Merckel designs

Stingray · Administrator

Merckel designs

Italian Dragon · Moderator

who is Merckel? I cant find a Merckel with google.

Stingray · Administrator

That's a mighty good question. Whoever (or whatever company) it was, its of German origin.

Sidewinder · Veteran Member - Level 2

Only Merkel I can find is the no longer active Edwin W. Merkel Airplane Company in Wichita and Valley Center, KS, who built the Mark IIA aircraft. Nothing rotary related.

Walter · Member

Perhaps the Süddeutschen Flugzeugwerke K.E. Merckle K.G?

(slightly different spelling). This company produced the SM-67 (see Stingsray`s list)

Stingray · Administrator

Thanks to you Walter I found more info!

http://www.aiaa.org/tc/vstol/unbuilt/sf/index.html

Merckle E-130:

In 1966, the BMVg awarded a series of systems analyses studies for helicopter speed improvement.
Peter Richter was the project manager. Dr. Just was an advisor to the project.
The M-133, intended to conduct the flight tests.

Power: two Daimler Benz DB 720/PTL 6 turboshaft engines, each with 1,500 kW (2,000 hp) to drive the main and tail rotor; in addition, each engine was connected to an aft fan to augment forward propulsion
Rotor: five-blade rotor, automatic reduction of blade angle at positive flapping angle or automatic increase of blade angle at negative flapping angle.
Speed: 580 km/h (313 kt)
Gear: a retractable landing gear
2-side-view

Merckle M-133:

The M-133 demonstrators were to use the two Bo 46 fuselages. For hovering and low-speed flights, the engines drove the rotor. At high-speed flights, the main rotor was offloaded and additional thrust was produced by the aft fans.

at the end of 1967, all BMVg projects for high-speed helicopters were declined

Power: DB 730/ZTL 6 engines with 993 kW (1,350 hp)
Rotor: diameter 11.00 m (36 ft)
Speed: 545 km/h (295 kt)
Length: 12.36 m (40.6 ft)
Width: 6.65 m (21.8 ft)
Maximum Take-off Weight: 3,100 kg (6,800 lb)

hannetonIII · Veteran Member - Level 2

Established at Oedheim, acquired from Dr. Winter of Brunswick Technical College license to build Kiebitz two-seat STOL monoplane. In 1956 began development of SM-67 Turbomeca Artouste-powered five-seat helicopter, initially as private venture and later to government contract.

hesham · Veteran Member - Level 3

Hi,

the Merckle M-101;

https://stadtarchiv.heilbronn.de/publikationen/online-publikationen.html