Jet Engines

Jet Engine Plans

We currently offer 2 different sets of Jet Engine Plans, our J-20 (20 pound thrust) & our J-130 (130 pound thrust) plans. These Jet Engines are considerably different than jet turbine engines or pulsejets.
Our jet engines have no moving parts whatsoever. There is nothing to wear out, and there is no complicated support equipment such as fuel & oil pumps, bearings, or radiators found on turbine engines, or reed valves that wear out & break found on pulsejet engines.
They are known as 'Pressure Jet Engines' and have also been called 'Static Ramjet Engines (because they produce power statically (when they are stationary) where true Ramjet engines only produce power when moving at very high speed).
At the present time, we do not sell J-20 or J-130 engines or parts, only the plans.
The plans for the J-20 & J-130 are large, 1:1 scale drawings (over 16 feet long for the J-130 and over 8 feet long for the J-20).
The engines are fabricated from just sheet metal and tubing. If you are good at with metalworking & fabrication (cutting, welding, forming) you can build these engines. Being 1:1, full size drawings, these plans can simply be placed on top of your sheet metal and the parts cut right out. It is a great metal shop project for the more advanced hobbyist.
The original engine & designs were produced by a close friend of Bob Lazar's, Eugene Gulhareff. Until his death, Eugene built & sold his engine for decades and met Bob in the late 1970s. Bob occasionally worked with Eugene building engines and also sold plans with some minor modifications he incorporated for Go-Kart & small vehicle use at car shows and race events.
These plans incorporate the performance changes Bob made back then and the engines actually put out about 15% more thrust than advertised. The J-20 & J-130 engines are controlled by a simple ball valve regulating propane flow to the engine which allows them to throttle from idle (essentially zero thrust) to 100%. The engine does get red hot during operation so it cannot be built into an enclosed area unless copious amounts of ventilation are provided.


J-130 Jet Engine on a Go-Kart
See the youTube video: Here


 
Bob in 1979 with a J-20 Jet Engine on his bicycle




Product Image Item Name- Price
J-20 Jet Engine Plans

J-20 Jet Engine Plans

J-20 Jet Engine Plans Plans for our J-20 Jet Engine. Maximum 25 Lbs thrust, typical 20 Lbs. No moving parts, nothing to wear out - and there is no complicated support equipment such as fuel & oil pumps, electronic control systems or radiators...
$19.00

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J-130 Jet Engine Plans

J-130 Jet Engine Plans

J-130 Jet Engine Plans Plans for our J-130 Jet Engine. Maximum 150 Lbs thrust, typical 130 Lbs. No moving parts, nothing to wear out - and there is no complicated support equipment such as fuel & oil pumps, electronic control systems or...
$39.00

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