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Topic: Is there any thumb-rule for relation between engine size and AUW.????

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« on: February 01, 2011, 12:22:34 AM »

abhay

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Is there any thumb-rule for relation between engine size and AUW.????

Hello buddies,
Since i am making the plane by my own, so wanted to know whether there is any thumb-rule, for all sizes of glow engines, with respect to maximum weight they can fly along with??

I owe an ASP .25 frm RCD,and making a trainer.Presently i am working on the fusalage.(wing has been compleated. watch:
http://www.rcindia.org/gas-glow-nitro-planes/my-first-plane-with-sunboard-sheet/msg46834/#msg46834).

So i want the limit for the max weight i can go upto. However i am trying to reduce the weight as much i can.


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« Reply #1 on: February 01, 2011, 02:04:19 PM »

sushil_anand

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Re: Is there any thumb-rule for relation between engine size and AUW.????

The AUW of an airplane for a given engine will depend a lot on the type of airplane and performance required. A trainer with a flat bottom/high lift airfoil would need much less power as compared to an aerobatic plane.

Your ASP 25 should pull a basic aircraft of upto 1.8kGs with ease.


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« Reply #2 on: February 01, 2011, 10:44:19 PM »

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Re: Is there any thumb-rule for relation between engine size and AUW.????


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