Espritmodel.com Telemetry Radio
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Old Oct 30, 2008, 10:06 PM
supercrash
Morrison IL
Joined Oct 2008
9 Posts
Help!
whats the best size motor for a Acrobatic Extra 330 90 - 63"

I am just trying to fly gas powered planes Ive had a few electrics but i got a good deal on a Acrobatic Extra 330 90 - 63" and I was hoping someone could give me some direction
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Old Oct 30, 2008, 10:17 PM
WCB
Registered User
NC
Joined Aug 2005
1,029 Posts
The wingspan is in the 60 range. Assuming the plane weighs 7 to 8 pounds...
61-75 2 stroke
91-100 4 stroke
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Old Oct 31, 2008, 09:59 PM
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ivanc's Avatar
United States, TX, Round Rock
Joined Dec 2004
9,345 Posts
Quote:
Originally Posted by maxaintright
I am just trying to fly gas powered planes Ive had a few electrics but i got a good deal on a Acrobatic Extra 330 90 - 63" and I was hoping someone could give me some direction
Acrobatic Extra 330 90, Acrobatic Extra 330 90, Acrobatic Extra 330 90.

OK, we know what an Extra 330 is, we also know that it is aerobatic (the term used in some countries is acrobatic). I wonder what "90" stands for? Maybe size - 0.90cu.in. or 15cc?

Alright, now seriously - 63" WS for an Extra is usually a 60-size plane. As an Extra will benefit from some extra power, and a 90 engine is usually a bored-out 60 (same dimensions on the outside, same mounting pattern), then a 90 sounds like a good size.

Ivan
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Old Oct 31, 2008, 10:33 PM
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EJWash1's Avatar
United States, WA, Hoodsport
Joined Mar 2008
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By "Acrobatic Extra 330 90" do you mean to say that you have an Acrobatic Extra 330 90 MARKETED (offered) by Nitro Models? Are the pictures I post of your model? If so, the listed specifications by Nitro Models are:

Wing span: 63 in / 1600mm
Wing area: 713sq in /46 sq dm
Flying weight: 6.6 lb / 3000g
Fuselage length: 60 in / 1520mm
Engine Required: 4c 0.91 cu in
Radio Required: 4channels,5 servos

If this is your model, are you asking for recommendations/opinions of what the best manufacturer of a 0.91 4-cycle engine would be best for this model?

EJWash
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Old Nov 05, 2008, 09:32 PM
supercrash
Morrison IL
Joined Oct 2008
9 Posts
yes that is my model and any direction to a good manufacturer would be apprecated
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Old Nov 05, 2008, 09:42 PM
Registered User
Moline IL
Joined Sep 2007
115 Posts
http://cgi.ebay.com/ws/eBayISAPI.dl...em=260310543231

im selling a motor that will be more then enough, and then some!
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Old Nov 08, 2008, 06:51 AM
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North of Milwaukee, Wisconsin
Joined Jun 2007
374 Posts
A friend at the field has that EXACT model, in another one of their color schemes. He's running a Saito 1.00 and a 15x6 prop. He's very happy with the setup.

Me............ I have an Edge 540 (similar to extra) with a 68 inch wing, with about the same weight, and I run a 1.20ax.

Stupid fun
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Old Nov 08, 2008, 06:54 AM
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North of Milwaukee, Wisconsin
Joined Jun 2007
374 Posts
Oh and btw............. BRACE THAT MOTOR MOUNT ...............or it WILL come apart!!!!! Use triangle stock in all the corners for support. I saw it first hand. Only took three flights to cause almost irreparible damage!
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Old Nov 29, 2008, 11:14 PM
supercrash
Morrison IL
Joined Oct 2008
9 Posts
thanks for the help

thanks for the help
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Old Dec 07, 2008, 08:42 AM
Registered User
Joined Jan 2006
38 Posts
Depends on your flying style but if you are into 3-D then put in a YS-110 and be done with it
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Old Dec 09, 2008, 11:50 AM
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Go bigger than you need, you can't go wrong!
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