Christopher Gehrich
  • Male
  • Indianapolis, IN
  • United States

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Christopher Gehrich's Discussions

Choosing ESCs for Multirotor Based on Li-Ion C-Rating Limitation

Started this discussion. Last reply by Stuart Brookes Jan 10, 2015. 5 Replies

HelloMy long-flight-time quad (APM 2.6, or Pixhawk) is a specialized aerial survey platform using 4S4P unprotected NCR18650B Li-Ion batteries. I have been using Afro Slim 20A ESCs successfully, but I…Continue

Tags: limit, question, Li-ion, Liion, maximum

Long mapping flights possible with Arduplane on Pixhawk?

Started this discussion. Last reply by iskess Oct 22, 2014. 1 Reply

Hello everyone,I'm trying to map a large area with a very nice camera, but i require more than the 724 waypoints currently available to write on the FRAM of the pixhawk. Is there a way to increase…Continue

Tags: fram, memory, parameter, waypoint, planner

Help please. Quadcopter vortex ring state? Loss of lift when descending at normal speeds.

Started this discussion. Last reply by Christopher Gehrich Sep 29, 2014. 1 Reply

I built my own Quadcopter following this online buildTurnigy H.A.L. frameTurnigy…Continue

Tags: Quadcopter


Christopher Gehrich's Page

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About Me:
I built my first quadcopter following a build posted online. Since then I have made a 1 hour hover quad and a Tarot 680 hexacopter. I recently built a ZMR250 mini-h quad, so I hope to learn how to race soon!
Please tell us a bit about your UAV interest
I want to fly my quadcopter using FPV with the added security of ardupilot failsafe features. I'm also attempting to create 3D models of structures from photos gathered from my multirotors.

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Season Two of the Trust Time Trial (T3) Contest 
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