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Post  ian1954 Mon Dec 15, 2014 4:40 pm

This is the prototype of the Speed Racer. This is the Mark II Speed Racer diesel engine. It has 3 intake and 3 exhaust ports.

RV Speed Racers .098cc Diesels Speed_10

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Post  ian1954 Mon Dec 15, 2014 4:40 pm

This led to the production of the 25th Anniversary Edition which was supplied with an engraved gold pendant.

RV Speed Racers .098cc Diesels Speed_11

Bore 5.0 mm
Stroke 5.0 mm
Rpm 19,400 rpm
Total combustion 0.098 cc
Weight 15 gram

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Post  ian1954 Mon Dec 15, 2014 4:41 pm

As you will see from my other posts. Ronald strives for perfection producing these miniature masterpieces and they undergo constant refinement.

The Speed Racer II is a prime example. This was made with 4 intake and 4 exhaust ports. I have trouble seeing this on engines this small let alone photographing it.

RV Speed Racers .098cc Diesels Speed_12

Bore 5.0 mm
Stroke 5.0 mm
Rpm 27,100 rpm
Total combustion 0.098 cc
Weight 15 gram
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Post  Cribbs74 Mon Dec 15, 2014 7:39 pm

By 4 intakes, does that mean 4 sprinkler holes?

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Post  Oldenginerod Tue Dec 16, 2014 12:45 am

I would suggest 4 by-pass passages, one between each exhaust port.
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