US Amphibious projects.

July 1942 'Pelican' project, 50' long, 400hp engine, water speed:8 mph, 20,000lbs (empty), 40,000lbs (loaded),
cargo space large enough to carry 6X6 truck. No full size built, but several scale models for tank tests.



May 1944 15 ton project, design and engineering by Sparkman & Stephens, Inc. 37,000 lbs (empty),
30,000lb payload. Continental R975 with Torqmatic transmission. Original design had five road-wheels
per side, later increased to six. 21" wide tracks as developed for T87 105mm howitzer motor carriage.
Front wheels were driven. Twp 28" diameter propellers for water propulsion. 30mph (land), 8mph (water).
Was to be designated T32.

Later revised arrangement with six roadwheels and rear hull profile modified to allow the vehicle to enter
an LST from the water.
- from Hunnicutt, Half-Track.