Ultra-Prop Kit Components

Model No. Blades Pitch Blocks Hubs A/N Hardware Hub Spacers
102 2 2 pair 1 pair 4 sets
103 3 3 pair 1 pair 6 sets
104 4 4 pair 1 pair 8 sets
105 5 5 pair 1 pair 10 sets 1 set
106 6 6 pair 1 pair 12 sets 1 set


Ultra-Prop I Kit Prices

2-Blade Kit (Model 102) 5.0 lb $300.00
3-Blade Kit (Model 103) 6.5 lb $350.00
4-Blade Kit (Model 104) 8.0 lb $400.00
5-Blade Kit (Model 105) 11.0 lb $475.00
6-Blade Kit (Model 106) 13.0 lb $550.00

Ultra-Prop II Kit Prices

2-Blade Kit (Model 102) 6.0 lb $350.00
3-Blade Kit (Model 103) 8.0 lb $425.00
4-Blade Kit (Model 104) 10.0 lb $500.00
5-Blade Kit (Model 105) 12.0 lb $575.00
6-Blade Kit (Model 106) 14.0 lb $650.00


Individual Component Prices

Ultra-Prop I Blades each, specify LH (P) or RH (T) $90.00
Ultra-Prop II Blades each, specify LH (P) or RH (T) $125.00
Flange Kit Kit includes flange to match the Ultra-Prop hub, taper locking QD bushing, propeller back-up plate, all hardware and key for straight shafts with 1/4" keyway. Specify shaft diameter range from 3/4" to 1 1/2". $100.00
Flange Kit with Pulley Kit includes flange with pulley to match Ultra-Prop hub, taper lock QD bushing, two propeller backup plates, six tubular spacers, all hardware and key for straight shafts. Specify shaft diameter from 1" to 1 7/16". $140.00
Tiny-Tach New model TT2A. Universal digital tachometer. One unit. $54.00
Pitch Blocks pairs only
available in 1° increments - 8°-18°
$10.00
Hub Halves each
specify 2, 3, 4 blades
$45.00
Hub Plates each, specify 5 or 6 blade (does not include hub spacers) $50.00
Hub Spacers Six, 5/16" ID x 5/8" OD x 1.85" long steel spacers for 5 and 6 blade propellers $20.00
Propeller Protractor Kit includes Digital Angle Cube, Protractor Clip, and four Spirit Levels. $105.00
Angle Cube Resolution and Repeatability: 0.05 deg, Accuracy +/- 0.1 deg. Standard 9 volt battery. Magnetic base. $60.00
Protractor Clip Universal clip, plastic with spirit level. $45.00
Spirit Level 10 x 10 x 29 mm with 3M Scotch, reusable adhesive strip on one side. $1.00
A/N Hardware Packs each (2 bolts, 2 nuts & 4 washers) $5.00
Bolt Sleeves 1 set of 6 per pack (1/4" I.D. x 5/16" O.D.) $6.00
Spinner Kit Kit includes white polyester spinner, mounting bracket, and all extra hardware for installation. Specify Quicksilver MX belt drive type with 1/4 inch mounting hardware or Rotax gear drive with 5/16 or 8 mm mounting hardware. $60.00*
Spinner White polyester spinner only (bracket required to install). $45.00
Crush or Face Plate 3/16" aluminum plate. One-inch center pilot hole. Six 5/16" or 8mm holes on standard Rotax 75mm bolt circle and 2 3/4 bolt circle. $20.00
Spinner Bracket Spinner mounting bracket only. Specify Quicksilver MX belt drive type with 1/4 inch mounting hardware or Rotax gear drive with 5/16 or 8 mm mounting hardware. $25.00

*$45.00 when ordered with propeller kit

Ordering Information

The Ultra-Prop and all above components and kits can be ordered through Competition Aircraft by phone, e-mail or by mail. If you need assistance in selecting the best Ultra-Prop propeller for your ultralight aircraft or airboat application, please contact us and be sure to provide the following information.

  • Vehicle model or type

  • Engine manufacturer and model (HP and RPM)

  • Reduction type and ratio

  • Maximum propeller diameter

  • Direction of rotation - viewed from behind vehicle

Special notes:

  • Complete Assembly Instructions and decals are included with each kit.

  • Shipping is by UPS or USPS, unless otherwise specified.

  • Prices, specifications, and performance data are subject to change.

We accept Mastercard, Visa, Discover Card, and American Express as well as personal checks and Paypal payments.