Plastic seat frame for use with Hacker seat harness. Plastic frame lightens the power pack considerably for indoor flight.
Para-RC Plastic seat-bracket
Technical Specifications without Gurtzeugtasche
Weight: about 95g with foam and screwsset inlc.:
plastic seat part
Foam insert recommended parts for indoor and no wind:
2x Para-RC-Servos or
Low Profil Servos Savöx SC-1251MG