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Author Topic: Anyone familier with this engine  (Read 1940 times)

Offline Richard Logston

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Anyone familier with this engine
« on: March 02, 2016, 04:55:36 PM »
This is a Class C .35 size engine ( Buzz). I was given this engine many years ago. For something to do I though I'd like to run it. The plug you see is an old glow plug. I remember seeing these engines advertised in model mag's years ago. Price was cheap so engines were probably not the best quality. As I remember they ran from 19 all the way up to 60 size. My engine is missing the drive washer. Picture shows a slot in the crank shaft to secure the drive washer from spinning on shaft. Whoever had the engine before me added three brass washers in place of original drive washer. It feels like it has fair compression. It has a couple broken pc's on top of cyl. Anyone ever run one? Richard
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Offline Tim Wescott

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Re: Anyone familier with this engine
« Reply #1 on: March 02, 2016, 05:00:27 PM »
I think that's one of the slag engines.  If it is, it has a steel piston running in the aluminum crank case, and it won't last long once you get it running.
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Offline Robert Zambelli

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Re: Anyone familier with this engine
« Reply #2 on: March 02, 2016, 05:16:32 PM »
Indeed, a slag engine.

Rumor was, you could break them in and wear them out in the same flight.  LL~   LL~

As I recall, there were other slags: Rogers, Genie, Thor, RAM, maybe more.

Want to see some more pictures of them?

  Bob Z.
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Offline Brett Buck

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Re: Anyone familier with this engine
« Reply #3 on: March 02, 2016, 05:27:20 PM »
Quote from: Robert Zambelli on March 02, 2016, 05:16:32 PM
Indeed, a slag engine.

Rumor was, you could break them in and wear them out in the same flight.  LL~   LL~

As I recall, there were other slags: Rogers, Genie, Thor, RAM, maybe more.

  GHQ

    Brett
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Offline Robert Zambelli

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Re: Anyone familier with this engine
« Reply #4 on: March 02, 2016, 09:44:58 PM »
GHQ was not a slag engine.

Cast iron cylinder, steel piston.

  Bob Z.
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Offline Steve Helmick

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« Reply #5 on: March 03, 2016, 03:43:59 PM »
Quote from: Robert Zambelli on March 02, 2016, 09:44:58 PM
GHQ was not a slag engine.

Cast iron cylinder, steel piston.

  Bob Z.

No, but it was a POS!  FWIW, I was at the Sierra Eagles field sometime in the 1980's for a "Sierra Cup". Downwind, some local guy was flying an R/C Taibi "Powerhouse". It went straight up in an obscene display of horsepower. I asked one of the local guys about it. He said it was powered by a GHQ...one that had spent months, with mega-bucks spent, on Bill Wisnewski's best efforts. That guy was a genius.  y1 Steve
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Offline Tim Wescott

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Re: .
« Reply #6 on: March 03, 2016, 04:26:20 PM »
Quote from: Steve Helmick on March 03, 2016, 03:43:59 PM
No, but it was a POS!  FWIW, I was at the Sierra Eagles field sometime in the 1980's for a "Sierra Cup". Downwind, some local guy was flying an R/C Taibi "Powerhouse". It went straight up in an obscene display of horsepower. I asked one of the local guys about it. He said it was powered by a GHQ...one that had spent months, with mega-bucks spent, on Bill Wisnewski's best efforts. That guy was a genius.  y1 Steve

The story that I heard was that the original design was good, but the designer sold it to American Hobby Center, who built it cheaply.  So after it's blueprinted, it's a fairly good engine.
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Offline Russell Shaffer

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Re: Anyone familier with this engine
« Reply #7 on: March 03, 2016, 05:48:55 PM »
Tim, did you ever run that antique from Ebay?
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Offline Chris Wilson

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Re: Anyone familier with this engine
« Reply #8 on: March 03, 2016, 06:04:32 PM »
Yep slag engine but maybe one of the better ones because they "give a guarantee of at least 5 years."

And this -
http://www.rcgroups.com/forums/showthread.php?t=1789559
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Offline Richard Logston

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Re: Anyone familier with this engine
« Reply #9 on: March 04, 2016, 10:55:44 AM »
I forgot that I had posted the Buzz 35 on RCU back in 2009. Briggs/ Stratten made cheap lawnmower type engines with the aluminum cyl. Would start to smoke after a few hrs running. They later used a steel liner, a big improvement.Richard
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Offline FLOYD CARTER

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Re: Anyone familier with this engine
« Reply #10 on: March 04, 2016, 11:14:30 AM »
The GHQ is a poorly-built copy of the earlier Loutrel engine.  Some of the GHQ engines actually ran!  I had one which would run.  It turned a 12-6 wood prop at about 5K RPM.  Heavy as they could make it!

People have rebuilt these engines with a custom piston and a con rod which would last. 

Floyd
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