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> Tikka T3 recoil lug relief
Tikka T3 recoil lug relief
@ 11:55 pm (GMT) |
Chris BayleyI'm looking at the instructions for 'Match grade bedding' with a view to doing my T3. There is an aspect I can't get my head around yet, the instructions suggest to relieve the top and rear face of the lug.I need to confirm that the top mentioned is indeed the horizontal surface that interfaces with the action ? I agree that there should be the smallest amount of relief on that interface so as to avoid any risk of 'see-sawing' the action over the recoil lug. I totally agree that the forward facing vertical surface in contact with the action must be metal-metal contact as it by that interface that the recoil force is transmitted. More confusing tho is the rear surface as once the lug receives the recoil force from the action it will be transmitted to the stock via the rear surface of the lug so to my mind the rear surface should not be relieved in fact it seems to me that the only surface that should be relieved is the top horizontal surface mating with the action and in all other regards the lug should probably be permanently fixed in the stock with maximum rigidity. What am I not seeing ? Cheers, Chris |
Replies
@ 06:14 am (GMT) |
Thomas KitchenRe: Tikka T3 recoil lug reliefhi chrisi haven't bedded a tikka but i think Nathan means the top and rear of the lug that touches the action the rest of the lug that does not touch the action will be bedded in the action completely without relief? please wait for someone that has done a tikka to answer this, i believe martin taylor has done a few please read his thread http://www.ballisticstudies.com/Resources/Discussion+Forums/x_forum/17/thread/3925.html |
@ 07:12 am (GMT) |
Chris MurphyRe: Tikka T3 recoil lug reliefHI Chris, The only bit of the lug you want to touch the action is the front the rest needs to be tape relieved but the tape must not poke out (trim it neatly) so you dont get tape in your bedding |
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@ 07:31 am (GMT) |
Chris BayleyRe: Tikka T3 recoil lug reliefQuote: HI Chris, The only bit of the lug you want to touch the action is the front the rest needs to be tape relieved but the tape must not poke out (trim it neatly) so you dont get tape in your bedding
So how will the lug transmit the recoil energy to the stock if all the rest of it is relieved ? To my way of thinking the front surface touching the action should be metal on metal, the top surface touching the action should be relieved the bare minimum so as to maximise the surface area of the front contact patch while preventing any chance of loading the action across the top surface and the rest should be as rigid as possible (i.e. no relief) in the stock so as to transmit the recoil energy effectively. If I am wrong then can you explain the error in my thinking ? I am happy to be convinced of whatever is the most accurate solution. Cheers. |
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@ 08:29 am (GMT) |
Chris MurphyRe: Tikka T3 recoil lug reliefYou use one layer of tape on top and one layer on the rear then put thin smear of glue on tape and set into action trim off tape that can be seen sticking out from action. This is lowered into compound like that and when broken out the lug is left in the stock. Hope this makes sense |
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@ 09:02 am (GMT) |
Chris BayleyRe: Tikka T3 recoil lug reliefQuote: You use one layer of tape on top and one layer on the rear then put thin smear of glue on tape and set into action trim off tape that can be seen sticking out from action. This is lowered into compound like that and when broken out the lug is left in the stock. Hope this makes sense
Yes I believe I see it now after having a look at the other thread. I read the instructions as relieving the entire back of the lug which made no sense to me but relieving the rear interface with the action does of course. Cheers all. |
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@ 05:42 pm (GMT) |
Chris MurphyRe: Tikka T3 recoil lug reliefGreat stuff. All the best hope she turns out lovely for ya. |
@ 04:11 am (GMT) |
Nathan FosterRe: Tikka T3 recoil lug reliefThanks guys for helping Chris Bayley, I was away doing a talk for the kapiti Deerstalkers club (great bunch of guys too). |
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@ 07:14 am (GMT) |
Chris BayleyRe: Tikka T3 recoil lug reliefI just had an idea:The top of the lug could be relieved with double sided tape which save the gluing also ! I think I would apply it to the action so the the lug overhangs are not masked.... :) C |
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@ 07:14 am (GMT) |
Chris BayleyRe: Tikka T3 recoil lug reliefI just had an idea:The top of the lug could be relieved with double sided tape which save the gluing also ! I think I would apply it to the action so the the lug overhangs are not masked.... :) C |
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@ 08:10 am (GMT) |
Thomas KitchenRe: Tikka T3 recoil lug reliefhi chrisyou might be trying to reinvent the wheel. if nathan says to glue it, glue it the tikka's are hard enough to bed. you are relying on the glue to hold the lug in the right place any movement and the whole job could be a bust. i was mucking around trying to workout if i could modified a lee enfield mag then i saw Nathan rattle off few things he had tried and realized i was wasting my time as he had tried anything i could come up with. |
@ 08:47 pm (GMT) |
Martin TaylorRe: Tikka T3 recoil lug reliefGlue it in place Chris, as Thomas has said the flex in the tape will most likely ruin the whole job. The lug contact would be the down fall of many Tikka bed jobs along with over tight walls.A tiny drop of super glue on top of the tape will hold the lug. It won't push your relief amount around and away from the contact point as it flows easily. It will also break away with little fuss during your clean up. Nathan & Steph's KIT Instructions are clear and easy to follow, they work along with the TBR bedding kit because they have been developed, tested and proven, job done! My original Tikka's bedding post was put up too show the instructions & kit in action from a users perspective, so l hope it helps you and others out. |
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@ 10:43 pm (GMT) |
Chris BayleyRe: Tikka T3 recoil lug reliefYheap, I believe you're both right. The setup of that contact is critical.Cheers. |
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@ 06:00 pm (GMT) |
Chris BayleyRe: Tikka T3 recoil lug reliefTook down my newly acquired T3 for the first time today and this is what I saw:[img]https://dl.dropboxusercontent.com/u/8750196/Photo%2029-10-15%2C%2020%2033%2056.jpg Well beaten up. I look forward to my stainless lug arriving and getting on with my bedding job! |
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