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Help Needed to Identify This 5 Cylinder Radial Engine

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Norman Blackburn 123/10/2019 15:02:44
5 forum posts
5 photos

dsc08717.jpgdsc08715.jpgdsc08714.jpgI have this 5 cylinder rotary engine which I would like to identify and obtain drawings to complete. The pistons are 0.820" dia with a stroke of 0.92 " giving, if my sums are right, about 40cc.

I have found a couple of photos on the internet but none give a name for the engine or designer. The designer could be a Richard Green , but he could have been the builder of the model. It was not clear from the Caption.

Any help would be appreciated

Norman Blackburndsc08713.jpg

JasonB23/10/2019 15:28:39
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Yes Richard Green Design but not sure where or if drawings are available.

one gets a mention on Model Engineering News

john feeney23/10/2019 16:25:21
22 forum posts
23 photos

Hi,

I have built one of these and have the drawings somewhere, and yes it`s designed by Richard Green.

The drawing are at least 30 years so not sure how well they would copy. I found the most frustrating part was the inlet pipework. Let me know if I can be of assistance.

Regards,

John Feeney

Norman Blackburn 124/10/2019 08:22:50
5 forum posts
5 photos

Thanks for your replies. I was on the right track trying to identify this engine. John, I would be most interested in getting copies of the drawings as It would give me an indication of the work remaining. The parts I have look reasonably well made and it would be a pity not to do something with them.

Do you have any photos of the completed engine that you could post?

Many thanks

Norman Blackburn

vintage engineer24/10/2019 10:05:04
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189 forum posts
1 photos

Conrods look an odd design.

Edited By vintage engineer on 24/10/2019 10:05:43

Emgee24/10/2019 10:13:51
1240 forum posts
210 photos

Norman

The engine is called RADIAN , picture below of the one I built.

Check your Message Inbox on the top of page.

,Emgee

.

radian 3qtr front.jpg

 

 

Edited By Emgee on 24/10/2019 10:32:27 typos

Edited By Emgee on 24/10/2019 10:33:07

JasonB24/10/2019 10:34:08
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Photo from the report of the 58th ME show 88/89

radian1.jpg

Was it featured in one of the mags or did he just sell drawings direct?

Emgee24/10/2019 13:12:56
1240 forum posts
210 photos

Jason

Bought my plans direct from the designer in the early 1990's, don't recall any mag article but no doubt someone with ME and EIM indexes will correct me.

Emgee

dean clarke 229/10/2019 01:40:07
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155 forum posts
330 photos

If at all possible I'd like to beg, borrow, steal or buy a copy of these drawings to please.

cheers

Dean

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