Never had an Isky wheel but still have a Ford/Autolite one from back in the
day.
Might still have a slide type from Speedway around someplace.
New slide types are available from Speedway: http://www.speedwaymotors.com/
Moroso-89650-Power-and-Speed-Calculator,634.html
All quick, easy to use, and give close enough results for my present
needs. Upgrades [my mind included] will be required if I ever get curious
enough to figure out how much changing course conditions - ie how far the
tire footprint is sinking into the salt surface - might affect the big
picture equations........
Ed
On Thu, Nov 6, 2014 at 12:25 PM, 23weldon <23.weldon@comcast.net> wrote:
> A dream wheel is a good tool if you still have one and are used to it.
> Far as I know they are no longer sold. We could use something simpler
> than my spreadsheet that can run on a tablet or a smart phone app. Still I
> think I'll set up a continuing search on eBay. I never had one. (yeah,
> yeah.... young engineer's arrogance....what do I need a thing like that
> for?....I've got my slide rule hanging off my belt like a misplaced
> reproductive organ.)
>
> 25 years ago when we ran Doug King's Golddigger we had a greasy stack of
> Lotus 123 spreadsheet printouts we referred to pick QC gears. They were
> printed on a dot matrix printer driven by a Heathkit PC I built myself.5
> years previous. Lessons in soldering. Ancient history.
>
> I remember back in my time as a newly minted engineer (1960s) when all we
> had were slide rules (a dream wheel is a specialized circular slide wheel)
> the engineering journals often published graphic calculators to solve
> specific problems. I can't recall the generic name they had for those
> things. The way they worked they had vertical specially scaled lines with
> number graduations. Each line was for a variable like(in our case) tire
> diameter, circumference, rpm, gear ratio, etc Spaced in between were
> "turning" lines that represented intermediate steps, i.e., a single
> arithmetic calculation. A perfect app for a tablet would be something like
> this that worked on the touch screen where a stylus could be used to drag
> the connecting lines around to do "what ifs".
>
> OK, this description of mine is a bit confusing; but if you are smart
> enough to figure out what I'm saying and can develop your own apps (a
> mystery to this old guy) you can probably come up with something and make
> enough to buy breakfast at the Red Flame for a few days. Gawd, I miss the
> Red Flame and the Salt Flats Cafe. ...............Ed W
>
> ----- Original Message ----- From: <NT788@comcast.net>
> Sent: Thursday, November 06, 2014 7:42 AM
> Subject: Re: [Land-speed] Rear Axle Question
>
>> I just keep an Isky. Dream Wheel handy while building stuff.
>> Jack
>>
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