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**williame3590** · 11-23-2011, 09:50 PM

Here is a couple of engines I purchased at the swap meet. Both almost mint and the OS 80 really runs smooth with great throttle range and super low idle.
OS Max-H 80 twin plug rear induction 1967
1944 Hurricane 24 sandcast version (Canadian Eh) Toronto

Bill

**Cougar429** · 11-23-2011, 10:22 PM

Looks like you made a good find there. I too was surprised to find a Saito 125a for $60. Grabbed it if just for spares. As it is all I found was a butchered plug hole. Still searching for a fix.

Last year I bought an older Fox with dual plugs.

JKovats · 11-23-2011, 10:43 PM

I don't know anything about those old spark motors, but I'm going to learn. They are neat Bill.

guyl · 11-24-2011, 06:35 AM

Hi Cougar
RE: Butchered plug hole....you can go to a machine shop have the hole
filled with weldment than have it rebore with the proper thread. It is done
with larger holes on aluminum stock and it might just workout if you
know a good aluminum welder.
(Drill hole oversize, fill, a bit of milling to smooth out the surfaces then rebore/thread.)
Guyl

**Cougar429** · 11-24-2011, 07:46 AM

That is an option, but I'm a bit leery about what the preheating and cooling will do to the head, especially the valve area. I more prefer Timeserts, but you need the proper installation tools and hard to justify the kit for just one repair.

Anyway, a bit off topic and this is williame3590's thread.

S1Pitts · 11-24-2011, 05:51 PM

I remember Clarence Lee who wrote the engine clinic column in RCM Magazine covered how to repair the stripped plug holes. Sure wish I had my old mag collection again.

Sweet looking engines. I remember seeing that model of Enya in a Sterling Steerman bipe years ago. Nice

KR

11-23-2011, 09:50 PM	#1
williame3590 Administrator ★ Site Supporter ★ ★ Site Supporter ★★ Administrator ★ I am: William A Join Date: Mar 2006 Location: York, on Radio of choice: Futaba Feedback: 129 / 100% Posts: 10,204 Total Props: 116	Engines from the London Swap Remove this ad - become a site supporter! Here is a couple of engines I purchased at the swap meet. Both almost mint and the OS 80 really runs smooth with great throttle range and super low idle. OS Max-H 80 twin plug rear induction 1967 1944 Hurricane 24 sandcast version (Canadian Eh) Toronto Bill Attached Thumbnails __________________ ''engine hoarder''
	.

11-23-2011, 10:22 PM	#2
Cougar429 Level 3 Supporter ★ Site Supporter ★ I am: Gary L Join Date: Aug 2008 Location: Tecumseh, Ontario Feedback: 125 / 100% Posts: 8,686 Total Props: 101	Re: Engines from the London Swap Looks like you made a good find there. I too was surprised to find a Saito 125a for $60. Grabbed it if just for spares. As it is all I found was a butchered plug hole. Still searching for a fix. Last year I bought an older Fox with dual plugs. __________________ I know there's money in aviation........I put it there!
	.

11-23-2011, 10:43 PM	#3
JKovats RCC Master Contributor I am: John R Join Date: Feb 2003 Location: Cambridge Ontario Radio of choice: JR Feedback: 9 / 100% Posts: 1,286 Total Props: 20	Re: Engines from the London Swap I don't know anything about those old spark motors, but I'm going to learn. They are neat Bill. __________________ John Kovats aka Johnny Versatile MAAC 65460 Hespeler Model Aviators Inc. Cambridge Float Flyers I don't have the answers, but I have a personal relationship with the Guy that does.
	.

11-24-2011, 06:35 AM	#4
guyl RCC Contributor I am: guyl Join Date: Apr 2006 Location: Pincourt,QC (nr Mtl) Feedback: 2 / 100% Posts: 314 Total Props: 2	Re: Engines from the London Swap Hi Cougar RE: Butchered plug hole....you can go to a machine shop have the hole filled with weldment than have it rebore with the proper thread. It is done with larger holes on aluminum stock and it might just workout if you know a good aluminum welder. (Drill hole oversize, fill, a bit of milling to smooth out the surfaces then rebore/thread.) Guyl __________________ Kit builders are a dying breed
	.

11-24-2011, 07:46 AM	#5
Cougar429 Level 3 Supporter ★ Site Supporter ★ I am: Gary L Join Date: Aug 2008 Location: Tecumseh, Ontario Feedback: 125 / 100% Posts: 8,686 Total Props: 101	Re: Engines from the London Swap That is an option, but I'm a bit leery about what the preheating and cooling will do to the head, especially the valve area. I more prefer Timeserts, but you need the proper installation tools and hard to justify the kit for just one repair. Anyway, a bit off topic and this is williame3590's thread. __________________ I know there's money in aviation........I put it there!
	.

11-24-2011, 05:51 PM	#6
S1Pitts RCC Contributor I am: Ken Relkoff Join Date: Jan 2008 Location: Christina Lake, B.C. Radio of choice: PCM 10X # of RCs: 20+ Feedback: 7 / 100% Posts: 264 Total Props: 8	Re: Engines from the London Swap I remember Clarence Lee who wrote the engine clinic column in RCM Magazine covered how to repair the stripped plug holes. Sure wish I had my old mag collection again. Sweet looking engines. I remember seeing that model of Enya in a Sterling Steerman bipe years ago. Nice KR __________________ JR 10X, 8103, Galaxy 8 - Spektrum DX7 - RadioMaster TX16S Electric/Nitro Helis & Planes both indoor & out micro to 33% scale
	.

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