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Why no home made glows?

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Stewart Mason 116/01/2018 19:32:37
9 forum posts

Hi all. Just thinking out loud.

Whilst cleaning up an old OK Cub today, I got to wondering why people tend to make their own small diesel engines and not glow engines?

What do you think is the reason for that? Perhaps there are (or were) more commercially made small glows than diesels?

Cheers

Stew.

Don Fry16/01/2018 19:38:25
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2091 forum posts
26 photos

Diesels have nostalgia. Glows don't. And the people with the lathe and mill skills are more nostalgic.

It has a relationship to the thereafter.

Mike T16/01/2018 19:43:35
288 forum posts
22 photos

Also, apart from 'off the shelf' hardware like nuts and bolts, you can make all of a Diesel yourself. With a glow, you most likely end up having to buy a plug, which would probably stick in the craw a bit...

Mike T16/01/2018 19:46:29
288 forum posts
22 photos

... and not only that, but glows are so widely available and relatively cheap, why would you bother? AFAIK, the only commercially available diesels now are PAWs.

Stewart Mason 116/01/2018 19:54:50
9 forum posts

Alex Phin does the 'Red Fin' diesels, then there are the Sharma diesels, and quite a few more that have slipped from my mind, but they are still very much in production.

Mike T16/01/2018 20:03:49
288 forum posts
22 photos

Good to hear! I've not heard of Red Fin, but Sharma rings a bell. My point was that diesels are comparatively rare.

Percy Verance16/01/2018 20:12:27
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6005 forum posts
109 photos

Not so Mike T

If you ask Jon Harper nicely you can have a nice new Laser diesel. Not advertised but made to order, and have been available that way for years.

There are also the Sharma diesels too. Oh, and Enya and MVVS did produce them too (perhaps still do?). There are the Davis Diesel conversion kits from the US, available to fit many popular glow engines.....

And if you're talking rare, how about a Saito two stroke? Yep, they did produce a number of them many years ago. I spotted one being flown in a vintage job at OW a decade or two ago.

But yes I'd agree, not as widely used as glows anymore. Probably due to the little bit of additional complexity in their operation. 

 

 

 

 

Edited By Percy Verance on 16/01/2018 20:34:12

Bert16/01/2018 21:14:00
497 forum posts
7 photos

Sharma diesels are very good, I have a 1.5 and a 2.5. The prices are good too.

To get back to to topic, Mr Whittaker did his Firefly R/C glow engine as a diy project not so long ago, quite successful too, I believe.

Bert

Concorde Speedbird16/01/2018 22:53:51
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2688 forum posts
559 photos

Laser and Saito do a much better job than I could ever hope to do!

cymaz17/01/2018 06:08:43
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7330 forum posts
964 photos

IIRC, Didn’t someone build a glow engine and run it at the London modelling Exhibition??

megapixelimages.17/01/2018 07:04:52
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9 forum posts
21 photos

20180117_065258.jpg

David Davis17/01/2018 07:42:17
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2754 forum posts
460 photos

I believe that "The Aeromodeller Plans Catalogue" used to offer the drawings for a 40 or 60-sized two-stroke glow engine designed by a chap called Jones. Maybe they sold the castings too.

Jonathan M17/01/2018 09:23:43
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387 forum posts
127 photos

Chap at my club makes his own four-stroke glow twins, has been for years.

dave windymiller21/01/2018 12:22:43
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35 forum posts
33 photos

If your feeling ambitious you can try one of these, as built by a freind of a freind. Impressive rotary engine!

005 (2).jpg

cymaz21/01/2018 13:54:44
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7330 forum posts
964 photos

My flying buddy just knocked this out over a year or so

dscn0049.jpg

Kim Taylor23/01/2018 19:10:53
146 forum posts
51 photos
Posted by dave windymiller on 21/01/2018 12:22:43:

If your feeling ambitious you can try one of these, as built by a freind of a freind. Impressive rotary engine!

005 (2).jpg

Which committee designed the engine cradle!!crook

I think I can see a problemlaugh

Kim

FlyinBrian23/01/2018 19:57:34
459 forum posts

Alex Whitaker designed and built a .40 glow motor a few years ago, plans were/are available.

onetenor23/01/2018 21:25:44
1475 forum posts

Engine cradle mounts at edge of bench with prop over hanging the edge. No problem He He

dave windymiller24/01/2018 16:33:05
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35 forum posts
33 photos

"Which committee designed the engine cradle!"

Shame you didnt point this out before he built a second identical one. Instead of an impressive WW1 bomber with scale engines, the project will stall with two props hitting a table!

 

Edited By dave windymiller on 24/01/2018 16:33:28

2.4g Shaun24/01/2018 17:06:24
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17 forum posts
The Sugden Special serialised in the Aeromodeller many moons ago, although initially designed as a diesel was later modded for glow use as well.

Shaun

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