Eric Brandenburg takes flight at IRCHA 2011 with Dave Ketelhut’s Compass 7HV turning a wicked 2500 RPM headspeed. Dave was kind enough to share the specifications with us.
- 100% stock 7HV air frame no mods.
- JR 8917 servos, MKS 760 tail servo.
- Hobbywing 120HV ESC.
- stock compass 700mm blades.
- Scorpion 4525-520LE motor with 14T pinion 100% flat throttle curve giving me 2500 RPMs.
- 15° of pitch.
- Punch RC X2 6S 5100 35C MAH packs.
- 8FG radio.