How many biplanes were built with retractable undercarriage?
I can picture a couple of amphibians: Loening Air Yacht and Grumman Duck and Petrel ultra-light. Oh! That's 3!
The British Royal Navy flew lots of Walrus amphibious biplane flying boats and a few Sea Otters during World War 2.
Grumman built a few biplane fighters during the late 1930s ...
Also during the late 1930s, Beechcraft built Staggerwing executive aircraft.
But I have only heard of a single Pitts Special aero to with retractable wheels.
Can you think of any other biplanes with retractable wheels?
I can picture a couple of amphibians: Loening Air Yacht and Grumman Duck and Petrel ultra-light. Oh! That's 3!
The British Royal Navy flew lots of Walrus amphibious biplane flying boats and a few Sea Otters during World War 2.
Grumman built a few biplane fighters during the late 1930s ...
Also during the late 1930s, Beechcraft built Staggerwing executive aircraft.
But I have only heard of a single Pitts Special aero to with retractable wheels.
Can you think of any other biplanes with retractable wheels?