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Old 03-17-2011, 12:02 AM   #1
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Join Date: Mar 2005
Location: near Houston
Default [WWII] Beechcraft C-45 Expeditor (Model 18 “Twin Beech”) (USA)

Beechcraft C-45 Expeditor (Model 18 “Twin Beech”)
Copyright 2011 by Brandon Cope

The C-45 was a twin-engine, twin-rudder staff transport which first flew in 1940 and was based on the earlier civilian Model 18* "Twin Beech". It was quickly adapted to other roles and some 9,000 of 32 variants (including civilian models) were manufactured Nearly 1,400 C-45's of all types were built, with most (over 1,100) being the C-45F. In 1943 the type designation was changed to UC-45.

Crew consists of a pilot and copilot. The C-45F uses 34 gallons of aviation fuel per hour at routine usage.

Subassemblies: Medium Fighter-Bomber chassis +4, Light Fighter-Bomber Wings +3, two Large Weapon pods +2, ywo partial rotation Small Weapon Turrets +0, three retractable wheels +1.
Powertrain: 2x336-kW aerial HP gasoline engine [Pods:F] with 2x336-kW prop and 165-gallon standard fuel tanks [Wings].
Occupancy: 2 CS, 6 PS Cargo:10 Body, 1 Wings, 3 Pods

All: 2/3

Body: Medium radio receiver and transmitter, duplicate controls, navigation instruments, autopilot.

Size: 34'x48'x10'
Payload: 1.14 tons
Lwt: 4.36 tons
Volume: 448
Maint.: 37 hours
Price: $29,900

HT: 10
HP: 210 [body], 165 [each wing], 120 [each pod], 20 [each wheel]

aSpeed: 215
aAccel: 5
aDecel: 27
aMR: 6.75
aSR: 2
Stall: 61

Design Notes
Design speed was 190 mph. The historical speed has been used, as well as the actual wing area (349 square feet). Weight, cost and HPs of the wings were halved. Weight was reduced by 13%.

The Model 18A (1937) was the initial civilian version. It carried 7-8 passengers and had a max weight of 3.35 tons. Speed was 220 mph. The S18A could be equipped with skis or floats; max weight was 3.6 tons

The Model 18D could carry nine passengers. The S18D could be fitted with skis or floats.

The C-45 seated six and the C-45A and -B seated eight.

The AT-7 Navigator (1941) was a navigation trainer with three students in place of passengers. 577 were built The SNB-2 was the Navy version, with 299 built.

The AT-11 Kansan (1941) was a bombing and gunnery trainer. It was fitted with a bomb bay, a nose machinegun and a second machinegun in a dorsal turret. Almost 1,600 were built. Another 100 were built for the Navy as the SNB-1.

The Navy used the C-45 as the JRB. Most were used in the transport role (JRB-2, -3 and -4), but there was also a photo-reconnaissance version (JRB-1). Almost 380 total were built.
A generous and sadistic GM,
Brandon Cope

GURPS 3e stuff:
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airplane, trainer, transport, usa, wwii

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