21" ILF riser question

[MikeM]

On a 21" ILF riser like the Dalaa what is the effect on poundage of limbs that are marked for 17" risers? 45#@28 on 17" would equal ??#@28 on a 21" riser.

Put another way what poundage ILF limbs would I get for a 21" riser if I wanted 50#@30"

Thanks

[wingnut]

it comes out to about one pound per inch.  If you are going longer you subtract a pound and if you are going shorter you add a pound per inch.

Mike

[MikeM]

Thanks