The Harmon Rocket I was a modified single place Van's RV-3 sport plane while the Harmon Rocket II is a modified Van's two place RV-4. Autos have been modified for decades by people seeking to make a vehicle meet their needs and desires and the Harmon Rocket is no different.

HRII HRIII Span 21Ft. 10in. 20ft. Length 21ft.

HARMON ROCKET II • $175,000 • PRICE REDUCED • 2020 Harmon Rocket II, 128 HRS since new. IO540 Lycoming Engine with major rebuild. Crank,rods,pistons and prop balanced.

Beautifully Harmon Rocket II built by multi-time builder in Bakersfield. Extended baggage and long range (58 gallon) fuel. Electric flaps and trim. 310HP. I cruise at 10,000' at 190 true on 11 gallons per hour. Selling due to "downgrading" to a twin with de-ice.

Van's Aircraft RV-4 Harmon Rocket II. Richard VanGrunsven designed the RV-4 in the mid 1970s as a two-seat development of the single-seat RV-3. The RV-4 prototype first flew in August 1979. The RV-4 is a new design based upon the concepts proven in the RV-3 and is not merely a stretched RV-3.

What started as a handful of passionate enthusiasts has developed into a major force—and a significant component—of the aircraft industry. Homebuilding Perfection? David Howe’s Harmon Rocket II comes awfully close by Jack Cox (9 pgs) EAA members can digitally view archived editions of Sport Aviation here.

2019年5月8日 · Harmon Rocket II ZK-RMD (c/n HR2-187-08) at Paunaui, New Zealand in January 2019 (Richard Currie – NZCIVAIR) United States of America. Two-seat sport monoplane. One (250 hp) Lycoming IO-540-c4b5 six-cylinder horizontally-opposed air-cooled engine.

2012年9月25日 · Hi, I am trying to find out what the differences are - both structural and aerodynamic - between the RV-3 and the Harmon Rocket I. I am aware of the turtle...

Harmon Rocket III. John Harmon’s conversion kit for the RV-4 is the ultimate aviation experience for recreation and sport flying.

Harmon Rocket: Higher performance derivative of the RV-4, with clipped wings, a 400 hp (298 kW) Lycoming IO-540 engine and a razorback turtle-deck. Specifications (Typical RV-4) 2