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Old May 17, 2011, 07:38 PM
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I remember the after market carbs. I had (may still have) a Super Tiger carb made for the McCoy Red Head .19. Took a gutless wonder and made it into a low speed fan. Also have a Fox .59 with a Johnson Automix carb. Actually did a fairly good job. I think it was one of the first to effectively control fuel flow though the whole RPM range. It was quite a kick flying it on a Sterling Frumman Guardian with a J. Roberts 3 line system.

I also had a couple Champion glow plugs. I think they lasted far more flights than anything I get today. Ame as the old O. K. Cub plugs. Long life.
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Old May 17, 2011, 08:23 PM
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Quote:
Took a gutless wonder and made it into a low speed fan.
I think you just coined a new phrase. I like it.
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Old May 17, 2011, 08:50 PM
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Thanks! I'll let it be absorbed into public domain.
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Old May 18, 2011, 09:38 PM
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Engine Test of the Enya 19 Model 4002. The aerodynamics page, whilst not strictly related to glow engines, gives the best explanations I've seen - I've often wondered when reading about P 51 Mustang's what a laminar flow wing actually meant. BOB
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Old May 18, 2011, 10:13 PM
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Old May 19, 2011, 12:00 AM
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Atwood Glo-Devil

Mainly for the benefit of any newbies, here is a Bill Atwood designed, 1948 Glo-Devil of 0.625 in. capacity. What makes these engines unique is the induction system - by both front shaft rotary AND rear drum ! The single induction gas passage feeding both inlets was, I guess, one solution (pre-Schnuerle) of how to stuff more fuel mix into the cylinder ! The late, great Peter Chinn was very impressed with these motors - in his 1963 article entitled "Outstanding Engines" (Model Aircraft June '63) he said - (Quote) "One of our own favourites of this period was the Atwood Champion. This engine had twin rotary-valves, a crankpin driven drum valve at the back and, fed from a passage cast in the bottom of the crankcase, a shaft valve at the front. We doubt whether the extra rotary-valve was the real secret of its performance but, especially in its later (1948) Model DR "Glo-Devil" version, this 10.26 cc engine had tremendous urge. We still recall being staggered by its performance on test : with the greatest of ease it put out over 0.90 b.h.p. on straight alcohol a day or two after we had been struggling to get 0.60 b.h.p. from a so-called racing 10 cc engine. The Atwood was the engine used by Harold deBolt's 5-ft. Stuntwagon (the original short-coupled C/L stunt model) which, to quote contemporary claims, it towed around at a cool 102 m.p.h."
During the early 1960's, a similar type of dual induction "kit" (basically a backplate with a rear induction system) could be retro-fitted to a front induction engine - see below. BOB
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Old May 20, 2011, 09:31 PM
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More stuff -
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Old May 20, 2011, 09:44 PM
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Old May 21, 2011, 08:06 PM
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Some early Fuji's from 1955 - the racing 29 has the rear induction
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Old May 22, 2011, 04:16 AM
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And also -
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Old May 22, 2011, 09:55 PM
Time for me to Fly...
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Well it's not a glow engine and the price is unaffordable for most engine collectors but it is a really cool model airplane engine. I bet most of us would love to have one. I know I would. Take a look. Oh and be sure to scroll down and see all of the photos and the video.
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Old May 22, 2011, 10:11 PM
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Drool! I find CO2 motors to be quite a relaxing powerplant. I have 4 single cylinder ones myself. Wish I had about 5 grand unencumbered to make an offer.
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Old May 23, 2011, 06:49 AM
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The Compressed air or CO2 engines are really fascinating. Gasparin has made so many cool engines over the years too.
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Old May 23, 2011, 08:34 AM
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That's an awful lot of money for a Gasparin CO2,
Once had the 18cyl. double row rotary engine in my collection.
It was the first example Stephan Gasparin has made.
Sold it aprox. 2or3 years ago to my collector/friend Reggy
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Old May 23, 2011, 09:08 AM
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Quote:
Originally Posted by 50+AirYears View Post
I remember the after market carbs. I had (may still have) a Super Tiger carb made for the McCoy Red Head .19. Took a gutless wonder and made it into a low speed fan. Also have a Fox .59 with a Johnson Automix carb. Actually did a fairly good job. I think it was one of the first to effectively control fuel flow though the whole RPM range. It was quite a kick flying it on a Sterling Frumman Guardian with a J. Roberts 3 line system.

I also had a couple Champion glow plugs. I think they lasted far more flights than anything I get today. Ame as the old O. K. Cub plugs. Long life.
I recently received about 10 of the Champion glow plugs from a friend, they all work but I have not tried any in an engine yet. Very cool little bugger's!

Bill
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