Project complete Sunday 3 June, 2007 ~8PM PDT / 0300 GMT / Zulu
rollout shot:
Project: Hackney Expedition Vehicle
Goal: Self-sufficient, Self-Extracting Global Expedition Vehicle
Mission: 2 - 3 years of unsupported exploration primarily in developing countries
Project time: One year
Build time: Nine months
Project type: Private
Funding: Privately funded, no commercial sponsorships, endorsements, financial or product support
Concept design: Douglas Hackney - inspired by an FG/Bigfoot design of Carl Hunter
Bumpers, frame extension, pivot frame, storage box, etc. design and implementation: Mark Johnson
Electrical, plumbing, electronics, etc. systems design and implementation: Douglas Hackney
Custom storage boxes: Fleet Metal Box
Powder Coating: Jerico Metal Fabrication and Powdercoat
Chassis: 2007 Mitsubishi Fuso FG 140 4x4
Camper: 2006 Bigfoot 20C10.11FR
Engine type: DOHC 4-stroke cycle, water-cooled, turbocharged, intercooled diesel
Power: 147 HP @2700 RPM / 108.12 KW
Torque: 347 ft/lb (lbf/ft) @1600 RPM / 47.97 kgf/m
Displacement: 299 c.i. / 4.899 liters
Bore/Stroke: 4.49x4.72" / 114x120mm
Drivetrain: four wheel drive, manually selected, dual range
Front axle: open
Rear axle: limited slip
Transmission: 5 speed manual
Overall gear ratio (1st Gear - Low 4 Wheel Drive): 64.2:1
Top speed: ~75 m.p.h. / 120.70 k.p.h.
Cruising speed: 60 m.p.h. / 96.56 k.p.h.
Tires: Mud & Snow Yokohama Y-7428 LT742 235/85R16; 3 polyester plies sidewall, 2 steel plies tread
Spare tires & wheels: two
Overall length: 27.17' / 7.98 meters (tip of front bumper to rear bumper)
Overall height: 12.04' / 3.67 meters
Overall width: 8.58' / 2.62 meters (rub rail to rub rail)
Front axle track: 65.6" / 166.62cm
Centerline to centerline rear duals: 10.75" / 273.05mm
Outer edge of tire tread to outer edge of tire tread - front: 71.75" / 1822.45 mm (stock tires)
Outer edge of tire tread to outer edge of tire tread - rear: 79.00" / 2006.60mm (stock tires)
Wheelbase: 154" 12' 10" / 3.91 meters
Turning radius: 28.2' / 8.56 meters (outer tread edge of outer front tire)
Mid Wheelbase ground clearance: 15" / .381 meters (stock tires)
Minimum ground clearance: 12.5" (xfer case skid plate) / .318 meters (stock tires)
Front differential ground clearance - max load: 8.5" / 215.9mm (stock tires)
Rear differential ground clearance - max load: 7.625" / 193.68mm (stock tires)
Horizontal centerline front differential, max load: 14.375" / 365.13mm (stock tires)
Horizontal centerline rear differential, max load: 14.125" / 358.78mm (stock tires)
Breakover: 79 degrees (from vertical at mid wheelbase), 11 degrees from wheels (stock tires)
Approach angle: 29.4 degrees (to front cab step) (stock tires)
Departure angle: 17.1 degrees (to departure caster wheels) (stock tires)
Top of rear wheel to box: 7.25" / .184 meters (stock tires)
Bottom of frame rail to ground @ rear axle: 26.5" / .673 meters (stock tires)
Bottom of frame rail to ground @ front axle: 29.5" / .749 meters (stock tires)
Chassis (everything except the camper) % of total weight: 63%
Camper % of total weight: 37%
Front axle % of total: 36%
Rear axle % of total: 64%
Left side % of total: 51%
Right side % of total: 49%
Left front % of total: 19%
Right front % of total: 17%
Left rear % of total: 33%
Right rear % of total: 30%
Center of gravity behind front axle: 98.14" / 249.28cm
Center of gravity from passenger outer tread: 36.19" / 91.92cm
Center of gravity height: 58.92" / 149.657cm (estimated based on tilt test)
Maximum left roll angle: 31.12 (estimated based on tilt test)
Maximum right roll angle: 31.56 (estimated based on tilt test)
Maximum back roll angle: 43.48 (estimated based on tilt test)
Maximum front roll angle: 59.02 (estimated based on tilt test)
Shocks: Bilstein
Springs: Deaver
Rear sway bar: 1.25" / 31.75mm x 36" / 91.44cm
Camper & storage box frame: three point pivot
Pivot frame suspension: 50/50 Fox shocks
Fuel capacity: ~100 gallons / 378.54 liters
Range: >1,000 miles / 1,609 kilometers
Fuel tanks: dual saddle
Fuel filters: dual one micron with online hot swap backup
Genset fuel rate: ~.2 gallons / .76 liters per hour
Air compressor: 4 cfm / 113.27 liters per minute
Air tank: 4 gallon / 15.14 liters
Maximum system working pressure: 150 psi / 1034 kpa / 10.34 bar
Air seats: dual, 3" stroke, 5 air bladders, heated
Air horns: triple, 152 decibels
Drinking water capacity:
Raw, filtered & unsterilized: ~45 gallons / ~170 liters
Fresh, filtered & sterilized: 33 gallons / 125 liters
Total: ~78 gallons / ~284 liters
Gray water: 32 gallons / 122 liters
Black water: 32 gallons / 122 liters
Macerator pump output hose: 75 feet / 22.86 meters
LP capacity: ~20 gallons / 75.7 liters
House bank batteries: 840 amp hours
House bank dedicated alternator: 135 amps
Solar panel output: 19 amps
External AC input: 120/220 VAC / 60HZ, 30 amps single phase
Guest power output: 120/220 VAC / 60 HZ, 20 amps single phase
Diesel genset: 30 amps 120V single phase
Inverter: 3000 watts, 120V single phase
Raw water input: any fresh water source
Drinking water filtration: <1 micron
Drinking water purification: activated charcoal, Ultraviolet light sterilization
Input pump rate: 7 gallons per minute / 26.5 liters per minute
Internet access: global
Bandwidth: >200kbs
Voice communications access: dual global, cab and camper external antennas for primary, camper external antenna for backup
Local voice communications: GSM 3G
Low data rate access: global
Emergency Beacons: EPIRB 406 MHZ global
Radios: VHF (bike to bike, bike to truck), CB (US band)
GPS: one fixed, three portable, cab and camper external antennas
Front winch: 16,500 lbs. / 7,484 kilos
Rear winch: 16,500 lbs. / 7,484 kilos
LAN: Gigabit Ethernet
WLAN: 802.11g
Data storage: 2TB configured as 1.5TB RAID5
Document handling: color scanner/copier/ink jet printer 8.5x11" / 21.59x27.94cm
Photo printing: 4x6" / 10.16x15.24cm dye sublimation
Cab video: DVD playback, rear color camera w/microphone
Cab stereo: 300 watts, four 4.5" / 114.3mm drivers, one 10" / 254mm subwoofer
Camper stereo: 70 watts, four 5.25" / 133.35mm drivers
Camper TV: 25" / 63.5cm LCD HD (US standard ATSC)
Camper TV sound: 5 channel Dolby/DTS wireless headphones
Camper TV playback: upconverting DVD
iPod integration: cab and camper
Berth: fixed ~60x80" / 152.4cm/203.2cm
Head: dry, fixed shower
Range/cooktop: three burner
Oven: convection microwave
Furnace/heater: 30,000 BTU
Water heater: 6 gallons / 23 liters
Refrigerator (3 way: LP, 12VDC, 120VAC): 6 cf / 169 liters
Air conditioner: 11,000 BTU
Galley sink: dual
Integrated exterior LP Grill: 12,000 BTU stainless steel
Primary chassis materials: steel, stainless steel, aluminum
Primary camper materials: chopped mat fiberglass & wood ply sandwich cored with injected foam, wood, single layer fiberglass
Camper glass: dual pane
Camper leveling jacks: electric / manual
Fire extinguishers: Four ABC type (cab - 1; storage boxes - 1, camper - 2)
Ditch bags: two
Vehicle recovery kits: one
Winch line extensions: two
Winch anchor: 14,000 lbs / 6,350 kg capacity
Hand tools: ax, cross bow saw, pick, short and long shovel, pry bar
Pneumatic impact wrench: 1/2" / 12.7mm 500 ft/lb / 69.13 kgf/m
Locking external storage capacity: 268.01cubic feet / 7.59 cubic meters / 7,589 liters
Camper internal storage: 92.98 cubic feet / 2.63 cubic meters / 2,633 liters
Total storage: 360.99 cubic feet / 10.22 cubic meters / 10,222 liters
Auxiliary vehicle storage capacity: two motorcycles up to 94" / 238.76 cm long and 48" / 121.92cm high (taller bikes can be accommodated if you compress the forks)
Other views just prior to completion (missing some box corner / stone guards):
Project buildup photos are at:
BEV Buildup Photos