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Title: Homemade Plane doesnt lift Post by: Priyum on May 03, 2013, 12:22:02 PM Hello,
I made a homemade foamcore plane which specs are as follows - Esc - Hobbywing 20AMP Motor - Emax CF2812 1534kv Prop - 8*4 (trimmed down to 7*4 due to small esc) Battery - 1850mah 11.1v According to the datasheet the emax cf2812 can life upto 580gms with a 7*4 prop and my plane is only 410 grams but it doesnt seem to lift, what could be the problem,it is a tractor plane. Thank you Title: Re: Homemade Plane doesnt lift Post by: theleabres on May 03, 2013, 12:51:49 PM post a photo
Title: Re: Homemade Plane doesnt lift Post by: Priyum on May 03, 2013, 01:00:53 PM It looks ugly i know but here are the pictures.
Title: Re: Homemade Plane doesnt lift Post by: Sahevaan on May 03, 2013, 01:05:44 PM Planes like these, with flat wings, don't produce lift. The usually fly on the thrust of the motor.
Title: Re: Homemade Plane doesnt lift Post by: VC on May 03, 2013, 01:09:06 PM 1. Have you received the prop saver from Mr. V.K. Singh?
2. What Prop Adaptor are you using here? Is it a snug fit or is there a prop slippage? Title: Re: Homemade Plane doesnt lift Post by: Priyum on May 03, 2013, 01:11:02 PM I just recieved the adapter\saver thank you for it,the one here is just a diy so doesnt give much needed thrust,could you pm me how to set the new saver on?
Title: Re: Homemade Plane doesnt lift Post by: theleabres on May 03, 2013, 01:15:25 PM Did you hand launch or did you try rolling take off? What makes you say there's no thrust or lift?
Title: Re: Homemade Plane doesnt lift Post by: Priyum on May 03, 2013, 01:17:01 PM I tried to roll launch it with wheels ,it runs like a cheetah but doesnt lift
Title: Re: Homemade Plane doesnt lift Post by: santhosh-r on May 03, 2013, 03:09:07 PM It cannot lift on its own..you have to give a little up elevator since the wing is not airfoil..-hope you are aware of that.
Try hand launching it ... :thumbsup: Title: Re: Homemade Plane doesnt lift Post by: arun.sreelakam on May 03, 2013, 03:50:07 PM Make sure there are no vibrations in the motor while throttling up... motor is fixed firmly
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