Messerschmitt M 18
|An Armstrong-Siddeley Lynx-powered M-18d of Ad Astra Aero in Switzerland|
|Manufacturer||Messerschmitt / Bayerische Flugzeugwerke (BFW)|
|Primary user||Nordbayerische Verkehrsflug|
|Number built||ca 24|
Design and development
Designed at the request of Theodor Croneiss to supply his new airline venture which was to become Nordbayerische Verkehrsflug (NOBA), it was a conventional high-wing cantilever monoplane with fixed tailskid undercarriage. The prototype was built of wood, although production examples would have a metal structure. The design was praised in its day for the cleanness of its aerodynamics, lightness of construction, and economy of operation
The first M 18 to enter service with NOBA was provided by Messerschmitt in exchange for a 49% share of the new company, and on 26 July it began commercial flights. NOBA's early successes enabled the company to place orders for additional examples of an improved model, the M 18b. It would eventually purchase twelve of these, but manufacturing them would exceed the capacity of Messerschmitt's own small firm, leading to a merger with Bayerische Flugzeugwerke (BFW) in 1927. Following NOBA's reorganisation into DEVAG in 1931, a small number of a further-improved version, designated M 18d, were ordered, but the type was soon superseded by the similar but larger Messerschmitt M 20.
- M 18a
- three-seat production version with 60 kW (80 hp) Siemens-Halske Sh 11 engine (two built)
- M 18b
- three/four-seat production version with 82 kW (110 hp) Siemens-Halske Sh 12 engine (12 built)
- M 18c
- photographic survey version with 164 kW (220 hp) Armstrong Siddeley Lynx engine (two or three built)
- M 18d
- enlarged six/seven/eight-passenger version, produced with a variety of engines, including the 164 kW (220 hp) Armstrong Siddely Lynx, 112 kW (150 hp) Walter Mars and 240 kW (320 hp) Wright Whirlwind. (eight built)
Specifications (M 18d)
- Crew: 1
- Capacity: 7 passengers
- Length: 9.4 m (30 ft 10 in)
- Wingspan: 15.8 m (51 ft 10 in)
- Height: 2.8 m (9 ft 2 in)
- Wing area: 24.8 m2 (267 sq ft)
- Empty weight: 890 kg (1,962 lb)
- Gross weight: 1,760 kg (3,880 lb)
- Fuel capacity: main tank:240 l (63 US gal; 53 imp gal); oil tank:20 l (5.3 US gal; 4.4 imp gal)
- Powerplant: 1 × Wright R-975 Whirlwind 9-cyl. air-cooled radial piston engine, 240 kW (320 hp)
- Maximum speed: 212 km/h (132 mph, 114 kn)
- Cruise speed: 180 km/h (110 mph, 97 kn)
- Landing Speed: 90 km/h (56 mph; 49 kn)
- Range: 630 km (390 mi, 340 nmi)
- Endurance: 3.8 hours
- Service ceiling: 5,300 m (17,400 ft)
- Rate of climb: 3.1 m/s (610 ft/min)
- Time to altitude: 1,000 m (3,281 ft) in 7 minutes
- Wing loading: 75 kg/m2 (15 lb/sq ft)
- Power/mass: 0.126 kW/kg (0.077 hp/lb)
|Wikimedia Commons has media related to Messerschmitt M 18.|
- Szigeti, Marton (July 1998). "Messerschmitt History: Civil Projects". Flug Revue: 74. Archived from the original on 2008-11-20. Retrieved 2008-10-24.
- The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing. p. 494.
- "1928 Berlin Aero Show". Flight: 919–92. 18 October 1928. Retrieved 2008-10-24.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 651.
- Mulder, Rob. "Nordbayerischer Verkehrsflug GmbH - NOBA (1926-1931)". europeanairlines.no. Archived from the original on 28 September 2007. Retrieved 2008-10-24.
- Smith, [by] J. Richard (1971). Messerschmitt: an aircraft album. London: Ian Allan. ISBN 0-7110-0224-X.
- Schneider, Helmut (1936). Flugzeug-Typenbuch 1936 (in German) (1936 ed.). Leipzig: Herm. Beyer Verlag. p. 12.