Hall XPTBH

The Hall XPTBH was an American twin-engined seaplane submitted to the United States Navy by the Hall Aluminum Aircraft Corporation in response to a 1934 specification for new bomber and scout aircraft. Constructed in an innovative fashion that made extensive use of aluminum the XPTBH proved successful in flight testing but failed to win favor with the U.S. Navy.

porazil konkurenčný plavákový typ Hall XPTBH-2 a typ Great Lakes XTBG-1, u ktorého firma znovu použila už nevyhovujúcu dvojplošnú koncepciu, vylepšenú iba o zaťahovací podvozok.1
that the Hall XPTBH, a patrol torpedo bomber, was the only aircraft that ever received three mission designation letters in the U.S.2

Made by Hall Aluminum Aircraft Corporation.

The Hall XPTBH was a twin-engined seaplane submitted to the U.S. Navy in a 1937 competition for bomber aircraft.3
PTBH Hall XPTBH-2 Torpedo-bomber flying boat developed from the PH. The Navy did not ask for such aircraft...4
Empty Weight Lb
11992
Sole Example Of Type
Y
Combat Range Note
with torpedo
Prop Name
Curtiss constant-speed
Eng 1 Type
radial piston engines
Ceiling Ft
20400
Cruise Speed Mph
170
Max Takeoff Weight Lb
21414
Program Cost
309000.0
$309
000 USD
Military Serial
9721
Span In
4
Bombs
One Mark XIII torpedo or up to bombs
Gross Weight Lb
17983
Airfoil
Clark YM
Number Built
1
Crew
Four
Range Nmi
2278
Prop Blade Number
3
Height In
1
Ceiling Note
at mission weight
Primary user
Combat Range Nmi
739
Manufacturer
Lists
*List of military aircraft of the United States (naval)*List of seaplanes and amphibious aircraft
Max Speed Kts
158
First Flight
February 1937
Eng 1 Name
Pratt & Whitney R-1830 Twin Wasp
Height Ft
24
Span Ft
79
Time To Altitude
318.0
Wing Area Sqft
828
Guns
2
Length Ft
55
Prime Units
imp
Similar Aircraft
* Blohm & Voss Ha 140* CANT Z.506* Fiat RS.14* Fokker T.VIII* Heinkel He 115
Eng 1 Hp
800
Eng 1 Number
2
Wing Loading Lb/sqft
26
Length In
11
Fate
1938-09-21
Destroyed in hurricane
Category

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