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Post by Deleted on Aug 20, 2019 9:50:36 GMT -5
The Driessen design was the winning contender in a late 1939 competition for a possible KLM long range passenger/mail aircraft. The plane must be able to fly non-stop from Amsterdan in The Netherlands to Batavia in the Dutch East Indies, now Djakarta in Indonesia. The contest was organised by the 'Comité Vliegtocht Nederlands Indie' (Committee Flight to Dutch India) Several designs were judged by the Royal Dutch Insitute for Enineers. 1st and winning design was the Driessen Flying Wing. E.A.Driessen was chief engineer of the research department of the KLM. Unfortunately , Europe was at the eve of WWII and the flying wing design never came to the hardware stadium. Some specs: lenght:11.50m span : 34m height : 3.70m wingsurface : 175m2 total weight : 17.500kg cruising speed :328km/h max .range : 20.000km powered by 3 Junkers JUMO diesels. type and performence not known. Source: www.secretprojects.co.uk
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Post by jacklyon on Aug 21, 2019 5:54:48 GMT -5
hi Bernard
nice information
where we can download the aircraft
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Post by Deleted on Aug 21, 2019 11:20:03 GMT -5
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Post by jacklyon on Aug 21, 2019 16:33:12 GMT -5
Thanks amigo
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Post by Dennis the menace on Aug 24, 2019 14:24:14 GMT -5
The five motor job was even more amazing. It was to have been gigantic. Inside the hollow wings were to have been corridors and hotel rooms complete with showers and bathtubs. Small observation lounges and cocktail bars and a library were located at the forward parts of the inner wing with panoramic windows for viewing the scenery. In the fuselage were the flight center located in the front, and behind that were the main lounges, smoking room, dining rooms, kitchens, movie theaters, hairdressers salons and the dog kennels. There was to be a playground for children. In the words of Norma Desmond, "its going to be grand, simply g-r-a-n-d!" Imagine a flight from Amsterdam to New York - you settle in after you reach cursing altitude and muse over a few books in the aircraft's library. After a cocktail and snacks, you then proceed to the kennels and get your pup and talk a stroll down one of the many promenades. After that, its back to your room and then to the barber shop. Then back to your room for a leisurely bath or shower and dressed for dinner. Then off to the Grand Salon for a 7 course meal. Then the ladies would go off to the sitting room, and the men to the smoking room. Later on, perhaps dancing or taking in a movie. After a full day, you turn in for the night, and the next day you're in New York in time for dinner and a show. They say Howard Hughes was interested in purchasing some for TWA....but then the war intervened...and the rest is history.
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Post by chris_c on Aug 25, 2019 13:58:56 GMT -5
Well, I took it for a trial flight around Schiphol and out over the North Sea. Weights and fuel as loaded in FS, rotated at 180 Km/h and took off at about 205 km/h with zero trim and flaps 10* (Flaps-1). Lots of power, climbed out at about 3 m/s at 260 km/h. Very stable, directional handling is good but it's a bit slow to respond, which seems about right. Landed at full flap, touchdown at 180 km/h in an almost flat attitude. The wheel brakes are not very effective and it seemed to roll a long way before speed bled off.
Cruised a while at 1600 metres 2200 RPM @ 24" MAP showing about 280 km/h IAS. Slowing down requires reducing power to almost idle and being patient I deployed the landing gear at about 230 km/h as speed brakes but have no idea if they would have been strong enough to do that.
The model only has two tanks carrying just 142 US gallons (~500 litres) of fuel and I burned about a quarter of that just learning the controls. Had planned to do a demonstration flight into Croyden but was not sure that it had the endurance to make the trip. Seems a bit short legged for a plane intended for colonial service, is it possible that the D-III might have been intended solely as a technology demonstrator?
Some gauges were missing in the panel but that was quickly fixed. May tinker with the payload and fuel, adding a third tank with much increased capacity.
Thanks for posting about it and to Andreas Becker for creating the D-III and uploading it as freeware.
Chris
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Post by agent0archer on Aug 27, 2019 11:57:52 GMT -5
The five motor job was even more amazing. It was to have been gigantic. Inside the hollow wings were to have been corridors and hotel rooms complete with showers and bathtubs. Small observation lounges and cocktail bars and a library were located at the forward parts of the inner wing with panoramic windows for viewing the scenery. In the fuselage were the flight center located in the front, and behind that were the main lounges, smoking room, dining rooms, kitchens, movie theaters, hairdressers salons and the dog kennels. There was to be a playground for children. In the words of Norma Desmond, "its going to be grand, simply g-r-a-n-d!" Imagine a flight from Amsterdam to New York - you settle in after you reach cursing altitude and muse over a few books in the aircraft's library. After a cocktail and snacks, you then proceed to the kennels and get your pup and talk a stroll down one of the many promenades. After that, its back to your room and then to the barber shop. Then back to your room for a leisurely bath or shower and dressed for dinner. Then off to the Grand Salon for a 7 course meal. Then the ladies would go off to the sitting room, and the men to the smoking room. Later on, perhaps dancing or taking in a movie. After a full day, you turn in for the night, and the next day you're in New York in time for dinner and a show. They say Howard Hughes was interested in purchasing some for TWA....but then the war intervened...and the rest is history. Wow. Now that I'd like to see as an Add on. Along with the Lockheed Constitution and the Convair XC-99.
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