Wombania: Land of the Wombies



Club Wombania: Binky's Rocket Car Dilemma

(Recommended for advanced Wombies Only!)

Binky has designed a new rocket-powered car and wants to know how fast it will go. Unfortunately, the weather at his test track isn't cooperating. Can you help Binky calculate the theoretical top speed of his rocket car?

Binky's Experimental Rocket Car

Rocket Car Type .................... The BR Mark III

Seating Capacity ................... One Wombie plus Snacks

Length .................................. 112.2 inches

Width ................................... 37.4"

Height .................................. 43.9"

Wheelbase ............................ 72.3"

Rear Track ............................ 32.0

Tire Size ............................... 3 tires, R75/85ZR-10

Tire Inflation Pressure ............ 45 psi

Rocket Engine ....................... B-R 250-C

Rocket Propellant .................. Kerosene & Liquid Oxygen

Maximum Thrust .................... 6,700 lbs

Instrumentation ..................... Computer-Controlled Digital Instrument Array (Binky's design)

Control System ..................... Redundant Fly-by-Wire

Body Material ........................ Carbon Fiber

Navigation System ................. Six Channel Satellite GPS with Enhanced Trajectory Tracking

Test Weight (Includes Fuel, Binky, and Wine Gums)..... 1,846 lbs

Coefficient of Drag ................ 0.178

Frontal Area .......................... 464 sq inches

Braking Systems .................... Air Brakes, Parachute, Ejection Seat

Altitude of Test Track ............. 0 feet (sea level)

Number of Wine Gums Consumed While Constructing ........ Incalculable

Sponsors .............................. The Binky Institute, Club Wombania, & Chris Land


Hint: The calculations involve drag, power, and Binky's insatiable desire to be the fastest Wombie alive.

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by Peter Marinacci


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