Project Title:
Off-Road Mini-Bike
Engine Recommendation:
2.5 hp
Intended Use:
Off-road driving, hunting, scouting, recreational
Features:
Large ATV-type rear tire, extendable rear rack
Project Title:
Pocket Bike
Engine Recommendation:
3/4 hp
Dimensions:
2 feet in length
Key Feature:
Compact size (fits in school locker suggested)
Project Title:
Larger Gas-Powered Scooter
Engine Recommendation:
1.5 hp (suggested higher for speed/hills)
Frame Material:
Angle iron
Intended Use:
Street cruising, short distance transportation
Features:
Sheet metal skin (optional), spring shocks
Project Title:
Motorized Bicycle
Engine Recommendation:
1 hp air-cooled
Construction Notes:
Requires custom work on existing bicycle
Project Title:
Vintage Style Mini Bike with Torque Converter
Transmission:
Torque converter (variable-ratio belt transmission)
Top Speed:
30 mph (flat ground)
Key Features:
Torque converter for hill climbing, uses junked bicycle parts, lightweight, low-cost design
Frame Source:
Discarded 26-inch boy's bicycle
Project Title:
Vintage Style Mini Bike with Torque Converter (Duplicate of Plan 5)
Transmission:
Torque converter (variable-ratio belt transmission)
Top Speed:
30 mph (flat ground)
Key Features:
Torque converter for hill climbing, uses junked bicycle parts, lightweight, low-cost design
Frame Source:
Discarded 26-inch boy's bicycle
Project Title:
Mite Cycle (Vintage Mini Motorcycle)
Engine Recommendation:
5/8 hp (Briggs and Stratton suggested)
Fuel Efficiency:
120 miles per gallon
Payload Capacity:
250 lbs
Frame Material:
Salvaged aircraft streamline tubing (e.g., 2-1/2"x.035 wall)
Tools Required:
Small lathe, hack saw, welding torch
Estimated Build Cost:
$50 (at time of publication)
Project Title:
Gas-Powered Sit-Down Scooter
Engine Recommendation:
2.5 hp
Intended Use:
Neighborhood cruising, exploring, keeping up with go-karts
Construction Notes:
Sturdy design, potential for trail riding