How to Order
As the manufacturer, we offer the best prices on the Ultra-Prop and all below components and kits.
Order by phone at 248-266-4286 or order by email using info@ultra-prop.com. We accept Mastercard, Visa, Discover Card, and American Express. We will email you an invoice and you can use the “Pay Now” button to pay with your credit card.
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.
Prices, specifications, and performance data are subject to change.
Ultra-Prop Kit Components
| Model No. | Blades | Pitch Blocks | Hubs | A/N Hardware | Hub Spacers |
|---|---|---|---|---|---|
| 102 and 202 | 2 | 2 pair | 1 pair | 4 sets | |
| 103 and 203 | 3 | 3 pair | 1 pair | 6 sets | |
| 104 and 204 | 4 | 4 pair | 1 pair | 8 sets | |
| 105 and 205 | 5 | 5 pair | 1 pair | 10 sets | 1 set |
| 106 and 206 | 6 | 6 pair | 1 pair | 12 sets | 1 set |
Ultra-Prop I Kit Prices*
| Blade Kit | Weight | Price |
|---|---|---|
| 2-Blade Kit (Model 102) | 5.0 lb | $425.00 |
| 3-Blade Kit (Model 103) | 6.5 lb | $525.00 |
| 4-Blade Kit (Model 104) | 8.0 lb | $625.00 |
| 5-Blade Kit (Model 105) | 11.0 lb | $775.00 |
| 6-Blade Kit (Model 106) | 13.0 lb | $875.00 |
Ultra-Prop II Kit Prices*
| 2-Blade Kit (Model 102) | 6.0 lb | $575.00 |
|---|---|---|
| 3-Blade Kit (Model 103) | 8.0 lb | $700.00 |
| 4-Blade Kit (Model 104) | 10.0 lb | $825.00 |
| 5-Blade Kit (Model 105) | 12.0 lb | $975.00 |
| 6-Blade Kit (Model 106) | 14.0 lb | $1,100.00 |
Individual Component Prices
| Component | Details | Price |
|---|---|---|
| Ultra-Prop I Blades | each, specify LH (P) or RH (T) | $160.00 |
| Ultra-Prop II Blades | each, specify LH (P) or RH (T) | $200.00 |
| 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". | $140.00 |
| 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". | $200.00 |
| Tiny-Tach | New model TT2A. Universal digital tachometer. One unit. | $75.00 |
| Pitch Blocks | pairs only, available in 1° increments - 6°-18° | $15.00 |
| Hub Halves | each, specify 2, 3, 4 blades | $75.00 |
| Hub Plates | each, specify 5 or 6 blade (does not include hub spacers) | $85.00 |
| Hub Spacers | Six, 5/16" ID x 5/8" OD x 1.85" long steel spacers for 5 and 6 blade propellers | $25.00 |
| Propeller Protractor | Kit includes Digital Angle Cube, Protractor Clip, and four Spirit Levels. | $150.00 |
| Angle Cube | Resolution and Repeatability: 0.05 deg, Accuracy +/- 0.1 deg. Standard 9 volt battery. Magnetic base. | $82.00 |
| Protractor Clip | Universal clip, plastic with spirit level. | $62.00 |
| 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) | $6.00 |
| 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. | $80.00 |
| Spinner | White polyester spinner only (bracket required to install). | $65.00 |
| 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. | $40.00 |
| Pulley/drilled | Alternator pulley used on flange kit with pulley. Drilled and modified for propeller attachment. | $100.00 |
| Pulley/undrilled | Six-inch diameter alternator pulley used with a plain flange kit. Requires “H” style bushing. | $65.00 |
| Bushing (SH & H) | Taper lock QD bushing. “SH” for plain flange kit. “H” for flange kit with Pulley. Specify shaft diameter. | $55.00 |
| Rotax Prop Bolt Kit | Six, 8mm bolts, lock-nuts and washers to mount Ultra-Props to Rotax gearbox. | $25.00 |
| 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. | $25.00 |
| Hub Pilot diameter modification | One inch hub pilot diameter hole opened up to required shaft or pilot diameter. | $20.00 |
*Left-hand rotation please designate as “LH”; right-hand rotation please designate as “RH”
**$65.00 when ordered with propeller kit
Blades can be trimmed down from 59” and 66” by at no charge.
Ultra-Prop I maximum diameter is 59”; Ultra-Prop II maximum diameter is 66”.