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Old Apr 22, 2013, 05:01 AM
A geriatric flier
Watdazit's Avatar
Australia, NSW, Braidwood
Joined Nov 2008
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Question
10cc gas engine

I am comfortable with EP but want to try a gasser. This is a general question but it based around the Hangar 9 Meridian.The Hangar 9 Meridian which has an about 1800mm wingspan was supposedly designed around the Evo 10cc gas engine When I look around at other manufacturers recommendations for this size of plane they generally recommend 30cc. Am I missing something?
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Old Apr 22, 2013, 06:09 AM
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Wilson NC 27896
Joined Apr 2009
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I think you said it in your original post, the Meridian was designed around the 10cc motor. That said, the construction, overall weight/wing loading is just right for that size motor/plane combination. It works because we have a bunch of new guys flying them at our field & nobody is complaining about anything. I wouldnt size a motor to a plane solely based on wing span. I have several 78"ws models with .049 size motors for example, that 10cc would tear them to shreads....Gene
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Old Apr 22, 2013, 06:11 AM
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USA, TX, Grapevine
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The Hangar 9 Meridan works fine with the Evo 10cc gas engine on it. Quite a few people have already done just that with it too. It has a 69 inch wingspan (175cm). The plane would work fine with a .45 through .60 size glow engine and or a Power 46 electric too. But a 30cc engine is way too big and heavy for it, Usually the 30cc engines are used on planes like the 81inch (210cm) wing span Hangar 9 P47 for example. But larger planes like the H9 1/2 scale PA-18 with its 106 inch wingspan (269cm) are typically flown using a 30cc gas engine. Now then there are some 75 inch wingspan (190cm) which are 3D aerobatic planes designed for hovering that use 30cc gas engines. But the Meridian is not designed to do that though, nor is it designed to use a huge and heavy 30cc gas engine either.
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Old Apr 22, 2013, 10:51 AM
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United States, OR, Canby
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[QUOTE=Watdazit;24791942]I am comfortable with EP but want to try a gasser. This is a general question but it based around the Hangar 9 Meridian.The Hangar 9 Meridian which has an about 1800mm wingspan was supposedly designed around the Evo 10cc gas engine When I look around at other manufacturers recommendations for this size of plane they generally recommend 30cc. Am I missing something?[/QUOTE]

There was a Meridian at the LHS, no way would I put a 30CC gas engine on a plane that size. I have a slightly larger and heavier plane with a 17cc engine that has plenty of power and a 14 lb. 77" WS biplane with a 26cc and it is over powered.
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Old Apr 22, 2013, 12:19 PM
A geriatric flier
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Australia, NSW, Braidwood
Joined Nov 2008
885 Posts
Thanks guys. I suppose it all comes down to checking the power output of the engine and not the size.
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Old Apr 22, 2013, 05:31 PM
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I think it is more about what the airplane was designed to use for a engine. The planes designed for a big heavy 30cc gas engine are larger in size and a little more robust in construction to handle the bigger engine. Now there might be a overlap in wingspan lengths, but if you put the two plane designs side by side you would quickly see the differences between them.
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