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Old Aug 13, 2007, 03:49 PM
woody429924 is offline
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Discussion

Are GMS motors any good?


I'm looking on Tower, and these GMS motors are CHEAP! Are they any good? I really don't need high performance. I just fly sport planes like the Hangar-9 warbirds and such. Are these any good? or am going to be constantly cursing it trying to get it to run. So far, I have only used O.S. motors, so am I going to be able to put up with these?
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Old Aug 13, 2007, 03:57 PM
Viper Pilot is offline
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God is good
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Engines, man, e-n-g-i-n-e-s.
Old Aug 13, 2007, 04:01 PM
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Yeah I know. Habit. I've been electric for so long. Anyways, are these ENGINES any good?
Old Aug 13, 2007, 10:24 PM
littlewing78 is offline
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I meant to do that
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I have the GMS .47 and its great.
Old Aug 14, 2007, 06:34 AM
Belgarath is offline
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I have a GMS .61 and it too is great, starts easy, and is a reliable running...engine.:-)
Old Aug 14, 2007, 12:31 PM
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I have a GMS 32 on my SPAD and it runs like a champ and starts with one flick every time.

Actually, it runs so good I am thinking of getting their 1.20 size.


Quote:
Originally Posted by woody429924
I'm looking on Tower, and these GMS motors are CHEAP! Are they any good? I really don't need high performance. I just fly sport planes like the Hangar-9 warbirds and such. Are these any good? or am going to be constantly cursing it trying to get it to run. So far, I have only used O.S. motors, so am I going to be able to put up with these?
Old Aug 14, 2007, 12:53 PM
ivanc is offline
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Quote:
Originally Posted by Daverp
I have a GMS 32 on my SPAD and it runs like a champ and starts with one flick every time.

Actually, it runs so good I am thinking of getting their 1.20 size.
Same here. I think Dave may have made his decision to get the GMS 32 based on the fact that I've been using one in a SPAD for more than 2 years.

Ivan
Old Aug 14, 2007, 01:01 PM
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I have two .47's and they are great. Plenty of power and low reliable idle.
Old Aug 14, 2007, 01:04 PM
woody429924 is offline
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Thanks guys. I just order the .76 for my Camel.
Old Aug 17, 2007, 02:06 AM
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Where's the lift?
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I've had two GMS 76 engines. Wonderful powerplants. Lots of power, quick break-in, good idle, ruggedly built. Well worth the coin, imo.
Old Aug 18, 2007, 06:25 AM
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Quote:
Originally Posted by dgliderguy
I've had two GMS 76 engines. Wonderful powerplants. Lots of power, quick break-in, good idle, ruggedly built. Well worth the coin, imo.
Thank you. That is nice to hear after a guy at my field gave me his "you get what you pay for" rant on these engines. He won't fly anything other than O.S., even Thunder Tiger (which I think is funny because TT and OS are the same engines!). I just want a reliable power-plant to make my Sunday sport flying fun.
Old Aug 18, 2007, 11:42 AM
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Woody,

This is where these forums are so valuable to us as consumers. You need to hear a variety of opinions, based on a wide variety of different experiences, to weed out the anomalies. In addition, some guys are stubborn in their biases, and even when confronted with someone who has had nothing but success, they will refuse to accept it. You can tell them by the way they look at the ground and shake their head rather than listening and absorbing.

I've run into a lot of guys who think OS engines are the only engines worth owning. I have a number of them, and they all run great. But, so do all of my Magnum engines. Try telling them that, though, and they pop a blood vessel trying to convince you how wrong you are. What a thing, eh? Some people.

I can tell you that I have heard many good things from a variety of people about GMS engines in my travels, and that my personal experiences with them have been very favorable. I have a NIB GMS 25 just waiting for its project (Minicraft Rivets scale pylon racer)to come to the surface. Buy with confidence.
Old Aug 20, 2007, 01:34 PM
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Quote:
Originally Posted by woody429924
Thank you. That is nice to hear after a guy at my field gave me his "you get what you pay for" rant on these engines. He won't fly anything other than O.S., even Thunder Tiger (which I think is funny because TT and OS are the same engines!). I just want a reliable power-plant to make my Sunday sport flying fun.
I like Thunder Tiger engines just fine, but I would not say they are any more the same engine as an OS than the GMS is.
They are all pretty similar, but all of the parts are not interchangable.
Old Aug 20, 2007, 03:00 PM
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As with radios, it's impossible to buy a BAD(ly designed) set. Poor examples do slip through with solder blobs (radio), Machining garbage in the crankcase (engines) and sloppy glue joints (ARFS). Aren't we lucky!!

howell
Old Aug 30, 2007, 03:05 AM
Steve Benesh is offline
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My GMS 76 engine is just awful. Numerous flameouts, no power, inconsistent idle. Can't recommend them. After an entire season of trying to get it to operate properly I've given up and it's going into the garbage can. It's been replaced by an OS 75.


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