Re: Re: Per the '10-'11 AMA rules for LPP

From: Chris and Josette Borland <candjborland_at_surewest.net>
Date: Fri, 4 Mar 2011 20:24:35 -0800

I think the common usage is boron on the wing spars to prevent
flexing and twisting at launch.

Chris Borland - Sacramento



On Mar 4, 2011, at 2:59 PM, Yuan Kang Lee wrote:

> Regarding bracing: Many LPPs have bracing on the wing post, which
> appears to be allowed.
>
> However, bracing of the motor stick is probably not allowed based
> on the phrase,
>
> "21.3.4. The motor stick shall be solid and made from a single
> piece of wood. (The tail boom may be a separate solid piece.)"
>
> If motor stick bracing were allowed, I would use it for super high
> torque Lakehurst launches.
>
> -Kang
>
> --- In Indoor_Construction_at_yahoogroups.com, "Don DeLoach"
> <ddeloach_at_...> wrote:
> >
> > Ed
> >
> > Boron, carbon and other non-wood structural materials are allowed
> on LPP
> > models. Regarding bracing, these models are so (relatively) beefy
> in terms
> > of spar sizes bracing is not required.
> >
> >
> >
> > Don DeLoach
> >
> > Editor, NFFS Free Flight Digest
> >
> >
> >
> > _____
> >
> > From: Indoor_Construction_at_yahoogroups.com
> > [mailto:Indoor_Construction_at_yahoogroups.com] On Behalf Of Edward
> > Sent: Friday, March 04, 2011 3:05 PM
> > To: Indoor_Construction_at_yahoogroups.com
> > Subject: [Indoor_Construction] Per the '10-'11 AMA rules for LPP
> >
> >
> >
> >
> >
> > Sec; 21.3.6; "No gadgets of any kind are permitted on the model"
> Does this
> > mean no boron or bracing wires? Rules only mention VP props etc.
> There is NO
> > mention of Boron or Bracing wires. Does this mean it's of to use
> them OR
> > does NO GADGETS mean NOTHING BUT WOOD !!!
> > Ed Berton
> > Brevard,NC
> >
>
>
Received on Fri Mar 04 2011 - 20:24:41 CET