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bottom limb flex's more then top

Started by natureguy, November 02, 2007, 07:40:00 PM

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0 Members and 2 Guests are viewing this topic.

natureguy

I cut my riser in,only to realise later that my lower limb flex's more. what's the negatives to leaving it this way.

jhansen

What do you mean by "cut my riser in"?  Any English longbow is tillered so that the lower limb flexes more.  What's your situation?

John
Life is an adventure.  Don't miss it.

natureguy

by cut my riser in,I mean it's shaped to my hand like many recurves or compound bows.
so I can't  just flip it with out changing the riser

jhansen

If the change you made to the riser weakened the lower limb then you changed the tiller of the bow.  I guess the big question is how it shoots.  As long as you get good arrow flight and the bow doesn't blow up you are okay.

John
Life is an adventure.  Don't miss it.

Bowjunkie

Are you making a new bow? or reworking an old one?

Longbow, recurve, laminated?

What is the difference in tiller measurements between the top and bottom limbs at the fadeouts?

A possible negative of 'negative tiller' is that when the bow is drawn, the weaker lower limb allows the nocking point, and nock of the arrow, to raise in relation to the arrow shelf. If it's bad enough, it could cause porpoising that is difficult or impossible to remove by adjusting nock height.

If it's not bad and it shoots an arrow well, it may not be worth worrying about. If it is substantial and you want to correct it, you may be able to remove some material from the top limb to weaken it, and/or shorten the bottom limb to strengthen it and get positive tiller back in the top limb.

Are your limbs currently of equal length or is the bottom limb already shorter?


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