1974-1976 Miss U.S. Specifications


General

Original Owner George Simon (U.S. Equipment Company)
Designer Ron Jones
Constructor Ron Jones
Lap Speed Approx 125 MPH
Maximum Speed 180 MPH+
Electrical System 24V

Hull Specifications

Length 29' 3"
Beam 12'9"
Weight 6500 lbs (Racing Trim)
Material Wood, Aluminum, Fiberglass

Engine Specifications (modified for racing)

Manufacturer Allison Engineering (a division of General Motors)
Model V1710 V-12
Displacement 1,710 cu-in
Bore x Stroke Bore: 5.5" x Stroke: 6.0"
Compression Ratio 6.65:1
Power Over 3,000 HP
Racing RPM Approx 3,600 RPM
Fuel System Custom Hilborn-based fuel injection system
Supercharger Two turbosuperchargers feeding fuel injection plenum
Fuel: 115/145 octane aviation fuel
ADI 50/50 water/alcohol anti-detonation injection at 55 in hg and higher boost pressure (0.5lb ADI per 1.0lb fuel)
Lubrication System Dry sump system w/15 gal tank, self cleaning Cuno-type oil filter
Cooling Total loss ram-water system, rudder pickup, oil cooled with water/oil cooler, water also supplied to intercooler
Ignition One Bendix-Scintilla DFLN-6 integrating dual magneto's; two cam-driven distributors for intake & exhaust spark plugs

Propeller/Gearbox

Gearbox Modified propeller reduction gear on engine, modified to increase rpm 3x for prop. (prop turns 3x crankshaft speed)
Propeller Two blade stainless steel, 13" diameter, 16-3/4" pitch/rev
Rudder Steel, 1958 Gillcraft, includes ram cooling water pickup

Return to Miss U.S. page