spoke length?

Hi

I’m getting a new Monty rim for my uni and I was wondering if any one knows the right spoke length for a sue hub and Monty rim with a three cross pattern. It was originally a four cross pattern but I think the angle of the spokes is too acute and seems to put to much strain on the rim and spokes. I’m guessing that they will be around 160 to 170 mm long. Any in put would be appreciated. Thanks.

Luke

look here:
http://www.unicycle.uk.com/SpokeCalc.asp