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Old Aug 22, 2010, 09:25 AM
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Gluehand's Avatar
The windy west coast of Sweden
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This is the following generation of the same engine.
It has such a fragile feel......I wouldn't "Fly Right Into Ground" with it....

Beautiful engines though...
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Old Aug 22, 2010, 02:53 PM
Voices through wires? Ha!
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So guys, what are the attachments on the backplate for? some kind of timer/pressure release? Might be the Acronym Selector Switch?
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Old Aug 22, 2010, 06:43 PM
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Ajax, Ontario, Canada
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Integral fuel tank - feed and vent. Engine shown - Frog 100 Mk2 - is set up for inverted running (as supplied from the factory) the other cap usually having a spring loaded fuel cut-off which was more trouble than it was worth .... Both caps could be switched for upright mountin, of course.
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Old Aug 23, 2010, 01:36 AM
Voices through wires? Ha!
Chas's Avatar
Joined Feb 2003
1,659 Posts
Thanks, Apple - I couldn't see how they would machine the case if a tank was in there, as it appears to be only the front bearing assembly closing off the crankcase - but I guess that circular plate on the back is some sort of press-fit to form the tank.
Two diametrically opposed bolts, crossing the exhaust, holding it all together! Character-building!
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Old Aug 23, 2010, 05:52 AM
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Yes

You should go to the trouble of making a piston and your plane doesnt move , thats character building
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Old Aug 24, 2010, 04:15 AM
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United Kingdom, England, Brighton
Joined Apr 2007
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Small Diesel Engines in Production

Are there any diesels of between 4.5cc and 5.0cc still in production anywhere today? I'm aware of the Clan 0.48 and the PAW 0.55. Is there anything else comparable to the ED Baby, DC Dart etc. that is produced in volume?

(The MP Jet 040 is 0.6cc but comes close, and the Boddo CS Mills 0.5 is no more).

Regards,

DB
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Old Aug 24, 2010, 05:22 AM
Sir Jasper
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Christchurch - New Zealand
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Here are some . . . .

Mark
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Old Aug 25, 2010, 07:10 PM
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Gluehand's Avatar
The windy west coast of Sweden
Joined Sep 2008
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New member of the family

"Refining" my so called collection.....sold a couple of less interesting (to me) engines, and a new guy moves in....this ED 1.46 Hornet...


A question to you all:
What do you consider beeing the most appropriate model - in all senses - for this engine...?
(I have an idea, but I'll keep it to myself for a while...)


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Old Aug 25, 2010, 07:13 PM
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Mt Evelyn, Melbourne, OZ
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Mercury Matador plan shows a Hornet.
Anything that takes a Bee will fit the Hornet, just s little bit more pep and a shorter run on the tank.
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Old Aug 25, 2010, 08:09 PM
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Canada, ON, Hamilton
Joined Oct 2005
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zl3vml, thanks for the updates. MVVs still has a .40 and .60 diesel.

Davis diesel heads come for many newer engines.

More info here,
http://www.davisdieseldevelopment.com/gallery/index.htm

Enya makes a .25
http://www.enya-engine.com/store/ind...326e97bbad1659
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Old Aug 25, 2010, 08:15 PM
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Canada, ON, Hamilton
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Gluehand, how much power is available? Give us a prop size and rpm ( ie with an 8x4 at 10k), wing area and weight and I'll give you a PF. That way you can get an idea of just how big and heavy you can go with the power.
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Old Aug 25, 2010, 10:19 PM
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Gold Coast Australia.
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Quote:
Originally Posted by Gluehand View Post
"Refining" my so called collection.....sold a couple of less interesting (to me) engines, and a new guy moves in....this ED 1.46 Hornet...


A question to you all:
What do you consider beeing the most appropriate model - in all senses - for this engine...?
(I have an idea, but I'll keep it to myself for a while...)


If you want a competition type model a Stomper or Eliminator might do the trick, or if 'for fun' a Madcap or 44in Tomboy would be good.

There are a lot of UK models of the Hornet era that would suit.
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Old Aug 26, 2010, 03:07 AM
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The windy west coast of Sweden
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Quote:
Gluehand, how much power is available?
If we are to beleive old test results, the ED Hornet is a fairly typical "sport" 1.5 cc diesel of its time.
Apart from leaving max. BHP at a slightly lower than average RPM, it doesn't really stand out from its contemporary "mates"....

-----------------------BHP---RPM
Frog 1.49 reed valve .122 / 12750
Frog 150 .120 / 13000
Allbon Sabre .120 / 13000
ED Hornet .148 / 10500
AM 15 .152 / 14000
Elfin 149 BB .158 / 13600
Taipan 1.5 cc .120 / 11250


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Old Aug 26, 2010, 03:54 AM
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dover, kent, UK
Joined Apr 2003
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My brother's hornet flew the kk Phantom very well indeed in about 1956 and for a very short time I used it to fly leo shulman's banshee allbeit about 7 or 8 years ago.
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Old Aug 26, 2010, 05:18 AM
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Has anyone ever run one of those soft "Jello" Keil Kraft Tru-Flex propellers? Obviously, you wouldn't try it on a PAW Combat Special, but are they OK for the slow revving engines from the same era, eg. ED Comp. Special? I presume that they were just as floppy back in the early 1950's as they are now. BOB
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