4 Cylinder Gas Powered Engine
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This is a 4 cylinder "tumbling spider" gas power engine. This engine is based on aircraft
engines tested in the 40's and 30's. These engines were particularly interesting as
replacements for radial engines because they took up less space (had a smaller diameter).
They have a swash plate rather than crank shaft.
As with all our gas powered engines it has a Piezo ignition system. However on this version
it is built into the base and is driven with a toothed belt by the engine.
The gas and hence speed regulation is handled by a valve on the gas tank. The gas tank
also has a pressure gauge.
The engine has a mesmerising, elegant motion which is particularly emphasised by the
open construction. You will notice parts moving in opposite directions with the
piston, crosshead and valve rods having interesting mechanical interactions.
The engine has a pleasant deep tone sound when running. This model is finished and
ready to run.
Technical data:
| Speed regulation: |
valve on the gas tank + pressure gauge |
| Capacity: |
1.5 CC x 4 (6cc) |
| Number of revolutions: |
200 - 1000 rpm (approx) |
| Height: |
240 mm |
| Width: |
180 mm |
| Length: |
280 mm |
| Weight: |
3.2 kg - with tank and baseplate |
| Running time: |
approx. 10 min per standard gas refil |
| Flywheel diameter: |
approx. 123 mm |
| Ignition: |
Piezo crystal (no batteries required) |
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(click on the images above to view movie)
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We ship worldwide
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Ideal for ages 16 (recommended).
To compare by age group
click here
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