Arrow spine and length question for wife's rer arroyo 54"

[txdiver]

Having trouble with calculators for wife arrows.
All help appreciated-- want carbons from allwoodarrows, 54" RER Arroyo- 40#@ 28" wife draw length 24.75"-need to figure spine and length- for those feeling froogy complete arrow setup. I am lost on a low poundage short bow.Thanks in advance

[moebow]

txdiver,

This isn't a form question, you will get the best answers by asking this in the Pow Wow section.

Welcome to Trad gang, lots of good info and help on this site.

Arne

[txdiver]

please delete- i reposted in proper section