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Antique Gas Engine Discussion Meet collectors of hit and miss engines, ask questions about collecting, restoring and showing antique flywheel engines.

Antique Gas Engine Discussion

Hercules 2 HP - My first hit-n-miss!


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  #1  
Old 11-04-2017, 12:07:52 PM
joegeds joegeds is offline
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Default Hercules 2 HP - My first hit-n-miss!

Very happy that I have my first hit-n-miss to work on. It's pretty rusty, was mildly seized (It broke loose with WD40). Many of the nuts/bolts are really rusted tight and I was wondering if there is any danger to just immersing the entire thing in an electrolysis bath first. Is there any damage that could be done to it?
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  #2  
Old 11-04-2017, 12:20:02 PM
Jeremy Hartle Jeremy Hartle is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

You can but electrolis works on line of sight. I think it would be difficult to do a whole engine.A little heat will go a long way for removing nuts. Post some pictures.
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Old 11-04-2017, 12:24:56 PM
Pat Barrett Pat Barrett is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

WD 40 is good on some things, but get a better penetrant, such as PB Blaster, CRC Knocker Loose, Kroil, And, secondly, don't rush anything, spray and allow it to penetrate. Others here may suggest other good penetrants, as well. Was in the Seabee's with two from your town, one a Grigsby, one a Chichini. May not have spelled the last one correctly.
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Old 11-04-2017, 05:38:07 PM
G.M.Johnson G.M.Johnson is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

Dude, welcome to the hobby! That's where it starts, you pick up your first engine, and then before you know it your addicted and have a garage full of them!
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  #5  
Old 11-06-2017, 07:59:01 AM
joegeds joegeds is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

I finally was able to disassemble the engine (almost completely). As it turned out, it wasn't rusted as badly as I thought. There are remnants of light blue paint, so it might be a Jaeger? The tag says Engine No. 292929. RPM 550 H.P. 2FW. The one part I could not remove from the main block is the timing gear. There is a nut on the inner-side of the shaft it spins on, and when I turn it, it just spins the shaft. As far as missing/broken pieces, the Wico EK magneto , the gas tank is toast, one of the bearings for the piston arm is broken in two pieces, the bracket for the magneto is broken, and a part that connects to the push rod is broken off - but I think I have most of the broken off part. The piston, rings, and bore all look great. The head looks OK, but one or both valves might need replacing - i"ll know for sure when I'm done removing rust and cleaning. All of the above will be shown in pics as i post them this morning. One thing i cannot find is an exploded parts diagram - specifically of the push-rod assembly and how it interacts with the magneto. Now for pics
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Old 11-06-2017, 08:03:24 AM
joegeds joegeds is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

First pic is the tag. Second pic is whats left of the Hercules logo and some blue paint. Third pic is the broken-off piece that connects to pushrod. Fourth pic is from one one of the engine.
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Old 11-06-2017, 08:08:54 AM
joegeds joegeds is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

First pic: The broken connecting arm bearing
Second pic: Many shims used on the crankshaft bearings. Are these necessary?
Third pic: The inside of the head.
Fourth pic: The timing gear/pushrod assembly.
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Old 11-06-2017, 08:13:56 AM
joegeds joegeds is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

First pic: Inside of bore
Second pic: Broken piece from push rod that "trips" the magneto. i need details of this piece.
Third pic: Dis-assembled pieces.
Fourth pic: The broken piece that holds the Magneto.
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  #9  
Old 11-06-2017, 08:15:26 AM
joegeds joegeds is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

I have many other pics, so if you have any questions as to other parts, let me know.
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  #10  
Old 11-06-2017, 09:05:25 AM
Kevin O. Pulver Kevin O. Pulver is offline
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Default Re: Hercules 2 HP - My first hit-n-miss!

Congratulations on your first engine!
If you go to www.Herculesengines.com you can read original parts manuals that have exploded parts schematics.
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