VW Jetta Cabover Sleeper

Zdenek Zumr

Design StudyAero Dynamics

UtilityBuild

Long-term Goal

Design a cabover sleeper and build a functional model of an addition to a 2011 VW Jetta Sportwagon that is easily mounted / removed without modifications to the car.

Points of contact are rooftop rails and trailer hitch.

Customer Wishes

Provide sleeping quarters for two

Insulated / vented space

Water proof / storm resistant

5 minute set up / break down

Enclosed cooking facility (Propane cooker)

Fulfilling Customer Needs

Maintain high mpg rating on vehicle, currently 42+ mpg when cruising. Aerodynamics most inportant factor.

Weight limit 300 lbs

Road worthy; withstand 100 mph head wind.

Water tight; withstand driving rain when moving, withstand pouring rain when set up.

Cost Analysis

Design and prototype funded up to $1000.-

Conduct manufacturing feasibility study and cost for 1k production run.

Identify prospective manufacturers, tooling providers, material sources.

Delivarables

CFD analysis of aerodynamics

FEA analysis of hardware

Scale model of vehicle and sleeper attachment for wind tunel verification

Full documentation of design process, challenges