Thanks, Mike. I go to school at 3 pm today. I knew some of this.
Fred Rash
On 3/2/2017 10:30 AM, mkirda_at_sbcglobal.net [Indoor_Construction] wrote:
>
> Am writing this for the benefit of others who might be coaching SO
> kids with this design.
>
>
> So I spent most of last night helping out a group of SO kids in Racine.
> Nearly all of them were flying the Laser Cut Planes Vanguard P-18 kit.
>
> This is a great introductory kit overall. With just a bit of help,
> most of the kids were doing 2 minutes plus in a 42' ceiling with the
> stock kit.
>
>
> Some slight modifications I'd recommend to the kit:
>
> 1) face the top/bottom of the fuselage stick where the Sig Prop hanger
> will go on with some 1/64" plywood. The wood tends to get mashed here
> and downthrust creeps in over time, making the plane not want to
> climb. This should solve the issue.
>
>
> 2) Because the wing is symmetrical and jigged to build flat, it does
> not handle higher torque well at all. On all eight? planes I helped
> trim last night, I ended up cracking and gluing the rear wing post in
> order to get enough wash-in into the left wing panel. Afterwards they
> all flew flatter and climbed up to the ceiling easily and started
> flying 20 seconds longer.
>
>
> 3) Double up on the dental bands. One band looped twice helps keep the
> wing tight.
>
>
> Many of the kids seemed to have rather excessive stab tilt. The design
> does not need very much.
>
>
> The design does not seem to handle ceiling bumps well. I suspect a
> longer tail moment would help here, maybe with a bit less camber in
> the stab? There is room for experimentation here.
>
>
>
> Regards.
>
> Mike Kirda
>
>
>
>
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Received on Thu Mar 02 2017 - 17:09:22 CET