One of many test flights Compass did in IRCHA 2012. The sound in real is even much smoother than on the video as reported. Dave broke his tail fin a few flights before during a bad auto.
IRCHA 2012 ? David Ketelhut ? Compass WARP 360 Testing.
IRCHA 2012 - Sebastian Zajonz - Testflight with 7HV and 6mm Tail Upgrade
Sebastian Zajonz testing the 7HV in two different headspeeds & still as silent as can be with Helical.
Configuration 7HV he uses:
MKS HBL Servos and MTTEC KETO BEC
Kontronik Jive 120 HV
Compass 4926-510
Compass 700mm Mainblades
Compass 115mm Tailblades
Helical Maingear
Tail Upgrade with 6mm Shaft
Link: SQN31HOBBYMEDIA
From: ANCHORVALE RC GROUP
IRCHA 2012 ? David Ketelhut ? Compass WARP 360 Testing.
IRCHA 2012 - Sebastian Zajonz - Testflight with 7HV and 6mm Tail Upgrade
Sebastian Zajonz testing the 7HV in two different headspeeds & still as silent as can be with Helical.
Configuration 7HV he uses:
MKS HBL Servos and MTTEC KETO BEC
Kontronik Jive 120 HV
Compass 4926-510
Compass 700mm Mainblades
Compass 115mm Tailblades
Helical Maingear
Tail Upgrade with 6mm Shaft
Link: SQN31HOBBYMEDIA
From: ANCHORVALE RC GROUP