Hunting President
The President was a civilian VIP version of the Pembroke , only about 3 were built IIIRC.
The Hunting "Harrier" was a small fold-up air droppable vehicle, reminiscent of a Mini-Moke when opened up. Like the Moke its Achilles heel was low ground clearance.
Napier experimented with a modified Bensen Gyrocopter fitted out with spray bars for crop spraying.