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Building Tips and technical articles. => ARF'S => Topic started by: Howard Rush on November 18, 2011, 09:18:30 AM

Title: Nobler CG, Prop
Post by: Howard Rush on November 18, 2011, 09:18:30 AM

A guy here in town has an ARF Nobler with an LA .40 on it.  He asks where the CG should be and what prop to use. 

Thanks.

Title: Re: Nobler CG, Prop
Post by: john e. holliday on November 18, 2011, 07:08:21 PM

Go with an 11-4 or 11-5 prop.   Balance at high point of the wing next to the fuse.   Make first flight a little nose heavy if in doubt and balance according to how it flies.   I had to add lead to tail of my ARF Nobler when I put the EVO .36 on it.  No cowl as I wanted to be able to get to the engine.    H^^

Title: Re: Nobler CG, Prop
Post by: Steve Helmick on November 19, 2011, 12:25:56 PM

Quote from: Howard Rush on November 18, 2011, 09:18:30 AM

A guy here in town has an ARF Nobler with an LA .40 on it.  He asks where the CG should be and what prop to use. 

Thanks.

The 11-4.5 Thunder Tiger Cyclone prop is an excellent prop for the .40LA. Available cheap from Tower, at $2 each if you buy the bag of 6.  y1 Steve