GURPSよろず

Dayton-Wright DH-4 (Vehicle)
　-79 points
　An American version of the British De Havilland DH.4 biplane. Nearly 5,000 were manufactured during World War I; after the war, large numbers were sold for civilian use at bargain prices (with the weapons mounts removed!). A band of adventurers might plausibly have two or three. Vehicle statistics from GURPS High-Tech, p. 233 appear here for convenience.

　The DH-4 has the Vehicle meta-trait (p. 9) and cannot operate without a human pilot.

　The DH-4 is 30’ long, with a 43’ wingspan; its SM (which doesn’t take wingspan into account) is +4. A scale factor of 5 (10 yards/2 yards) gives a weight estimate of 15,625 lbs.; since unloaded weight is actually 1.7 tons or 3,400 lbs., its density is 0.22, allowing it to float (until its body fills with water). ST and HP come from unloaded weight (4 × cube root of 3,400). HT reflects its relatively light construction. Planes of this era run on standard gasoline, which is a Common fuel. Its fuel tanks make it Flammable.

　Basic Move (on the ground) is bought down from 5; air Move is bought down from 10. Enhanced Move 2.5 (Ground) gives ground speed 24, a little above its stall speed of 23. Enhanced Move 4 (Air) allows air speed 64, just above its actual top speed of 62. Its Flight (included in Fixed-Wing Aircraft) has Cannot Hover, requiring it to maintain at least air speed 16, raised to 23 for historical accuracy. With Basic Lift 720 lbs., Payload 11 lets it carry 792 lbs. (rounded to 0.4 ton), providing 40 cubic feet of internal space. Cruising speed of 1.6 mph × top speed is 99 mph, letting it cover 396 miles in 4 hours, close enough to the actual 420 miles to count as four hour endurance (Increased Consumption 1).

• Attribute Modifiers: ST+50 (No Fine Manipulators, -40%; Size, -40%) [100]; HT-1 [-10].
• Secondary Characteristic Modifiers: SM +4; Basic Move-1 [-5]; Air Move-6 [-12].
• Advantages: DR 3 (Can’t Wear Armor, -40%) [9]; Enhanced Move 4 (Air Speed 62; Nuisance Effect, Propeller, -5%) [76]; Enhanced Move 2.5 (Ground Speed 24; Environmental, Unpaved Flat Surfaces, -40%) [30]; Injury Tolerance (No Neck) [5]; Machine [25]; Payload 11 [11].
• Disadvantages: Fixed-Wing Aircraft [-78]; Fragile (Flammable) [-10]; Increased Consumption 1 [-10]; Restricted Diet (Gasoline) [-20]; Vehicle [-190].
• Features: Tail Strut.*

　* The DH-4 has only two wheels, which can be crippled by (HP/4) injury. A tail strut keeps its tail from dragging on the ground, but can be used safely only on a grassy field, not on a paved airstrip. Injury over (HP/3) cripples the strut, which can be targeted at -3.

Customization Notes
　Some owners install two-way voice radios: Telecommunication (Radio). The military version of the DH-4 has two fixed weapon mounts controlled by the pilot (treat as Accessory perks) and two flexible mounts controlled by the observer (treat as Weapon Mounts and also buy Compartmentalized Mind (Dedicated Controls)); see GURPS High Tech for details.


DH-4 Vehicle Stats

TL	Vehicle	ST/HP	Hnd/SR	HT	Move	LWt.	Load	SM	Occ.	DR	Range	Cost	Locations	Stall
6	DH-4	60	0/3	9f	4/62	2.1	0.4	+4	2	3	420	$85,000	O2W2Wi	23

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