what speed do yu think

[mobow]

I shoot a 386 gr. arrow, @ 5.6 gpp, out of a Hoyt UltraMag. I have no access to a chrono, what speed do you think I should be getting. i think it is shooting around 285 fps.

[Charlie P]

Go here www.bowjackson.com and you might be able to figure it out.

[silentassassin]

What is the draw weight and what is the draw length and what do you have on your string?

[mobow]

68 #, 30 "
peep with tube, cat whiskers string loop