RE: DerJet DH Vampire build thread-
Back on the Vampire.
I managed to get 5 1/2 oz of lead in the nose void, all helps. I will also place the UP3 valve in the nose next to the nose unit 2.4oz! I knew from the start that a lot of weight would be needed but jetmodeler has made me think even more radical.
Typical DerJet door shut lines!
Nose steering servo.