Re: Building A-6 , some problems

From: Mark <f1diddler_at_yahoo.com>
Date: Thu, 08 Jun 2006 15:38:32 -0000

--- In Indoor_Construction_at_yahoogroups.com, "Bill Gowen"
<b.gowen_at_...> wrote:
 
> The new "A6 national rules" have omitted the part about the spars
having to be un-rounded and just give a minimum size of 1/16"
square.>>
 

The way I read it, nothing is said about prop spar dimensions or
shape, this also commented upon after the rules, at least as posted
in our Files section, below.
MB

<<<<<<<<
A-6 National Rules

1. Maximum projected wing area 30 sq. inches. To facilitate area
processing a dimensioned wing outline drawing with area calculations
shall be provided to the CD.
2. All wing, rudder & stabilizer construction including wing &
stabilizer posts shall be 1/16" Sq. minimum, except ribs. Minimum rib
size shall be 1/32" X 1/16". Posts may be rounded only in the area of
mounting tubes, if used.
3. Propeller 6-inch maximum diameter. Blades to be flat 1/32"
minimum sheet wood, no forming (no twist or camber).
4. Maximum motor stick length 6 inches measured from the thrust
bearing face to the rear hook.
5. Weight 1.2 grams minimum without rubber.
6. Covering: tissue, condenser paper, gampi. No plastic.
7. No High tech materials including boron, carbon, Kevlar and foam.
8. Rubber powered

Comments (not part of the rules):

  Note that there are no restrictions on the following:
  Tail boom dimensions
  Tail area
  Prop. Spar dimensions
  Prop. Shaft dimensions
  Prop. Shaft material
  Bearing material
  Motor stick dimensions other that the 6" rule.
  Also, laminated construction would be legal.
<<<<<<<<<<<<<
Received on Thu Jun 08 2006 - 08:40:10 CEST