# I need a math genious

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• 03-18-2003
thePope
well if you wanted to just jump a big ramp that would be easy to figure what you need to do. But you want to do a counter clockwise backflip? How do you plan to flip that thing around? That would be incredibly difficult thing to do. If it's actually physical possible(i don't think it is) what you need to figure by experimenting it how much time you need in the air and the distance you need. After that you can use these two equations to figure out your initial velocity.

R=Vi^2/g sin 2(theta) //this is for range the other person's
// like one person said you'll probably
//want to be at (theta)= 45d
//so just set it to 45d and solve for Vi
T=2Vi/g sin (theta) //For the amount of time you're in the air.

You'll simply have to figure out these two things and then solve your initial velocity. T and R depend on how fast you do your backflip which you can only figure out by experimenting. By the way I have doubts you can get enough velocity from a 4wheeler to get enough R and T for your flip. I suggest you set the ramp going off a cliff to get maximum flight time! :D

Actually thinking about it, you'll want to do something bigger than 45d, going up to about 70d. You should be able to simply lean back and use your weight and let the bike fall back over you. That's the only possible way I think of doing it. If you do lower you're gonna have to put A LOT of muscle in to it to throw the bike off it's center of mass. Which is very risky. good luck.
• 03-19-2003
RoD
The physics teacher has it almost worked out.

>>If it's actually physical possible(i don't think it is)

Yea it is. As i said before, several people have got the rotation with ease, its the landing that is hard to nail.
• 03-20-2003
RoD
I've pushed the day back into the beginning of may, bike problems came up today and i have to fix them.

EDIT: Turns out its the sensor box for the TOR system (Throttle //Override) fried again. Seems they only last a year
hehe, orderd a new one, day is still Apr 29, 2003
• 03-20-2003
Silvercord
why do you keep calling it a bike? Just because the blasters are small, it isn't a bike, it's a four wheeler! :mad:
• 03-20-2003
RoD
Racer lingo, we all call them bikes or quads, it doesnt rlly matter.
• 03-20-2003
CheesyMoo
Well I used to bike back in the day, I would say learn to backflip on the ground by yourself, then go really fast off a dirt jump and lean back, then spot your landing.
• 03-21-2003
RoD
I did learn how to backflip. Only one error in your logic however. An ATV is EXTREMELY hard to reposition side to side when in the air, so i have to spot the landing before i even leave the jump, not after the flip.
• 03-22-2003
Silvercord
Yeah rod I was riding my atv yesterday and I was thinking about how hard it would be to do a back flip on it. It's a little bit bigger than the machine you're going to do it with (the blaster), but imo you're nuts. I seriously don't even see how you can get that much metal to go up into the air and then actually rotate 360 degrees (YES ROD THAT'S 2 PI RADIANS YOU MATH GEENYUS YOU) and then land it back on its wheels.

How much do the banshees weigh? It doesn't seem to say it on the yamaha website, but chances are you're going to have a jump that goes almost straight up (both the snowmobiler and dirtbiker guys that did their back flips did them on almost vertical jumps). I seroiusly doubt the blaster's going to supply you with enough power to go straight up a ramp and then have enough forward momentum to allow you to pull it straight backward over yourself into a 360 degree rotation! The banshees probably weight at least 100 lbs more, but christ they've got a twin 2 stroke 347cc engine...it seems it would have a better power-to-weight ratio(also remember added weight increases momentum, although I'm not sure if increased momentum is necessarily what you want). Have you thought about trying to use a banshee (yeah, well I know banshees don't grow on trees but maybe you or a friend has one laying around...erm..yeah) instead of the blaster? I'm not an atv buff or anything, but I really think it would be awful to die by having an atv fall on your head, which I think you are at a great risk for.
• 03-22-2003
RoD
Banshee: 386lbs dry

http://www.yamaha-motor.com/products...tv&cid=1&mid=2

Anyway, i have seen videos of people flipping, just not landing, with a blaster.
• 03-22-2003
salvelinus
Quote:

Originally posted by RoD

Anyway, i have seen videos of people flipping, just not landing, with a blaster.

I think they always land, RoD. It's just a question of what lands first, rider or blaster. Remember, It's not the fall that kills you...
• 03-22-2003
windoze victim
ill arrange for that lap dance right away.
• 03-22-2003
RoD
Quote:

Originally posted by salvelinus
I think they always land, RoD. It's just a question of what lands first, rider or blaster. Remember, It's not the fall that kills you...
Very true, but you know what i meant : )

Dude if u can arrange that lap dance i'll even let u have her too.
• 03-23-2003
Silvercord
I still don't think that little blaster is going to have enough power to propel itself and you up a vertical jump (it's going to have to be almost vertical dude) and then have enough momentum to do anything other than fall three feet in front of the jump.

this is the path of the blaster in ascii:

--------
/-------- \
/ -----------|
/--------------|
/----------------|
----------------/-----------------@ <- = RoD = :(
• 03-23-2003
Silvercord
well it looked like this when i made it:
• 03-23-2003
RoD
LMAO

-----------------@ <- = RoD =

hahaha

Dude they CAN do it, i've seen them do it, the people always mess up on the landing. My blaster will nail 97mph, faster than stock banshee's go lol.
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