help with gear ratios?
336317
It is very difficult to accurately describe a gear train in words (even for an engineer).  However, if you study the link you will better understand gears and make your own calculations which is ideal for a school project, right?
149534
Ok assuming you are part of the real world and race on the street where they dont have a tree, sorry race chick. There are several things you can do to improve launch i have had a 89 mustang gt and i didnt do alot to the engine at first it was all about suspension and other things to get me off the line faster the first thing i done was put in a trunk mount battery kit to help waight transfer then 40/60 drag shocks fron edlebrock and eiback 1" lowering springs in the rear also i ran a pair of Nitto drag Radials and 3.73:1 rear gears you can email me @ williamb606@yahoo for specifics
288936
.030 over - 355\n.030 over/w 400 crank - 383\n.030 over 400 block  - 406\n.030 over 400 block/w 350 crank - 377 (nice combo, BTW)\n.030 over 400 block/w 327 crank (3.25) about 350 ci
405779
buy a manual boost controller and boost gauge used on ebay, and crank that baby up, not too high tho or it will hurt the motor.  im not sure exactly what type of turbos are on a stock 3000gt, but i had my stock tsi turbo up to about 17 psi or so.
229901
Finding the individual cog may prove to be tough. You can, however, buy a complete freewheel with a 34 tooth cog on it from Harris Cyclery.\n\nhttp://www.sheldonbrown.com/harris/freewheels.html#7
902796
go to ur nearest performance shop to order you in a performance transmission, by a performance clutch kit and a performance flywheel, tune and them feel it out on the tracks
677306
depending on which track they are at and what their motor setup is they constantly change gear ratios in the transmission and rear end.  in doing this the rpm's of the motor combined with the different gear ratios you will never have a consistent calibrated ratio on the speedo cable.
907686
M1V1 = M2V2\n\nso you are starting out with a .1M times V1 is going to be equal to .08M times how ever much you need.  so you need ratios 5:1, 5:2,  5:3, and 5:4.
960317
Technically your bike has 21 gears--the number of rings on the front times the number of rings on your cassette in the back.  However, you don't really have 21 usable different gears.  This is because:\n\n1) Depending on how many teeth are on your chainrings (front rings, you have 3) and your cassette (7 rings on back), you may have some gears that repeat.  It is all about the ratio between the front ring and the back ring the chain is on.  For example, let's say your middle front ring has 38 teeth and one of the rings on your cassette in the back has 19 teeth, you have a ratio of 2 to 1 when your chain is on these two rings.  If your smallest ring in the front is 28 teeth and your smallest ring in the back is 14, you again have a ratio of 2 to 1, so these gears are actually the same.  \n\n2) There are also certain gears you should not use.  You should avoid cross-chaining--being in smallest ring in front (closest to the bike, on the inside) and the smallest ring in back (farthest away from the bike) or largest in front (farthest away from bike) and largest in back (closest to the bike).  Either of these gears, or close to them, puts a lot of stress on your chain because it torques it sideways.  This will cause additional wear on the chain and shorten the life of it.  Most bikes will allow you to do this because the chain is put at a length to allow for it, but it will also likely cause your chain to rub somewhere and also possibly make your bike not stay in gear very well.  \n\nHowever, these days, rather than multiplying the number of front and back rings to get speeds, bikes are now often referred to by the number of rings on the chain ring and cassette separately.  You ride a 3 by 7 (3x7).  A double road bike with a 10 speed cassette (typical of today's high end road bike) is a 2x10.  A more touring oriented road bike often has a triple chainring and is likely to be a 3x9 or 3x10.  A fairly typical mountain bike is a 3x9, but there are a lot of 2x9 or 3x8s out there too.
420024
Shifting without letting off of the gas!  Keep your right foot matted to the floor and just brush the clutch pedal--snatch a gear and keep gittin' up!
1159731
Learn to establish a good shift-brake ratio. The majority of society are unable to apply the necessary established perimeters that are needed. Good luck!
313950
As much horsepower and torque as you can afford, use a longbed frame/body, and move the rear end back next to the bumper--use a tall rearend 5:13-6:50 and a six-gear automatic manually shifted--Good luck!!!
338875
Gears via manual transmission :)
947213
Hi. Your link is bad. Usually there is a pressure applied to one of the pistons and the other exerts a force based on area difference. Twice the area, twice the force. Your ratio is .3 to 1.3. Hope this helps.
342186
You will be ok with 40:1...in fact you're probably ok with 50:1 as todays oil and gas are far superior to 1975's. I used to run my 1963 Johnson 18hp at 50:1 for years without a problem...start with 40:1 and if you foul then clean your plugs and go a little leaner. Also, I recommend either penzoil or merc oil but make sure it says tcw on the label. good luck!
151091
If you want accelleration you get a higher number gear ratio but it will cruise at a higher rpm on the highway. It will be quicker off the line, but not faster on the highway.\nIf you want a higher top speed you have to use a lower number like 2.19...
275462
Gear ratio, or in a car, final drive ratio is basically the number of times the tires rotate in relation to the number of times the drive shaft or axles rotate.\nLet's say in a rear wheel drive car you have a rear end gear of 3.91:1 This would sound out as three point nine one to one.\nThe drive shaft will rotate 3.91 times for every 1 complete rotation of the tires.\n\nThe transmission also has gears, and each speed has a ratio, 1st gear, or Low being the lowest ratio. Usually somewhere in the 2.78:1 neighborhood. 2nd, or Low2 would be a bit higher, say 2.02:1 3rd gear, or D would be something like 1:60.1 and 4th or Overdrive would be 1:1 or an equal rotation of 1 to 1.\nOf course these are random numbers, and several things will factor in for actual ratios in a trans, and/or rear end.\nFront wheel drive cars also have a final drive gear, and would be similar in ratio to the rear end ratio of a rear whel drive car or truck.