Hirobo Lama SA-315 - 20G (1979)

		Specification:  Full Length of Fuselage 1830 mm  (72 inch)  Rotorhead Hirobo model specific 3 blade scale  Main Rotor Dia 2110 mm  (83 inch)  Tail Rotor Dia - mm  Engine 22cc Petrol  Full Equipped Weight 10.2 Kg  (22.4 Lbs)
Documents:

Petrol two-stroke engine.

  Dave Nieman and Big Hirobo Lama - Sandown 1980.

  1983 flying shots however by this time the model was discontinued.   

Hirobo Lama SA-315B - BGX-1 (1996)

   For BGX-1 Petrol two-stroke engine.

Revised 'special edition' version of the Large scale model.