TD Longbow design - Need help - New "Curves"

Started by MB_Sweden, December 17, 2013, 05:55:00 AM

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MB_Sweden

Hello guys
I need your help and feedback
I have built a couple of Recurves and One piece longbows!
Trying to build/design a TD Longbow 62" using a 16" Riser with 12° limbpad angle!
I have 2 alternative so far:

Am I on the right track ?
Please let me know which design you like best?

 
Martin From Sweden

Buemaker

If the dots on the lines are the bow tips or string notches I would go with nr. 1. Depends of course on wedge lenght , taper rate and so, but on average nr. 1 should give a faster, but still sweet shooting bow, with a fatter draw force curve. Bue--.

MoeM


beachbowhunter

I would go with No 2 but drop the angle to 10*
Ishi was a Californian                   :cool:

MB_Sweden

Thanks guys!
Yepp, Dots on the lines is string grove for a 64" NTN.
Martin From Sweden

MB_Sweden

Should I change the curve on some of the limbs?
I try to understand what Im looking for in the limb!

Any recomendation for taper and wedge lenght for limbs?
Martin From Sweden

MoeM

Reminds me a bit of my 62-64" (1-pc)  LB, 10° limbpadangel 17"... so I`d use either short wedges and a .004 taper or half the taper and very long wedges like p-lams.

Swissbow

QuoteOriginally posted by swedisciple:
Should I change the curve on some of the limbs?
I try to understand what Im looking for in the limb!

Any recomendation for taper and wedge lenght for limbs?
I would go with nr. 1. and leave it the way it is. I'm sure it will build a very fine bow. If I wanted to build a short d/r bow ( 60" or less ) I would go with nr. 2, but i would move the part where the limb starts to bend upwards closer to the riser.
__________
Andy

Crooked Stic

No. 1 looks good --except I would take the deepest part of the deflex to mid limb before going up with your reflex.
High on Archery.

Pheonixarcher

It really depends on what profile you are looking for at brace, and the draw length you are going for. Either design will work great with the right lams. What sort of specs are you aiming for?
Plant a fruit or nut tree today, and have good hunting tomorrow.
=}}}}}-----------------------------}>

MB_Sweden

Thanks
Aimong for
62-64" NTN
40-45# @ 28"

Really like when limbs are straight or a bit reflexed in top when bow is braced!
Martin From Sweden

BigJim

Number too will give you very little early draw weight...without that you will have a lethargic bow. Number one is slightly better, but depending on how much taper you have in width and thickness, it may also do the same.

BigJim
http://www.bigjimsbowcompany.com/      
I just try to live my life in a way that would have made my father proud.

BigJim

Number too will give you very little early draw weight...without that you will have a larthargic bow. Number one is slightly better, but depending on how much taper you have in width and thickness, it may also do the same.

BigJim
http://www.bigjimsbowcompany.com/      
I just try to live my life in a way that would have made my father proud.

MB_Sweden

Thanks for all feedback!
Some new curves, have I understand it ?  :)
Martin From Sweden

kennym

Not a bowyer, but I like the old #2 because it doesn't look as hingy at end of wedge.

But move the nocks at least an inch to target side of riser. Like Jim said, it will help performance and also quiet a bow,it did mine anyway when I went from 14* pads to 12* with same limb.
Stay sharp, Kenny.

   https://www.kennysarchery.com/

MB_Sweden

Im starting to loosing it  :)
Im trying to get a mix from all feedback, to mutch for my little brain!
Maybe I should stay with recurves?
Or does anybody has a nice pattern to sale?
Martin From Sweden

bowhntineverythingnh03743

Kenny M has some proven once piece longbows and I remember him saying he has a new pattern that he would like some feedback on... Maybe hit him up with a message or something.

MB_Sweden

This is still giving me headache  :)

Anybody here that can sell me a pattern for a 62" or 64"  TD longbow?
Martin From Sweden

M.Kerry Bird

The bingams projects t/d longbow is a proven performer being built and sold by dozens of bowyers. The blueprints only cost about  $10. Can be built in lengths of 58-68"

beachbowhunter

I can email you a file in Adobe Illustrator with my profile if you like...
Ishi was a Californian                   :cool:

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