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Small Air Cooled Gasoline Engines

Mystery Frankenstein Engine


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  #1  
Old 12-17-2018, 05:27:46 PM
MidgetHead MidgetHead is offline
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Photo Mystery Frankenstein Engine

Hopefully this is an appropriate place for this type of engine, seemed to fit best with this forum from what I can tell.

I recently inherited what could be a fun and unique or terrible project. So far through hunting for images and information on engines I have not been able to tell anything about the parts on the engine other than it looks.. homegrown. The closest match I have seen is something from Villiers, but doubtful it would have been from the UK based on time period.

A few things I do know:
-Air Cooled
-2-Stroke
-Last time run was before 1960 (Est mid 50s)

Haven't been able to find any numbers on anything, once things warm up I want to de-grease it really good and see if there's anything numbers on any of the parts. Since there is some homegrown intake manifold to a carburetor that isn't there, it leads me to think the cylinders were originally vertical, otherwise why wouldn't gramps have just used original carbs? Thinking maybe he took the upper half of 4 scooter engines and some Frankenstein love and voila!??

Anyone good at puzzles???
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  #2  
Old 12-17-2018, 06:08:58 PM
MidgetHead MidgetHead is offline
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Default Re: Mystery Frankenstein Engine

Forgot to slip one in of the bottom. It's a bit blurry but at least you can see some detail of the exhaust ports.
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Old 12-17-2018, 07:40:41 PM
dalmatiangirl61 dalmatiangirl61 is offline
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Default Re: Mystery Frankenstein Engine

What is it installed in?
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Old 12-17-2018, 08:16:12 PM
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Default Re: Mystery Frankenstein Engine

Possibly a McCullough drone engine.
-Greg
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Old 12-17-2018, 09:14:54 PM
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Default Re: Mystery Frankenstein Engine

What is it used in. Zoom out and take some pics.
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Old 12-18-2018, 12:23:45 AM
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Talking Re: Mystery Frankenstein Engine

yes I would say that's some kind of aircraft engine
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Old 12-18-2018, 02:34:37 PM
Andrew Mackey Andrew Mackey is offline
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Thumbs up Re: Mystery Frankenstein Engine

I agree with the other posters, it is a drone engine. it was used by the military to train gunners to shoot down a flying plane. VERY INTERESTING! Sure would sound neat running I bet. it probably takes 16:1 fuel to oil ratio, and I wouldn't run it long uless you find a prop to cool the engine. You probably would find one at a model shop that deals with giant sized model aircraft, ot a fire department supply that deals with engine powered ventilating fans. I'm quite sure you could make up a manifold and find a carburetor to run it.

Sure looks like a neat find! As others have oted - is it mouted in something or is it just laying loose?
Andrew
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Old 12-27-2018, 04:49:25 AM
MidgetHead MidgetHead is offline
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Default Re: Mystery Frankenstein Engine

This may add to the mystery or make it a bust. I was hesitant to post what it was in because it was told it was two twins cobbled together (but no one knows) It is mounted in what I was told was a micro midget/quarter midget. Except the wheelbase is too long, so I dont know what this thing is. Closest guess is a TQ midget(?) But still dont know. Last est running was 1958, so the engine is pre that date.
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Old 12-28-2018, 01:25:14 AM
Ed Radtke Ed Radtke is offline
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Default Re: Mystery Frankenstein Engine

the paint on the botom view looks like homelite green.
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Old 12-28-2018, 01:39:37 PM
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John Newman Jr. John Newman Jr. is offline
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Default Re: Mystery Frankenstein Engine

Here is a 2 cylinder version being assembled.
The young lady went on to become quite famous.
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Old 01-02-2019, 07:28:39 PM
MidgetHead MidgetHead is offline
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Default Re: Mystery Frankenstein Engine

So is the thought that some of the parts are off a drone engine? Because the heads and jugs don't look like hers in the picture?

I wouldn't think gramps would get ALL different parts and put them together but I certainly am beginning to wonder. The head and jugs both look rather aerodynamic to be off a stationery engine, so I'm still wondering if it's an old motorcycle/scooter or aviation engine.

Would this topic get more traction in the Antique Gas Engines/Mystery Engines? I also might have a lead on some local ex-midget racers that are pretty knowledgeable so I might have some new information from them as well.

Thanks for all the help and suggestions so far!
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Old 01-03-2019, 01:26:21 AM
stufforbud stufforbud is offline
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Default Re: Mystery Frankenstein Engine

I had on of the 4 cyl. drones that as far as I know had never been run. I found a prop for it and built an adapter from it's 3 point mounting lugs to fit my 2" hitch receiver on my truck. It was not to difficult to adapt an old carb out of my pile to replace the fixed speed unit on the engine. Got the mag working, got the fuel pump working, mounted it on the back of the truck and tried the flip the prop and fire it up. Didn't take me long to figure out that they must have used power starters on the end of the crank as all I could get out of it was a few pops and some nearly amputated fingers. Not nearly enough flywheel effect on one of these for the firing cylinder to carry the next one thru the compression stroke.
I believe they need inertia to start. I figured I better sell while I still had all my fingers.
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Old 01-03-2019, 04:36:57 PM
CharlieB CharlieB is offline
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Default Re: Mystery Frankenstein Engine

https://www.youtube.com/watch?v=B7Bs3-mwEYA
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Old 01-03-2019, 05:30:45 PM
Ryan Anderson Ryan Anderson is offline
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Default Re: Mystery Frankenstein Engine

Quote:
Originally Posted by MidgetHead View Post
Because the heads and jugs don't look like hers in the picture?
Intentional or not, that gave me the biggest laugh of the day!
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