UltraVair engine for
ultralight aircraft, UltraVair engine for experimental aircraft, UltraVair engine for experimental light sport aircraft (ELSA), Lightsport Aircraft Pilot News
newsmagazine.
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Lightsport
Aircraft Pilot is a directory of aircraft that generally fit
into what are described as ultralight aircraft, advanced ultralight
aircraft,
light sport aircraft, experimental light sport aircraft, experimental
aircraft, amateur built aircraft, ELSA or homebuilt
aircraft in the United States and Canada. These include
weight shift aircraft, more commonly known as trikes,
powered parachutes, and powered para-gliders.
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UltraVair engine for ultralight, experimental
lightsport, amateur built aircraft.
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Manufacturer
UltraVair
1632 Memorial Drive
Cedar Rapids Iowa 52403
UltraVair engines of Cedar Rapids Iowa had their "1/3 is
greater than a 1/2" Corvair engine conversion on display
mounted to the front of a Mini Max at Airventure 2003.
The UltraVair is made from 2 of the 6 cylinders of a
General Motors Corvair engine - thus the "1/3 is greater." |
Ad Code TwoHere |
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It produces 35 hp at 3500 rpm
using stock pistons, crankshaft and camshaft. "The stock
Corvair has hydraulic lifters and strong through-bolts
holding the case halves together. It also has the exhaust
ports facing down and a removable top cover and oil pan. No
special head or case boring is needed. This eliminates
expense and the removal of material that weakens engine
components."
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Bore |
3.437 inches (87.3 mm) |
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Stroke |
2.94
inches (74.7mm) |
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Displacement |
54.6
cubic inches (894cc) |
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Width |
27.5
inches |
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Weight |
80
lbs (includes intake and magneto) |
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Horsepower |
35 @
3,500 rpm (estimated) |
The UltraVair has single ignition, uses a side-draft
carburator from a Harley Davidson motorcycle and weighs
80 pounds dry.
According the factory the
engine "runs very smooth due to the fact that the stock
pistons and rods are very light, reducing reciprocating
weight. The crankshaft is modified with weld-on
counterweights."
Corvair parts are readily available from several
suppliers and total engine cost is perfect for the
homebuilder budget
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UltraVair engine for ultralight -
experimental lightsport aircraft |
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Light Sport Aircraft Pilot News Web Magazine.
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