I am planning on building a scratch upscale of the Semroc Laser-X. I have attached the OR file. I am planning on Dual Deploy with an Adept22. My question at this point is the main deploy is happening at 84.3 ft/s. Is that too fast for a Top Flight Par-70 chute and 1" tubular nylon. The BT will be 4" PML Quantum tube. My goal is to have this completed for AirFest 18 Labor Day weekend for my cert. Probably on the AT J315 or J415. Eventually I will fly it on a K550 or K1275 and join the mile high club. Thanks in advance for your comments.