Mocking up the engines
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Mocking up the engines

Another view of the progress
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Another view of the progress

The center engine hollowed out to accept the 5/8" K&S Aluminum tubing
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Center engine rear 3/4 view

The center engine hollowed out to accept the 5/8″ K&S Aluminum tubing

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Center Engine Side View

Test fitting the engine exhaust to measure where the can will ride

Here can be seen the engine can construction. The center can is fitted into the modified kit part.
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Center Engine Bottom View

Here can be seen the engine can construction. The center can is fitted into the modified kit part.

Testing the LED lighting. The circuit I've programmed flashes the three engines at a high rate of speed, replicating the Vipers engines beautifully
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Ignition!

Testing the LED lighting. The circuit I’ve programmed flashes the three engines at a high rate of speed, replicating the Vipers engines beautifully

Fitting the engine cans and replacement offset ring. The aft bulkhead can also be seen fitted.
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Aft view with engine

Fitting the engine cans and replacement offset ring. The aft bulkhead can also be seen fitted.

Here are the parts that make up the engine cans. End discs of .040 styrene, diffusers of .015 clear styrene fogged by sanding, and tubes of 5/8" thin-wall aluminum tubing.
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Engine Parts Laid Out

Here are the parts that make up the engine cans. End discs of .040 styrene, diffusers of .015 clear styrene fogged by sanding, and tubes of 5/8″ thin-wall aluminum tubing.

Here the engines have been partially assembled, and brass installed in the exhaust cones.
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Engine Subassemblies

Here the engines have been partially assembled, and brass installed in the exhaust cones.