michael gensel
Member
- Local time
- 2:34 AM
- Joined
- Feb 11, 2021
- Messages
- 40
A motorized bike with a 49cc engine can easily push you 20 mph plus on the flats, you will of course have to help it up steep hills, that is what assist engines are all about, a real moped is much heaver that a motorized bicycle and a 49 cc,1.5 hp engine wouldn't help much at all, 2 strokes are much more powerful per pound of weight than the 4 strokes, 4 strokes put out their torque at low rpm as 2 strokes put out thier torque at high rpm, since horsepower is calculated by torque in foot pounds times rpm divided by 5252 equals horsepower, you can see that the 2 strokes have a pronounced power advantage over 4 strokes in spite of the mixing of gas and oil and less of a lifespan, even modern 2 strokes weigh much less than a modern 4 stroke with sintered camshafts and sintered crankshafts to lose weight, I can hold a 2 stroke in one hand that can make 5 hp or more, it would take serious hopped up 4 stroke with sintered parts to even close to a good 2 stroke. Some of these guys are running a lot more powerful engines than 50cc on their motorized bikes and are as powerful as a small motorcycle, I guess it is up to cops at that point, if you are being annoying with it or drawing a lot of attention, they will get you sooner or later, I would think most cops probably couldn't care less unless if you are being annoying with it anyway, they have a lot more important things to do than chase hopped up bicycles, Mike gensel