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Cox Engine of The Month
July-2024
robot797's

"ULTIMITE COX 010: it has a clutch, E starter, throttle, exhaust, aluminum tank, aluminum venturi, gearbox with forward and reverse, and now its on a custom drawn and printed stand"



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Can you identify this engine?

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Thinking Can you identify this engine?

Post  sosam117 Mon Feb 14, 2022 6:34 pm

Here is an engine I just acquired/received from a friend.
Just want to see who would get the correct guess as to what this engine is?

Can you identify this engine? 006_en11
Can you identify this engine? 007_en13
Can you identify this engine? 004_en11
Can you identify this engine? 008_en13
Can you identify this engine? 005_en11
Can you identify this engine? 009_en10

Here is a hint:
It is a Gasuden Koken Special
sosam117
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Post  ffkiwi Tue Feb 15, 2022 12:13 am

a) An Enya 06/08/10 glow that has been retro converted to diesel-ie not a factory job-the head shape is wrong for it to be the factory diesel
b) someone playing silly buggers with a 1/4-32 thread comp screw in the glowplug hole of a glow version of the above....

ChrisM
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Thinking Re: Can you identify this engine?

Post  sosam117 Tue Feb 15, 2022 7:18 am

Your no fun Chris.

It is an Enya .10 Series #3 diesel-ized by Gasuden Koken from Japan.
He does may "special" tuning on the Enya .049 / .06 / .08 and .10 engines.

Can you identify this engine? 002_en16
Can you identify this engine? 003_en12


I currently have eleven of Dr. Gasuden Koken "special tuned" (modified) engines.
Gasuden Koken engines can be recognized by the special turned spinner on each engine.

Koken engines are prized engines to get "if" you are able to purchase one.

This engine I was able to purchase from Ken Enya when I ordered some Enya parts.
Below are the original photos that I received from Ken Enya.


Can you identify this engine? 01_eny21
Can you identify this engine? 02_eny19
Can you identify this engine? 03_eny13

I decided since this is the only one of these I have ever seen, I decided to clean it up and mount it for display.


How this engine was dieselize is interesting.

It is a normal Enya .10 Series #3 engine.
The changes are:
Between the crankcase and the piston cylinder are two (brass/copper?) shims that are 0.50mm (.02") thick.
The original glow head was turned inside to accept a contra piston.
The contra piston has a domed face on one side and on the other side it has a stem where the stem part slips into the compression screw where the center of the compression screw has been drilled out.
The compression screw has the same thread pitch as a glow plug and screwed into the glow plug hole.

It would be a simple change to convert it back to a glow engine by removing the two shims between the crankcase and piston cylinder and install an original OEM Enya glow head.

Everything else on the engine is original.
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