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Rookie with IHC M


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  #1  
Old 02-01-2019, 07:13:32 AM
Dobbo56 Dobbo56 is offline
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Photo Rookie with IHC M

Hi all I am a rookie to this site and to stationary engines.
I have recently come in procession of a IHC M engine via my step son and don't know it's age or what horsepower. All I know is it, since the identification plate has been purloined from it all can I tell you about it is it has IHC and 9700T cast in the block. It has a 3 valve carby (gas, kero, water) and a Bosch FX1-ED1 magneto, there is no spark. It is also missing the oil dripper and tube. The valve rocker arm is broken. Can anyone help with identifying what hp and if I can obtain a replacement rocker arm?
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  #2  
Old 02-01-2019, 03:14:53 PM
TekNik TekNik is offline
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Default Re: Rookie with IHC M

Welcome to the Stak!
You've come to the right place to find information on that engine.

If you could please post a picture of the head of the engine, I would be able to tell you what horsepower it is.

Occasionally, you can find parts for iHC M engines on EBay.

Have fun!

TekNik
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Old 02-01-2019, 05:07:55 PM
Scotty 2 Scotty 2 is offline
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Default Re: Rookie with IHC M

Hello Dobba
You (or your son in law) certainly picked a winner for a first engine. That magneto configuration is quite unusual to find and the engine seems to be in amasing condition overall.

I don't know why your thread was moved as you'd get local help if it was still in the down under section. Maybe ask a moderator to move it back.

The hp of your engine can be found easily by the flywheel diameter.
The rocker arm you need can be found easily in Australia and I know 2 people who would, more then likely, have them at hand.
I wouldn't worry too much about the no spark yet as those magnetos are fair dinkum dandies. I wouldn't mind betting it's dirty points or dirty slip ring or bad grounding somewhere (more likely inside the magneto) that's stopping the spark. I'd be surprised if it had to be rewound.

As for date I reckon your engine is around 1922-1924 because of the magneto type. The hp will play into the build year. I'm guessing it's a 1 1/2hp because of the size of the engine compared to the size of the magneto. If it's a 1 1/2, then 1923-1924.
Your engine has some nice features like the gib key guard on the crank side.

Cheers Scott
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Old 02-01-2019, 07:20:14 PM
Dobbo56 Dobbo56 is offline
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Default Re: Rookie with IHC M

TekNik and Scotty2
Thanks for reply
I have photo of head attached
Flywheel diameter 540mm
Crankshaft dia 45mm
Crank centre to head 520mm
There is a number cast in the flywheel H787 is this the part number or serial number????
Cheers Dobbo56
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Old 02-01-2019, 08:31:55 PM
Scotty 2 Scotty 2 is offline
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Default Re: Rookie with IHC M

Quote:
Originally Posted by Dobbo56 View Post
There is a number cast in the flywheel H787 is this the part number or serial number????
Part number only. The only place a serial number is on these is on that missing plate.

Measure the crank diameter. If it's 1 1/4 inches then it's a 1 1/2hp engine. If the crank is 1 3/4, then it's a 3hp.
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Old 02-01-2019, 09:22:12 PM
rodneyt rodneyt is offline
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Default Re: Rookie with IHC M

measurements seem to match 3hp.

its a bit hard to read in this reprint book i got, but it when compare the 'S' digits to the other fractions digits, it matches 1/2 and does not match 1/4 for a 1 and half inch crank, which matches 45mm. flywheel also closest to 3hp.

pictures of head are small, hard to pick differences from 1.5 to 3hp, but best match is also 3hp. this is actually a very good book with all sorts of info. it is edition specifically for the Wico versions of these motors, you need a book to suit your maggy type.

i have about 3/4 of a 3hp, got a sound hulk off scrap heap about 20 years ago,
bought a few of the add-on bits from other parts collections and the net,
then got distracted by Rotavators.
give me another 10 years and i might get back to it.
my approximate measurements are very close to yours.

great that you have such an almost complete motor, dont rush anything, your parts will turn up eventually, the treasure hunt, fixing and making, is all part of the fun.

cheers Rod.
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Old 02-01-2019, 09:37:03 PM
rodneyt rodneyt is offline
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Default Re: Rookie with IHC M

the maggy should have a serial number with its ID.
if several other owners of same-maggy-type same model engines could share their maggy serial numbers matched with engine numbers, we could eventually guess an approximate ballpark number / date for this motor.
a 'numbers and letters' game, rusty iron version.
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Old 02-01-2019, 09:38:54 PM
flatbeltuzr flatbeltuzr is offline
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Default Re: Rookie with IHC M

3hp, Very desirable engine here in the states. Hope you get it going.
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Old 02-02-2019, 05:13:16 AM
Scotty 2 Scotty 2 is offline
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Default Re: Rookie with IHC M

Quote:
Originally Posted by flatbeltuzr View Post
3hp, Very desirable engine here in the states. Hope you get it going.
I honesty don't think it'll need much at all to get it running. A good going over and find that rocker arm. They're easy enough to find. If you get stuck I'll ask around for you.
You don't see many of the rotary magneto versions over here either. It is definitely a nice engine to have.

Cheers Scott
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Old 02-02-2019, 06:31:00 AM
Merv C Merv C is offline
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Default Re: Rookie with IHC M

Scotty, that should be the American Bosch S magneto They are quite rare They were introduced in 1923 and ran along with the Wico EK. The Bosch was used until 1932. Without the serial number there not much chance of dating them and If it is not the original mag then that isn't much help either.
The Americans on here will know more about that.

Merv
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