Specialite Areo Lalande Ltee.
This hovercraft was originally named RL4-A by Roger
Lalande. It was renamed Whirlwind after the project was handed
over to a group in Parry Sound, Ontario.
The lower section was constructed of fibreglass reinforced with
2024-T3 aluminum alloy. The upper section was made from 2024-T3 stringers
and skinned with aluminum - aircraft style. Rudder and reverser were
hydraulically operated. Power was from a Ford V8 automotive engine
A large panel
dropped over the thrust duct to redirect the thrust air forward, providing
braking and reverse.
The manufacturer's address was:
Specialite Aero Lalande Ltée
R.R. No 1
Tel: (819) 732-5602