SOOOOOO,
This all started with an extra G1 chassis I had after buying two carts to make one.
THEN scored a Arctic Cat with a Spirit 5000 in it for 100$!!!!!!
So with the stock rear and driven pulley in the G1 this thing would do 50mph, mind you, it would get there like AC Cobra fast, but that's all it had wound out...
In the last month or so, I changed the gearing from the stock G1 rear to a jackshaft and sprocket rear, still running the G1 driven pulley and a 4:1 sprocket ratio on a 19.5" tall tire...
I don't have the front brakes installed YET (this weekends project I hope). But just running the RPMs up until the belt is what looks like 1:1 is 4000rpm.
Doing the math with the tire and ratio I have this is right around 60mph @ 4000rpm????
These motors were supposed to do 7500rpm+, which would put me at 108mph JUST WITH THE BELT @ 1:1!!!!!!!!
Not even accounting for over drive in high gear?????!!!!!
Does that even sound reasonable??
This all started with an extra G1 chassis I had after buying two carts to make one.
THEN scored a Arctic Cat with a Spirit 5000 in it for 100$!!!!!!
So with the stock rear and driven pulley in the G1 this thing would do 50mph, mind you, it would get there like AC Cobra fast, but that's all it had wound out...
In the last month or so, I changed the gearing from the stock G1 rear to a jackshaft and sprocket rear, still running the G1 driven pulley and a 4:1 sprocket ratio on a 19.5" tall tire...
I don't have the front brakes installed YET (this weekends project I hope). But just running the RPMs up until the belt is what looks like 1:1 is 4000rpm.
Doing the math with the tire and ratio I have this is right around 60mph @ 4000rpm????
These motors were supposed to do 7500rpm+, which would put me at 108mph JUST WITH THE BELT @ 1:1!!!!!!!!
Not even accounting for over drive in high gear?????!!!!!
Does that even sound reasonable??