Spec. Page

Single Rotor:

B -->

 B211/B027/B193/B273/B472/B260

Mosquito

0303

Ultrasport - 254

0097

Revolution Mini 500-B

0162

Helicycle

0160

Masquito (2-seat) (Belgium)

0157

Robinson ~ R-22

0385

Kompress (2-seat)

0922

Sikorsky (concept)

1281

 Reverse Velocity Rotorcraft Proposal

ANKA 2-place Training Helicopter

ANKA

 (concept) ANKA ITU Proposal AHS2006

Sikorsky VS-300

1607

Intermeshing:

B025

Manufactured:

Flettner ~ FL-282 Kolibri

0474

Kellett ~ XR-8, XR-10

0896

Kaman ~ H-43 Huskie

0742

Kaman ~ K-MAX

0473

DeGraw ~ Hummingbird

0475

A one-off experimental homebuilt.

SNCAC NC.2001 "Abeille"

Outside Site

Built three prototypes of the "Abeille". June 1949

Ivo Zdarsky

Built and flown approximately 1990. It still exists. Collective set by engine torque.

Otto Reder

He designed a portable intermeshing helicopter in 1943. For sketch see [Source ~ HTR p.92] [Deutsches Museum: Numerous files consulted in the Sondersammlung, amongst which are Otto Reder's personal papers. No referencing system in place.]

CW-105 by Clybouw Willy

1459

in 1970, Belgium

Karel Horak in 1950.

Outside Site

in 1950. Czech. Outside Site

Proposed:

Praga E.1

Outside Site

Also see [Source ~MDD p.188]

Stepniewski (concept)

1093

Synchropter, incorporating ABC principle by W.Z. Stepniewski

CalVert (concept)

Outside Site

Windstar (concept)

1284

Development project by outside party.

Interleaving:

B367

Manufactured:

Landgraf H-4

1091

Mil V1-12 (Mi-12) Homer

1469

Proposed:

Bolkow B0 310

Outside Site

Firth FH-1 (1952)

Outside Site

More Based on the Landgraf H-4

Side-by-Side:

B026

"вертолёт поперечной схемы" ~ in Russian

Manufactured:

Focke Fw-61

Outside Site

Rotation is inside forward. The two rotors have dihedral. See NACA TM 858. Have hard copy.

Weir W-5

Flights 2 years before Sikorsky's VS-300

Weir W-6

For Weir see Vertiflite Fall 2002, page 66

Sud-Est SE 3000

Outside Site

.

Platt-LePage, XR-1 & XR-1A.

Outside Site

 Another Outside Site

Kamov Ka-22 "Vintokryl"

Outside Site

The direction of rotor rotation was changed. The pictures show outside-forward.

Cornu, Paul, 1907 - First flight ~~ Actually - fore & aft configuration

1605

Evaluation of early a high weight/power ratio re the development of future electric rotorcraft.

Proposed:

Sir George Cayley

Cayley

 An 1845 rotorcraft concept that may well be the harbinger of tomorrow's heavy lift transport.

Boeing (proposal)

Kamov Ka-34

Outside Site

Kamov Ka-35

Outside Site

Kamov V-100

Outside Site

Coaxial:

B022

Sikorsky ~ XH-59A ABC

0891

Sikorsky ~ X2TD ABC

1465

Kamov Ka 56

1009

Hiller XH-44 (rigid, 2-blades/rotor)

Outside Site

Hiller X-2-235 (rigid, 2-blades/rotor)

Outside Site

EzyCopter

Outside Site

Ultralight. Under development.