20-HP Teledyne 4-Stroke Engine
According to David Vogel of Vogel's Electro Source, which is
marketing an 18- to 20-hp military-surplus Teledyne 4-stroke engine
weighing just 63 pounds,* the reported upgrade kit or plans to
increase the horsepower to 40 is "old information."
Vogel indicates he knows of no way to safely and reliably increase
the engine's horsepower to that level, and therefore his company
does not have such a kit or plans.
Info: Vogel's Electro Source, 121 Mount Vernon St.,
Dept. UF, Milford, NH 03055. Phone/fax: (603) 672-1762 * e-mail:
*See "Industry Watch: Teledyne
20-Horsepower Engine 4-Cylinder, 4-Stroke, Just 63 Pounds,"
October '01 Ultralight Flying! magazine