1. Design and development

2. Variants

3. Aircraft on display

4. Specifications (U 1)

5. See also

6. References

7. External links

The Udet U 1 is a single seat monoplane built by the German Ace Ernst Udet.

Design and development

In the summer of 1921, a new aviation company was formed using the WWI German flying ace, Ernst Udet's name. William Pohl from Milwaukee, Henry Hans Herrmann and Erich Scheuermann joined to company to fund the aircraft before wartime treaty restrictions were lifted on aircraft production with the intent of building an inexpensive aircraft for the American market.^[1][2][3] The builders produced and flew the U 1 five months before the formation of the Udet Flugzeubau GmbH company.^[4]

The design was a single seat low wing, open cockpit monoplane with conventional landing gear. The aircraft was large enough to accommodate two passengers, but did not have enough power for more than one person.^[5] The company fell into mismanagement, later becoming part of Bayerische Flugzeugwerke, later known as Messerschmitt.^[6]

Variants

Udet U 1

Initial variant, as described. One produced.

Udet U 2

Two seat production variant with Haacke HFM-2a flat-twin.^[7] Four produced.

Udet U 4

{{convert|40|hp|kW|abbr=on|disp=flip}} Siemens-Halske Sh 4 five cylinder radial powered.

Udet U 6

{{convert|62|kW|hp|abbr=on}} Siemens-Halske Sh 5 radial powered with rounded rudder. Seven built.

Udet U 10

{{convert|40|hp|kW|abbr=on|disp=flip}} Siemens-Halske Sh 4 five cylinder radial powered. {{convert|10.5|m|ft|abbr=on}} wingspan.

Udet U 10a

Floatplane variant

Aircraft on display

• German Museum of Technology - 1924 U 10

Specifications (U 1)

|genhide=
|crew=1
|capacity=
|length m=5.33
|length ft=
|length in=
|length note=
|span m=8.9
|span ft=
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|height m=1.7
|height ft=
|height in=
|height note=
|wing area sqm=8
|wing area sqft=
|wing area note=
|aspect ratio=
|airfoil=
|empty weight kg=
|empty weight lb=
|empty weight note=
|gross weight kg=200
|gross weight lb=
|gross weight note=
|fuel capacity=
|more general=

|eng1 number=1
|eng1 name=Haacke HFM-2
|eng1 type=air-cooled two-cylinder, horizontally opposed piston engine
|eng1 kw=
|eng1 hp=22
|prop blade number=
|prop name=
|prop dia m=
|prop dia ft=
|prop dia in=
|prop dia note=

|perfhide=
|max speed kmh=180
|max speed mph=
|max speed kts=
|max speed note=
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|range km=
|range miles=
|range nmi=
|range note=
|endurance=2.5 hr
|ceiling m=
|ceiling ft=
|ceiling note=
|g limits=
|roll rate=
|glide ratio=
|climb rate ms=
|climb rate ftmin=
|climb rate note=
|time to altitude=
|lift to drag=
|wing loading kg/m2
|wing loading lb/sqft=
|wing loading note=
|power/mass=
|thrust/weight=
|more performance=
|avionics=
}}

See also

• Udet U 12

References

External links

• Udet U.1
• U 10 German

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