originally posted by kruzaroad kruzaroad wrote:

 
I'm contemplating putting a small angled hole in the front trigger gaurd and threading it (by using the screw I will put in) to make a stop for trigger reseting to far forward. (inspired by trigger adjustment shown previously but taking all the complicated work out of it.)
Remember it's about tightening the groups not engineering the parts in end.

I had thought about that way too. I was thinking about using a backing piece inside the hollow trigger to thread into, but it could be fiddly.

For brazing, how well would silver solder that we use for electrical connections work?
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