Harmon Rocket N540RM

A Journey

John HarmonJuly 1993

Laminar Airfoil -

An experimental laminar

airfoil (top) was selected

to increase efficiency over

the blunt Turbulent airfoil

(underneath)

Wing Internal Structure

14,000 rivets

All ribs hydroformed

Wing Incidence

Lycon Prepared IO540EXP

• 326hp on the dyno

• Increased compression

• Ceramic pistons

• Heads ported

and flowed

• Engine designated as “experimental”

Cowling mock up

• Composite Construction

• Bi-directional High Tech Composites– S-Glass– Carbon– Kevlar

6:1 Exhaust Collector

Initial Cockpit Layout

Wire A to Stud B……

Battery Weight Trying To Offset The 540ci Engine

• From Chaos……

Avionics Hatch

Final Push - Long Nights…..

Fashionable Footwear

Panel Final Assembly

Accessory Switches

Inflight Serviceable Fuse Panel

Fuse Panel Layout

Test Flight SessionTest Flight Program

Ashland OR.

Mt. Shasta

Paint!

Shelter Cove, California

New IFR Panel

• Instrument Flight

• Climb to the Flight Levels

• Turn on Auto-Pilot and Oxygen

Harmon Rocket III

• Single Place

• Sportsman Category Reno Pylon Racer

Bruce Bohannon’s Rocket

• Time To Climb Records

• 0 – 3,000 meters

• 0 – 6,000 meters

• 0 – 12,000 meters

• Absolute Altitude Piston ?