HUB COMPONENTS

DESCRIPTION: Hub Halves are machined from solid aluminum stock on a Precision C.N.C. machine center.

MATERIAL: 6061-T6 Aluminum

BOLTS: All hardware is of AN aircraft quality

TOLERANCES: + or - .001" (0.025 mm) all dimensions

TEST DATA: There were no signs of stress or fatigue at 15,100 lbs.(6900 kg) centrifugal force

PROPELLER BLADE

DESCRIPTION: Constructed with multilaminated hardwood. Root Section is under cut then encapsulated using R.T.M. Process in precision C.N.C. machine metal molds.

MATERIAL: Blade section constructed out of selected clear eastern Maple hardwood. Root section is encapsulated with urethane elastomer high gloss finish is achieved with a 2 part polyurethane with added U/V protection

TOLERANCES: Balance (at tip) + or - .05 grams

Tracking (at tip) + or – 1/16" (1.6 mm)

Root (all dimensions) + or .002" (0.05 mm)

Angles (blade to blade) + or – 1/8 degree

TEST DATA: Regarding Blade Retention (Encapsulated Root End)

Yield: 14,300 lbs. Force (6500 kg)

Failure: 15,100 lbs Force (6900 kg)

MAXIMUM DESIGN PARAMETERS

To be fitted to engines not exceeding 85 HP

Maximum Blade RPM = 576,000 or 1,463,040

3.14 x dia. (in.) 3.14 x dia. (cm)

FOR 912, 912S AND 914 INSTALLATION USING ALUMINUM ROOT ENDS