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Oct 30, 2008, 10:06 PM
supercrash
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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Oct 30, 2008, 10:17 PM
WCB
WCB
Registered User
The wingspan is in the 60 range. Assuming the plane weighs 7 to 8 pounds...
61-75 2 stroke
91-100 4 stroke
Oct 31, 2008, 09:59 PM
S.A.D. member
ivanc's Avatar
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
Oct 31, 2008, 10:33 PM
AMA 910957
EJWash1's Avatar
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
Nov 05, 2008, 09:32 PM
supercrash
yes that is my model and any direction to a good manufacturer would be apprecated
Nov 05, 2008, 09:42 PM
Registered User
http://cgi.ebay.com/ws/eBayISAPI.dl...em=260310543231

im selling a motor that will be more then enough, and then some!
Nov 08, 2008, 06:51 AM
over user
Stevo Revo's Avatar
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
Nov 08, 2008, 06:54 AM
over user
Stevo Revo's Avatar
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!
Nov 29, 2008, 11:14 PM
supercrash

thanks for the help


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


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