Touring Models Road King, Road King Custom, Road King Classic, Road Glide, Street Glide, Electra Glide, Electra Glide Classic, and Electra Glide Ultra Classic bikes.
Sponsored by:
Sponsored by:

need a math guy

Thread Tools
 
Search this Thread
 
Old Apr 29, 2012 | 09:26 AM
  #1  
hoggy05's Avatar
hoggy05
Thread Starter
|
Cruiser
15 Year Member
Joined: May 2007
Posts: 153
Likes: 45
From:
Default need a math guy

2010 flhtk

3000rpm 6th gear = mph
 
Reply
Old Apr 29, 2012 | 09:32 AM
  #2  
mike5380's Avatar
mike5380
Road Master
Joined: Sep 2009
Posts: 876
Likes: 5
From: Springfield, MO
Default

How fast is the wind blowing? Headwind? Tailwind? Crosswind? .... what?

Just sharpened my pencil.

Mike
 

Last edited by mike5380; Apr 29, 2012 at 09:41 AM.
Reply
Old Apr 29, 2012 | 09:40 AM
  #3  
grbrown's Avatar
grbrown
Club Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Cool

Originally Posted by hoggy05
need a math guy

2010 flhtk

3000rpm 6th gear = mph
mph=3,000*60*25.2*3.14159/1760/36/2.79
 
Reply
Old Apr 29, 2012 | 09:42 AM
  #4  
Sam2010's Avatar
Sam2010
Outstanding HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2009
Posts: 2,858
Likes: 217
From: Puyallup Wa.
Default

I dont have the math. But its about 80 mph or less because your speedo is not right.
 
Reply
Old Apr 29, 2012 | 09:43 AM
  #5  
frenchbiker's Avatar
frenchbiker
Elite HDF Member
Joined: Apr 2006
Posts: 3,948
Likes: 54
From: The Burgh
Default

Originally Posted by hoggy05
2010 flhtk

3000rpm 6th gear = mph
Do I miss something? mph is what your speedo shows when you're at 3,000rpm in 6th. On my 09 Ultra, it shows 80mph.
 
Reply
Old Apr 29, 2012 | 09:43 AM
  #6  
Texas Fat Boy's Avatar
Texas Fat Boy
Extreme HDF Member
Joined: Dec 2006
Posts: 10,045
Likes: 36
From: ST. Louis
Default

This may be a stupid answer but, why do you just drive it and see?
 
Reply
Old Apr 29, 2012 | 09:43 AM
  #7  
bglider's Avatar
bglider
Tourer
Joined: Jun 2010
Posts: 335
Likes: 0
Default

90 mph
 
Reply
Old Apr 29, 2012 | 09:44 AM
  #8  
jjnoble's Avatar
jjnoble
Outstanding HDF Member
Joined: Jul 2010
Posts: 2,727
Likes: 6
Default

Sh*t......
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Apr 29, 2012 | 09:48 AM
  #9  
sgdiesel's Avatar
sgdiesel
Road Warrior
Joined: Nov 2008
Posts: 1,296
Likes: 3
From: Cheltenham, UK
Default

You need more information on the gearbox ratio and also the final drive ratio
 
Reply
Old Apr 29, 2012 | 09:56 AM
  #10  
grbrown's Avatar
grbrown
Club Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Talking

Originally Posted by sgdiesel
You need more information on the gearbox ratio and also the final drive ratio
Come on old chap, you're British as well! Read my reply above! It's all there.....
 
Reply



All times are GMT -5. The time now is 06:36 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE