Graphical gear calculator

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Graphical gear calculator

Postby familyguy » Thu Dec 23, 2010 9:00 am

Not sure if I should put this in the sticky list, but here 'tis:

http://www.gear-calculator.com/

More of a graphical interface, just slide the gears about till you get your ratios, select your tyre size, and off you go.

Jim
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by BNA » Thu Dec 23, 2010 9:20 am

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Re: Graphical gear calculator

Postby Jean » Thu Dec 23, 2010 9:20 am

Nice!
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Re: Graphical gear calculator

Postby HappyHumber » Thu Dec 23, 2010 9:44 am

cheers Jim! thanks for sharing...
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Re: Graphical gear calculator

Postby sogood » Thu Dec 23, 2010 12:01 pm

Very nice presentation. But it could not handle 11 cog for some reason.
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Re: Graphical gear calculator

Postby philip » Thu Dec 23, 2010 12:21 pm

sogood wrote:Very nice presentation. But it could not handle 11 cog for some reason.

11 worked fine for me. I tried putting the two chainrings on 53 and 50 and an 11-25 cassette to compare compact vs. non compact for the high end, it's interesting to see graphically where the 11 and 12 fit:
http://www.gear-calculator.com/#KB=50,53&RZ=11,12,13,14,15,17,19,21,23,25&TF=71&UF=2099&SL=2
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Re: Graphical gear calculator

Postby sogood » Thu Dec 23, 2010 3:49 pm

philip wrote:11 worked fine for me. I tried putting the two chainrings on 53 and 50 and an 11-25 cassette to compare compact vs. non compact for the high end, it's interesting to see graphically where the 11 and 12 fit:
http://www.gear-calculator.com/#KB=50,53&RZ=11,12,13,14,15,17,19,21,23,25&TF=71&UF=2099&SL=2

Thanks and it indeed works. I suspect it may have something to do with the sequence of settings on my last attempt. Now I wonder if it'll handle 11 speed cassette... And that works too. Nice!
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Re: Graphical gear calculator

Postby jet-ski » Fri Dec 24, 2010 11:45 am

Thanks for that.... very nice! it will give me a nice clear graphical interface to explain gear ratios to my SO.... she isn't convinced that she will struggle to tour in mountainous regions with her CRX with the gearing as it is.
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Re: Graphical gear calculator

Postby Aushiker » Sun Dec 26, 2010 11:01 am

Hi

Thanks for sharing ... Will have to play with it and try and understand it all :)

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Re: Graphical gear calculator

Postby ZepinAtor » Sun Dec 26, 2010 11:26 am

I have an iPhone app with a poker machine style tumbler for cog selection. It spits out the gain ratio, skid patches for fixies, gear inches & rollout. Absolutely brilliant. Will see if there's a PC link to it.


Ok I found the app, but good old apple won't let me use it other than through the phone.


http://www.bikegearsapp.com/

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Re: Graphical gear calculator

Postby Xplora » Tue Aug 27, 2013 11:15 am

Thread resurrection, but the creator, Dirk, has very kindly updated the calculator in the OP to include the new Shimano 6800 and semicompact options. What a legend!
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Re: Graphical gear calculator

Postby Rob74 » Wed Aug 28, 2013 8:12 pm

9,10,11Sp
=>> What are they...Retro Steel is Real........any chance of updating to include 6,7,8Sp

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Re: Graphical gear calculator

Postby spirito » Wed Aug 28, 2013 9:56 pm

Rob74 wrote:9,10,11Sp
=>> What are they...Retro Steel is Real........any chance of updating to include 6,7,8Sp

Rob


Get with the program homie !!

Drag the cogs off to the left until you have the number you desire. Here's my chart with a 7 speed.

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Re: Graphical gear calculator

Postby Rob74 » Wed Aug 28, 2013 10:26 pm

Re spirito » Wed Aug 28, 2013 9:56 pm
"Drag the cogs off to the left until you have the number you desire"

Okay so not in the drop down.

Beauty!

Rob
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Re: Graphical gear calculator

Postby spirito » Wed Aug 28, 2013 10:30 pm

Rob74 wrote:
Okay so not in the drop down.



yes ... we're like record players compared to mp3's, takes a little more effort than the bird brains can handle but we know what sounds the best :wink: :lol:
Cranky Jim wrote: God did not invent gears. Men invented gears ... because we are not gods.
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Re: Graphical gear calculator

Postby Xplora » Wed Aug 28, 2013 10:43 pm

If you really want the options, send him an email. He added 6800 after I asked for it ;)
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Re: Graphical gear calculator

Postby spirito » Wed Aug 28, 2013 10:47 pm

Interesting to see what riders in the pre and post war era (Bartali, Coppi et al) were riding with. Makes today's riders seem almost spoilt.

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Re: Graphical gear calculator

Postby Xplora » Thu Aug 29, 2013 1:22 pm

3 teeth to the 21? LUXURY! In my day, we'd get up before we went bed, cleaned the lake.... :lol:

I'm guessing you shifted either FD or RD to change, wouldn't be a significant disadvantage either way using the downtube levers. I'm guessing you would definitely be shifting in advance to cover your gradient... I think we're definitely spoilt because all I can see with the corn cob is HTFU to cope with hills :D
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Re: Graphical gear calculator

Postby garthmci » Fri Sep 20, 2013 2:30 pm

Anyone else having trouble getting the page up?
Or perhaps know another page that does similar to this?

Was really hoping to buy a cassette thisarvo and wanted to check it on something else like this....
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Re: Graphical gear calculator

Postby HappyHumber » Fri Sep 20, 2013 2:44 pm

worked for me just now.
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Re: Graphical gear calculator

Postby garthmci » Fri Sep 20, 2013 2:49 pm

HappyHumber wrote:worked for me just now.


Bizzare, I think it might have been a DNS issue. I switched to 3G from wifi and worked fine....

Thanks!
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