ORIGINAL: fishboy
My understanding is that the LED turns red when you are at max headspeed. After that point you are relying on pitch to increase lift. This has been discussed a fair bit earlier in this thread.
My BCP doesn't take off until about 2/3 throttle and I've read other posts saying the same thing. It doesn't seem to be abnormal.
Try this site.......
http://www.bladecprepair.com/troubleshooting.php