persil
All rotorcraft enthusiast
Vertical Flight Society just published excellent video narrated by Cherles Seibel himself about Seibel helicopters. Described are:
- Seibel S-1 (design study on tiltrotor)
- Seibel S-2 (design study on coaxial helicopter)
- Seibel S-3 (single-seat helicopter with CG control mechanism (initially))
- Seibel S-4 (single-seat helicopters with cargo space)
- Seibel S-4A (certified variant of S-4 - FAA type certificate 5H2)
- Seibel S-4B (trainer version of S-4A - two-seater, side-by-side)
View: https://www.youtube.com/watch?v=Q4QJkFs3aEE
- Seibel S-1 (design study on tiltrotor)
- Seibel S-2 (design study on coaxial helicopter)
- Seibel S-3 (single-seat helicopter with CG control mechanism (initially))
- Seibel S-4 (single-seat helicopters with cargo space)
- Seibel S-4A (certified variant of S-4 - FAA type certificate 5H2)
- Seibel S-4B (trainer version of S-4A - two-seater, side-by-side)
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