OT -conversion question: km/sec to mph?

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Model T Ford Forum: Forum 2013: OT -conversion question: km/sec to mph?
Top of pagePrevious messageNext messageBottom of page Link to this message  By Rob Heyen - Nebraska on Sunday, May 26, 2013 - 09:45 am:

I'm not sure i converted this correctly, if one travels 1 km in 25 seconds, how many mph does this equal?

Math wasn't my strong suit :-(

Thank you,

Rob


Top of pagePrevious messageNext messageBottom of page Link to this message  By Chuck Hoffman - Gold Country of Calif. on Sunday, May 26, 2013 - 10:12 am:

Maybe 90 mph


Top of pagePrevious messageNext messageBottom of page Link to this message  By Paul Levans - Lafayette, Indiana on Sunday, May 26, 2013 - 10:15 am:

I get 89.477 mph. Be careful if you're doing this in a Delorean...


Top of pagePrevious messageNext messageBottom of page Link to this message  By Chuck Hoffman - Gold Country of Calif. on Sunday, May 26, 2013 - 10:15 am:

1 km in 25 sec = .04 km/sec =2.4 km/min =144 km/hr =89.4775 miles/hr


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dale L Myers on Sunday, May 26, 2013 - 10:39 am:

Try this site. Click on "velocity conversion"
http://www.unitconversion.org/


Top of pagePrevious messageNext messageBottom of page Link to this message  By Rob Heyen - Nebraska on Sunday, May 26, 2013 - 11:06 am:

Thanks guys!

Dale, I downloaded the link, great site.

Thanks again,

Rob

"Snapshot" of the link and conversion:


Top of pagePrevious messageNext messageBottom of page Link to this message  By George_Cherry Hill NJ on Sunday, May 26, 2013 - 11:10 am:

Rob,

Since you are a techy with all the latest gadgets you can also do a free app download called 'convertbot' for your iphone/ipad which is the neatest thing to just have handy. It basically does everything to metric or backwards and not just what the default shows...you have to play with it to learn that.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dave Hjortnaes, Men Falls, WI on Sunday, May 26, 2013 - 11:33 am:

I hope you are not taking your K out for a joy ride. Looks like a great day for it though. Not practicing hill climbs are you?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Rob Heyen - Nebraska on Sunday, May 26, 2013 - 12:05 pm:

George, thanks, I'll ad the ap.

Dave,
I have been working the "kinks" out. Still trying to figure the carb out, although on the flat I can slip into high at about five mph.

Hope your enjoying the long weekend,

Rob


Top of pagePrevious messageNext messageBottom of page Link to this message  By Steve Jelf, Parkerfield KS on Sunday, May 26, 2013 - 01:13 pm:

89.477! Buying a Stanley, Rob?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Rob Heyen - Nebraska on Sunday, May 26, 2013 - 01:45 pm:

Steve,

No, just sorting through a few numbers and determining what the mph speed was. This article lists times at Cape May NJ in 1905. Henry Ford ran a 25 second one km time (Ford "six" racer). This equalled Walter Christies existing American record, however Christie set a new record in the distance at the same time.

I wonder how the Ford Motor Company Board of Directors and shareholders felt about their "namesake" racing cars during this time?

Rob


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dave Hjortnaes, Men Falls, WI on Sunday, May 26, 2013 - 10:33 pm:

Rob

Do you know or have you figured out why they measure in the 5th's of a second? Is that the best they could do with the time pieces of the day?

I was going to use the speedster in a parade tomorrow, but you keep sending us all this rain. I will ride in a Tudor instead.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Rob Heyen - Nebraska on Sunday, May 26, 2013 - 10:49 pm:

Dave,

We have been wet, but nowhere near what you've had. No, I don't know why in the 5ths of seconds, but I'd guess your on the right track. Maybe horse races or track events used this increment before the "new" sport of automobile racing.

Rob


Top of pagePrevious messageNext messageBottom of page Link to this message  By Doug Money - Braidwood, IL on Monday, May 27, 2013 - 12:14 am:

They used to equate 1 length to 1/5 of a second in horse racing. I don't know if it was a rule of thumb. That is probably where the 1/5 measurement came from.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ricks - Surf City on Monday, May 27, 2013 - 12:27 am:

A horse is what, 7 feet nose to rump? If that's 1/5 second, that makes it 35 fps, or 35/88*60 = 24 mph. Is that race horse speed?

A good number to remember: 60 mph = 88fps.

For you guys with stock Ts: 30 mph = 44fps.


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