| Kolb Firefly ✕ | Isaacs Spitfire ✕ | |
|---|---|---|
| Manufacturer | Kolb Co Inc | John Isaacs |
| Description | The Kolb Firefly is an American open cockpit, single seat, high wing, pusher configuration, conventional landing gear-equipped ultralight aircraft that is produced in kit form by New Kolb Aircraft of London, Kentucky and intended for amateur construction. | The Isaacs Spitfire is a single seat homebuilt sporting aircraft design created by John O. |
| ICAO Code | ISPT | |
| First Flight | 1975-05-05 | |
| Entry Into service | 1995-01-01 | |
| Designer | Kolb Co Inc | John O. Isaacs |
| Type | Replica warbird | |
| Length (m) | 5.7912 | 5.7912 |
| Height (m) | 1.524 | 1.524 |
| Cockpit Crew | 1 | |
| Max Speed (km/h) | 112.6541 | 241.4016 |
| Cruise Speed (km/h) | 96.5606 | 215.6521 |
| Min Speed (km/h) | 41.8429 | 75.6392 |
| Rate of Climb (m/s) | 5.08 | 5.588 |
| National Origin | United States of America | |
| Number Built | 500 | |
| Powerplant Description | 1 × Rotax 447 twin cylinder, two-stroke aircraft engine, 30 kW (40 hp) each | 1 × Continental O-200 4-cylinder air-cooled horizontally-opposed piston engine, 75 kW (100 hp) each |
| Status | In production | |
| Wikipedia Article (URL) | en.wikipedia.org/wiki/Kolb_Firefly | en.wikipedia.org/wiki/Isaacs_Spitfire |
| Flat Wing Span (m) | 6.7056 | 6.7056 |
| Flat Wing Area (m²) | 10.8697 | 8.0826 |
| Wake Category | L | |
| Aircraft Engine | Rotax 447 | Continental O-200 |
| Number of Engines | 1 | 1 |