what equation are you even using to figure that??? i used to be good in math but i can't even figure out where to begin at 4k rpm at the motor what does that mean the rear is turning? is that where the 3.667 comes in? so you devide 3.667 by 4000 some how i got either 1k mph or 7mph. Date: Wed, 23 Apr 2008 08:10:49 -0700 From: bugcollections@xxxxxxxxxxxxx Subject: [tcb] Re: Home OK, you big math heads To: tcb@xxxxxxxxxxxxx I got the 76.4 using 23.5" tire diameter. You must have used his 24". But whatever, it's too darn fast for a bus, even if he does have a sway bar. evilscientistboo@xxxxxxxxxxxxx wrote: Assuming a 3.667 final drive at 4000 RPM I get 78 mph (77.9) The dog's motion is relative to the bus however if you measure relative to the road it is moving at 78 mph. -----Original Message----- From: Denis Dodson Sent: Wednesday, April 23, 2008 8:57 AM To: tcb@xxxxxxxxxxxxx Subject: [tcb] Re: Home OK, you big math heads 23 1/2" to 24" ----- Original Message ----- From: sammie smith To: tcb@xxxxxxxxxxxxx Sent: Wednesday, April 23, 2008 8:51 AM Subject: [tcb] Re: Home OK, you big math heads Denis: We can calculate if you will get a ruler and go measure the diameter of YOUR rear tire. Tire diameters vary by brand even for the same size So measure your tire. Denis Dodson wrote: I didn't know that this could be calculated, but it will be fun to know _________________________________________________________________ Make i'm yours. Create a custom banner to support your cause. http://im.live.com/Messenger/IM/Contribute/Default.aspx?source=TXT_TAGHM_MSN_Make_IM_Yours