Here are the specifications for the new FUN 1 one-design
60" span racing class commissioned by the Torrey Pines Gulls and designed by Charlie
Richardson and Paul Naton. Anyone or any plane manufacturer can design a ship that fits
these specifications. These specifications/rules will remain flexible for 1 year and
changes can/will be made as racing activities progress though no major changes to the
design profiles are expected.
Basic: 60" span max.--25 oz. min wt., 35 oz. max wt.
Single taper wing, SD 6060 airfoil.
Wing: Max span: 60". Root: 7" min / max Tip:
5" min / max
Wing Area: 360 sq. in.
Airfoil: SD-6060, 9.5% minimum thickness (wing must fit
template to be legal)
Plots will be posted.
Ailerons: 20" min/max aileron lgth., 6" from
root, 3" from tip, 1.5 inch width max.
Wing attachment: Any, plastic or metal bolts OK.
Wing Construction: Foam core, any type, or built-up, or
EPP is legal balsa or obechi sheeting OK, or EPP with tape or shrink covering OK .Any spar
system legal, NO carbon ,glass, or plywood composite skins legal. Glass OK for joining
wing halves. 5" width max. No leading edge reinforcement except for standard basswod
is legal. No Ballast system allowed for wings. 1 or 2 servos for wing.
Fuselage: 36" max length, 32" min.
length.6" min circumference at maximum girth station at wing shoulder. Glass/Kevlar
OK, carbon only allowed for repairs. EPP or wood OK and encouraged. Ballast must be bolted
in body near CG location.
Tail Assembly: Standard or V-tail allowed , no min/max
area. Construction must be balsa, plastic, coroplast, no composite construction or exotic
materials.
Radio Gear: Any radio gear can be used, Y-chords for
ailerons/flaps legal, No flap /elevator mixing allowed 3 servo maximum, 2 wing servos and
1 for elevator, no rudder surfaces allowed. Camber change by flap stick control only!
Other: CD can disqualify any plane he feels does not meet
the specifications or the spirit of the One Design class. Pilot can appeal DSQ after
races. Pilots can vote on plane DSQ's. "Spirit" means: Keeping the planes speed
equalized, cheap, and easy to fly. Anyone bending the rules for speed advantage by using
exotic materials and/or illegal airfoils or building outside the parameters set forth will
be in violation of the terms of the class and can be disqualified from race or races.
CR HIgh Performance Sailplanes Offers a basic FUN 1 kit to
TPG members for $50.00, presheeted wing kit is $60.00. Kit includes materials,
Glass/Kevlar body, all wood, and cores. Linkages and control cables extra. The fuselage in
the CR kit is the same as his popular Blazer slope plane; this keeps costs way down
Call CR at 760-630-8775 to order this new club racer.
Email me with any questions concerning the class or the specifications. pnatona@cts.com
