Fire Truck Turning Performance ReportTurning Performance Analysis
Bid Number:847 Chassis:Velocity Chassis, Aerials, Single Axle, Ascendant (Med Block)
Department:Chanhassen Fire Department Body:Aerial, Platform, 110' Ascendant, Single Axle, Quint, Alum Body
Parameters:
*Inside Cramp Angle:45°
Axle Track:82.92 in.
Wheel Offset:4.68 in.
Tread Width:16.6 in.
Chassis Overhang:78 in.
Additional Bumper Depth:22 in.
Front Overhang:137.5 in.
Wheelbase:233.5 in.
Calculated Turning Radii:
Inside Turn:18 ft. 5 in.
Curb to curb:33 ft. 10 in.
Wall to wall:41 ft. 4 in.
Notes:
*Actual Inside cramp angle may be less than shown.
Curb to Curb turning radius calculated for 9.00 inch curb.
04/08/2021
Category Option Description
Axle, Front, Custom 0637059 Axle, Front, Oshkosh TAK-4, Non Drive, 24,000 lb, Velocity (425 Tires)
Wheels, Front 0019611 Wheels, Front, Alcoa, 22.50" x 12.25", Aluminum, Hub Pilot
Tires, Front 0679621 Tires, Front, Michelin, XZY3 (wb), 425/65R22.50, 20 ply, Fire Service Load Rtng
Bumpers 0123626 Bumper, 22" Extended, Imp/Vel
Aerial Devices 0785885 Aerial,110' Ascendant Platform Single, ADS, 750/500 Tip, 35 MPH Wind
Definitions:
Inside CrampAngle Maximum turning angle of the front inside fire.
Axle Track King-pin to King-pin distance of front axle.
Wheel Offset Offset from the center line of the wheel to the King-pin.
Tread Width Width of the tire tread.
Chassis Overhang Distance of the center line of the front axle to the front edge of the cab. This does not include
the bumper depth.
Additional Bumper Wheel Depth that the bumper assembly adds to the front overhang.
Wheelbase Distance between the center lines of the vehicles front and rear axles.
Inside Turning Radius Radius of the smallest circle around which the vehicle can turn.
Curb to Curb Turning Radius Radius of the smallest circle around which the vehicle's tires can turn. This measures
assumes a curb height of 9 inches.
Wall to Wall Turning Radius Radius of the smallest circle around which the vehicle's tires can turn. This measures takes
into account any front overhang due to chassis , bumper extensions and or aerial devices.