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I need help with engine ID and advice.

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Old 01-02-2018, 01:47 PM
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lvseicsh
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Default I need help with engine ID and advice.

Thanks in advance for any advice/ID you folks can muster.

My good friend Buddy passed away a few years ago and I ended up with a few of his engines. I only fly electrics and don't even have the slightest clue how to start one of these. I'm thinking of selling it since I don't know anything about them, but I don't know how to describe it. Here are some pictures below.

Thanks again.
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Old 01-02-2018, 03:33 PM
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It looks like a converted weed eater or chain saw motor IMHO. There are several home made parts on it. It's also pretty old. That linkage that advances the timing is not used with electronic ignition now days.
Sorry I can't be more help.

David
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Old 01-02-2018, 04:02 PM
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All Day Dan
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It's a Mahle cylinder with a 40mm bore. Probably an early version or copy cat of a Brison. It has mechanical advance with a CH ignition. I doubt if it has any value except as a collector item. Maybe a 2.4 cubic inch, Dan.
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Old 01-02-2018, 06:42 PM
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send a photo to CH and ask them

Jim
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Old 01-03-2018, 04:39 AM
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Originally Posted by All Day Dan View Post
It's a Mahle cylinder with a 40mm bore. Probably an early version or copy cat of a Brison. It has mechanical advance with a CH ignition. I doubt if it has any value except as a collector item. Maybe a 2.4 cubic inch, Dan.
Thank you so much Dan.
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Old 01-03-2018, 04:40 AM
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Originally Posted by the Wasp View Post
send a photo to CH and ask them

Jim
Great idea. thanks,
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Old 01-03-2018, 06:50 PM
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you know, if you put a new CH ignition on it I bet it would make a good engine

Jim
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Old 01-03-2018, 07:25 PM
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Originally Posted by the Wasp View Post
you know, if you put a new CH ignition on it I bet it would make a good engine

Jim
Thanks Jim,
I'll search for a gas engines 101 thread to help me get this thing started. Any idea what size prop I'd need?

Leo
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Old 01-03-2018, 07:34 PM
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18X10. I used that on the real Brison 2.4, Dan
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Old 01-04-2018, 08:17 AM
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Originally Posted by All Day Dan View Post
18X10. I used that on the real Brison 2.4, Dan
Thanks Dan.

Can someone point me to a Gas Engine 101 website? I'm really starting from scratch here. I took a look at the CH Ignitions website and I'm lost. I've been flying electrics for 20 years (Astro Flight Cobalt 05 days) , and I've had a few glow planes, but the ignition stuff scares me.

--Leo
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Old 01-04-2018, 09:34 AM
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I don't believe this is a 2.4 as the exhaust bolts are not on a diagonal but are straight across. Also the fin arrangement is quite different than the Sachs 2.4. I've lost my list of cylinder numbers though so don't know what it is. I still own (3) Brison 2.4 for comparison.
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Old 01-04-2018, 11:49 AM
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All Day Dan
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Good points Truck. I just noticed that. Dan.
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Old 01-04-2018, 11:55 AM
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Dan, I misplaced my list of all the common Sachs type cylinders from 2.4 thru 5.8. Do you or does anybody have a list they could send me?
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Old 01-04-2018, 01:27 PM
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I only know about the Brisons. Not the others that Mahle made.
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Old 01-04-2018, 05:23 PM
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The front of cylinder head has a "V", and below that "W2", and below that on the base "40ZN21".

The back has a D**

The top, near the spark plug has this configuration:
0 - 5
5 B 8

I hope that helps!
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Old 01-09-2018, 07:38 PM
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I have the same engine , it is a Walker 2.4 The offset crank case bolt is a dead give away of the Walker then later A&M engines.
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