# Ultra-Prop

> American-made composite ground-adjustable propellers for ultralight aircraft, powered parachutes, paramotors, trikes, airboats, hovercraft, and industrial fans. Family-built since 1983 in Holly, Michigan. Actively seeking UAV and drone manufacturing partnerships.

Ultra-Prop LLC manufactures the Ultra-Prop II — a composite, ground-adjustable propeller with replaceable blades and indexed pitch blocks. Designed and built in the USA since 1983, it powers Quicksilver, Kolb, Phantom, Buckeye, Six Chuter, Destiny, Powrachute, and thousands of paramotors, trikes, and airboats worldwide. Online ordering is by phone or email — Call or Text 248-266-4286 or email info@ultra-prop.com.

## Pages

- [Home](/): Brand overview, hero, product categories.
- [Powered Parachute Propellers](/powered-parachutes): PPC props for Rotax 503, 582, 912 carts.
- [Paramotor Propellers](/paramotor): Quiet, durable 2-blade PPG props for Moster 185, Atom 80, Polini Thor.
- [Ultralight Propellers](/ultralights): Part 103 ultralight props — Quicksilver, Kolb, Phantom, Aerolite.
- [Trike Propellers](/trikes): Weight-shift trike props — single-seat to LSA two-place.
- [Airboat Propellers](/airboats): Composite airboat and mini-airboat props with Bandit redrives.
- [Aircraft Propellers](/aircraft): Experimental, LSA, gyrocopter setups.
- [UAV & Drone Manufacturing Partnerships](/uav-drones): Seeking OEM partnerships for fixed-wing UAV and heavy-lift multirotor propeller programs.
- [Industrial Fans](/industrial-fans): Composite axial fan blades for cooling towers, ventilation, agricultural.
- [Reduction Drives](/reduction-drives): Bandit belt reduction drives and airboat reductions.

## Engine Database

- [Engines Index](/engines): Pick your engine for proven Ultra-Prop setups.
- [Rotax 447](/engines/rotax-447): 40 HP single-carb ultralight setups.
- [Rotax 503](/engines/rotax-503): 52 HP — the benchmark Ultra-Prop pairing.
- [Rotax 582](/engines/rotax-582): 65 HP liquid-cooled, two-place PPC and trike.
- [Rotax 912](/engines/rotax-912): 80–100 HP four-stroke for Destiny, Powrachute, experimentals.
- [Vittorazi Moster 185](/engines/moster-185): The paramotor school standard.
- [Polini Thor 200](/engines/polini-thor-200): Italian paramotor power.
- [Vittorazi Atom 80](/engines/atom-80): Light-pilot mini paramotor engine.

## Knowledge Base

- [FAQ](/faq): Pitch blocks, RPM, vibration, blade selection, and setup answers.
- [Pitch & RPM Guide](/pitch-guide): Static RPM, CHT, EGT, Rotax tuning charts.
- [Static Thrust Guide](/static-thrust-guide): Why static thrust differs from in-flight performance.
- [Rotation Guide](/rotation-guide): CW vs CCW for tractor/pusher installations.
- [Assembly Instructions](/assembly): Hub, blades, pitch blocks, torque specs.
- [Thrust Calculator](/thrust-calculator): Free Ultra-Prop II static thrust and pitch calculator.

## Community

- [Events & Sponsorships](/events): Ultra-Prop sponsors the Hodges Field Ultralight Fly-In (4GA0) in Andersonville, Georgia.
- [Photo Gallery](/community): Real pilots, real Ultra-Prop setups.
- [Videos](/videos): Setup, tuning, and customer flight footage.
- [History](/history): Forty years of Ultra-Prop.

## Contact

- [Get a Recommendation](/contact-request): Request a custom prop recommendation from Monty.
- Email: info@ultra-prop.com
- Phone: 248-266-4286
- Address: 13430 Millie Ct, Holly, MI 48442