May 26, 2009, 12:50 PM
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A very powerful but unforgiving engine.I believe this is the Appleton version.
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May 26, 2009, 12:52 PM
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Ian Easton's Avatar
Snorks, Yours is a Super Merlin as it has the red anodized head and now the correct spinner. I bought a new one about 1974ish. It's a great engine and still runs well. I did send it back once to DC where it was given a rebore and nrew piston.
May 26, 2009, 12:52 PM
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Elfin plain bearing. I love this one like a brother... easy handling, powerful, but a little thirsty for a 1.5.
May 26, 2009, 12:53 PM
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My Silver Swallow was bought in 1989. I fitted a PAW silencer & throttle then used it to power an enlarge Frankenstien & later in a Veron Robot. It starts easily enough & the power was OK for the Robot but too much for Frankie. Throttle was from a Thunder Tigre 25 (guttless OS clone version) & worked very well. The silencer was sealed with heat proof epoxy between it's bottom edge & the crankcase.
Tachoed it at 10000 rpm with both an 8x6 & 9x4 Graupner grey, 7200 rpm with a 10x6. IMO a decent moderate power, lightweight sport 2.5cc engine.
May 26, 2009, 01:02 PM
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I love this engine. was given to me by a boss. Docile & a good sports engine. taipan 2.5 plain bng.
May 26, 2009, 01:22 PM
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Small size DC collection plus a throttled ME Heron.
DC Wildcat & Eta 29.
May 26, 2009, 06:12 PM
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Airboatflyingshp's Avatar
Ive one of these a Russian made MK17... fantastic little howler of a motor easy to start and reputedly runs well on a carb. Also 2 PAW 2.49s and 2 head conversions for 40 size OS fp/FSR motors.
Last edited by Airboatflyingshp; May 26, 2009 at 06:18 PM.
May 26, 2009, 06:42 PM
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>A very powerful but unforgiving engine

Yet I found it to be very powerful but docile and easy to handle.

Of course, if you don't like it .... and it's unloved ....
May 26, 2009, 07:09 PM
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Cox 0.09 (1.5 cc) Diesel

This is one of my favourite little engines.
The Cox .09 glow had a conversion head made by Davis Diesel Development Inc. The glow version,on mild fuel (10%) , using a glow plug adapter and swinging a 7x4 prop was happy at 16,000 rpm. On diesel, 8x4, 9,000 rpm.
Take your pick, speed or torque.
May 26, 2009, 07:20 PM
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Cox 0.09 glow vs Cox 0.09 Diesel

Cox 0.09 with Cox 0.01 TD for size coparison.

Cox 0.09 Diesel with new version of Cox 0.09 TD glow with stock carb and muffler. Above TD on glow had an after market Taro carb, otherwise identical engines.

Power???? The Cox 0.09 will pull a Wild Thing, 350 square inch wing area, and all up weight 30 oz, almost straight up. In the same airplane it is faster than an Enya .15 powered competitor.

Are they made well? I think so. Hundreds of runs and still going strong. No loss in compression, just reset the rod in the piston now and again.
May 27, 2009, 08:31 AM
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Airboatflyingshp's Avatar
The little TD is a jewel, my OS 40 conversions are a Davies uses an allen key and the other is anodised blue nicely made, but more traditional in that it has a tommy bar adjuster for the contra piston and locking arm it came from the States.
May 27, 2009, 10:04 AM
Registered User
My all time favourite small diesel has to be the Barbini B38 1cc of which I have 2 examples 1 NIB and 1 in use, it turns a 7X5" wood zinger around 13,000rpm. But as can be seen in the instruction leaflet max power is 18,000rpm - puts it in the 1cc MPJET class not bad for a mid 50's design.
May 27, 2009, 11:44 AM
F1B is ok.


The smallest "Webra" Diesel-Engine "Piccolo" 0,8 ccm

May 27, 2009, 12:04 PM
Registered User
What model is that Heinz? & whats going on with the T piece on the fuel line?
May 27, 2009, 12:50 PM
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Gluehand's Avatar
Originally Posted by Snorks
What model is that Heinz? & whats going on with the T piece on the fuel line?
A wild guess: The T-piece connects to an airbleed cut-off (timer) ....

This is the nicest version of Piccolo....later on they became more chunky....

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