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Speed calculator, the Old School way.
Page 1 of 1
Speed calculator, the Old School way.
I found this online a few years ago. I think it was on RCG, but I haven't been able to find it again. I know that everyone loves online calculators to get their speeds to the 1/1000 of a MPH. But I'm still old school, and love slide rule whiz wheels. I have used this slide rule against a computer spreadsheet, and it's accurate to within a half of a MPH with the online calculated speed.
![Speed calculator, the Old School way. Speed-calculator](https://i.postimg.cc/zXVMYxpZ/Speed-calculator.jpg)
I keep the one I made up in my flight box. Here's the one I made up from the .pdf plans.
![Speed calculator, the Old School way. DSCN3082_zpsba11ae2a](https://2img.net/h/i32.photobucket.com/albums/d26/batjac/DSCN3082_zpsba11ae2a.jpg)
![Speed calculator, the Old School way. 0bcaaf0b-2fdb-4970-8fce-569bc79910be_zps6ce2dadf](https://2img.net/h/i32.photobucket.com/albums/d26/batjac/0bcaaf0b-2fdb-4970-8fce-569bc79910be_zps6ce2dadf.jpg)
![Speed calculator, the Old School way. DSCN3090_zpse1d66440](https://2img.net/h/i32.photobucket.com/albums/d26/batjac/DSCN3090_zpse1d66440.jpg)
I have the copy on three different drives, just in case, so that I don't lose it. But I thought that I'd post it here for Y'all to see. If anyone wants it, I can email a copy of the .pdf I have. It'd be a shame to for this to get lost to history.
The Archivist Mark
![Speed calculator, the Old School way. Speed-calculator](https://i.postimg.cc/zXVMYxpZ/Speed-calculator.jpg)
I keep the one I made up in my flight box. Here's the one I made up from the .pdf plans.
![Speed calculator, the Old School way. DSCN3082_zpsba11ae2a](https://2img.net/h/i32.photobucket.com/albums/d26/batjac/DSCN3082_zpsba11ae2a.jpg)
![Speed calculator, the Old School way. 0bcaaf0b-2fdb-4970-8fce-569bc79910be_zps6ce2dadf](https://2img.net/h/i32.photobucket.com/albums/d26/batjac/0bcaaf0b-2fdb-4970-8fce-569bc79910be_zps6ce2dadf.jpg)
![Speed calculator, the Old School way. DSCN3090_zpse1d66440](https://2img.net/h/i32.photobucket.com/albums/d26/batjac/DSCN3090_zpse1d66440.jpg)
I have the copy on three different drives, just in case, so that I don't lose it. But I thought that I'd post it here for Y'all to see. If anyone wants it, I can email a copy of the .pdf I have. It'd be a shame to for this to get lost to history.
The Archivist Mark
batjac- Diamond Member
Posts : 2361
Join date : 2013-05-22
Age : 61
Location : Broken Arrow, OK, USA
Re: Speed calculator, the Old School way.
Oh, ohoh , me! I want a copy! Pretty please? I hope to need it shortly!
I'/ll pm my email address tomorrow.
TIA!
I'/ll pm my email address tomorrow.
TIA!
944_Jim- Diamond Member
Posts : 2014
Join date : 2017-02-08
Age : 59
Location : NE MS
Levent Suberk- Diamond Member
- Posts : 2235
Join date : 2017-12-24
Location : Türkiye
Re: Speed calculator, the Old School way.
Good stuff Mark .Thanks for posting this speed chart . I'm sure there are a few of us that will be using it .
Mike1484
Mike1484
Mike1484- Gold Member
- Posts : 301
Join date : 2011-10-28
Age : 75
Location : Northern Ohio
Re: Speed calculator, the Old School way.
When I was in elementary school, we had little project magazines called "Think and Do."
Mark, I admire your ever-present embodiment of thinking and doing, always coming up with interesting examples of thinking up and executing fun and useful stuff. You should visit the Hangouts show again and let us see this one. We talked about your control line simulator the other night too.
Fyi, it looks like Youtube/Google is finally about to remove the Video Hangouts. It's not clear that they will replace it with anything, so come August 1st, things may get bumpy while we try to figure out a new way to have a group video chat that does all the things we have been enjoying for the past 2 years.
Rusty
Mark, I admire your ever-present embodiment of thinking and doing, always coming up with interesting examples of thinking up and executing fun and useful stuff. You should visit the Hangouts show again and let us see this one. We talked about your control line simulator the other night too.
Fyi, it looks like Youtube/Google is finally about to remove the Video Hangouts. It's not clear that they will replace it with anything, so come August 1st, things may get bumpy while we try to figure out a new way to have a group video chat that does all the things we have been enjoying for the past 2 years.
Rusty
_________________
Don't Panic!
...and never Ever think about how good you are at something...
while you're doing it!
My Hot Rock & Blues Playlist
...and never Ever think about how good you are at something...
while you're doing it!
My Hot Rock & Blues Playlist
RknRusty- Rest In Peace
- Posts : 10869
Join date : 2011-08-10
Age : 68
Location : South Carolina, USA
Re: Speed calculator, the Old School way.
Maybe it would be possible to start a thread on RCG with the PDF? I am not sure how that works, but it would be spread out to more guys that wouldn't have to pester you. Rusty, I have been lurking on the Hangouts for a couple months now. Hope it keeps going somehow. Saw a few of the guys at Brodak's. Kind of odd, seems like you know them, but they don't know you.
aspeed- Platinum Member
- Posts : 795
Join date : 2013-01-18
Location : Leamington Ont. Can.
Re: Speed calculator, the Old School way.
Mark,
This would be a good tool to have for the upcoming speed event (RWYB)
Pretty sure the email link works in my profile, could you please send it along if you have a moment? At least before the 31st...
Thanks,
Ron
This would be a good tool to have for the upcoming speed event (RWYB)
Pretty sure the email link works in my profile, could you please send it along if you have a moment? At least before the 31st...
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
Thanks,
Ron
Cribbs74- Moderator
Posts : 11906
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Speed calculator, the Old School way.
Great job. I too had that file a while ago and also made a few of them and gave them away to fellow modellers in my CL club. Funny too as I also laminated the ones I made too. The way I held them together was with a leather punch and eyelet plier set. I have the ones listed here.
https://www.princessauto.com/en/detail/leather-punch-with-eyelet-pliers/A-p8308231e
https://www.princessauto.com/en/detail/leather-punch-with-eyelet-pliers/A-p8308231e
NEW222- Top Poster
- Posts : 3896
Join date : 2011-08-13
Age : 45
Location : oakbank, mb
crankbndr- Top Poster
- Posts : 3096
Join date : 2011-12-10
Location : Homestead FL
Re: Speed calculator, the Old School way.
Jim and Ron, .pdf's on the way.
Levent, thanks for the magazine reference. Now I have a reference for further research.
New, that's a great idea. I have a couple of punches, so I'll print out another template and laminate it, then try using the punch and eyelets. My big issue will be in getting the holes centered...
Mike, you're most welcome. That's why i wanted to ensure more people know about this and possible make their own.
Rusty, I'll try to get on Friday night. I get home from work at just about the time Y'all are signing off on Mondays.
Aspeed (sorry, I don't know your first name), I think someone else is going to be making a thread over on RCG.
Crank, that'd work, but I don't have enough fingers on my hand to do that calculation at the field.
The Distributor Mark
Levent, thanks for the magazine reference. Now I have a reference for further research.
New, that's a great idea. I have a couple of punches, so I'll print out another template and laminate it, then try using the punch and eyelets. My big issue will be in getting the holes centered...
Mike, you're most welcome. That's why i wanted to ensure more people know about this and possible make their own.
Rusty, I'll try to get on Friday night. I get home from work at just about the time Y'all are signing off on Mondays.
Aspeed (sorry, I don't know your first name), I think someone else is going to be making a thread over on RCG.
Crank, that'd work, but I don't have enough fingers on my hand to do that calculation at the field.
The Distributor Mark
batjac- Diamond Member
Posts : 2361
Join date : 2013-05-22
Age : 61
Location : Broken Arrow, OK, USA
Surfer_kris- Diamond Member
- Posts : 1909
Join date : 2010-11-20
Location : Sweden
Re: Speed calculator, the Old School way.
batjac wrote:
Crank, that'd work, but I don't have enough fingers on my hand to do that calculation at the field.
The Distributor Mark
Ummm, take off your shoes and socks...
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
944_Jim- Diamond Member
Posts : 2014
Join date : 2017-02-08
Age : 59
Location : NE MS
Re: Speed calculator, the Old School way.
Algebra was the hardest class I took in 12th grade grade and I flunked it, for my business I did have to learn to use basic formulas.
In a state exam I took I had to figure the volume and surface area of a doughnut.
For more laps you would multiply them times C, T can be anything.
If you know R all you need is T
![Old Bugger](/users/3015/29/34/60/smiles/2238803017.gif)
crankbndr- Top Poster
- Posts : 3096
Join date : 2011-12-10
Location : Homestead FL
crankbndr- Top Poster
- Posts : 3096
Join date : 2011-12-10
Location : Homestead FL
Re: Speed calculator, the Old School way.
Aspeed (sorry, I don't know your first name), Alan Feil. Though it was a secret.
aspeed- Platinum Member
- Posts : 795
Join date : 2013-01-18
Location : Leamington Ont. Can.
Re: Speed calculator, the Old School way.
Hi Mark
I'd like to have a copy if I may.
Will pm you email.
Dave
I'd like to have a copy if I may.
Will pm you email.
Dave
Davenz13- Platinum Member
- Posts : 596
Join date : 2013-11-28
Age : 68
Location : Palmerston North, New Zealand
Re: Speed calculator, the Old School way.
944_Jim wrote:batjac wrote:
Crank, that'd work, but I don't have enough fingers on my hand to do that calculation at the field.
The Distributor Mark
Ummm, take off your shoes and socks...![]()
Not even if I took off shoes, socks, and dropped my shorts....
The Mathemagical Mark
batjac- Diamond Member
Posts : 2361
Join date : 2013-05-22
Age : 61
Location : Broken Arrow, OK, USA
Re: Speed calculator, the Old School way.
Got mine. Thanks Mark!
I'll try to plug it in at RCG later tonight, unless I get beat by one of the other recipients.
Oh, regarding doing the math the analog way...would Speedos be appropriate attire for exceeding the 20-digit math?![Shocked](https://2img.net/i/fa/i/smiles/icon_eek.gif)
I'll try to plug it in at RCG later tonight, unless I get beat by one of the other recipients.
Oh, regarding doing the math the analog way...would Speedos be appropriate attire for exceeding the 20-digit math?
![Shocked](https://2img.net/i/fa/i/smiles/icon_eek.gif)
944_Jim- Diamond Member
Posts : 2014
Join date : 2017-02-08
Age : 59
Location : NE MS
Re: Speed calculator, the Old School way.
To help answer my methods... I taped both wheels in place where I wanted them aligned. Then I punched both together at the same time. But, if my memory serves me correct, at least one, if not both tools were just a bit too small depth wise to punch, and or crimp, but I carefully bent them to fit and had no ill effects.
NEW222- Top Poster
- Posts : 3896
Join date : 2011-08-13
Age : 45
Location : oakbank, mb
Re: Speed calculator, the Old School way.
Regarding speed calculations, if one can determine the frequency note of the engine coming and leaving, could use the Doppler equation to figure out the traveling speed of the plane.
Speaking of speed, I came across this R/C speed plane video, seems to be traveling as fast as the pulse jet R/C planes someone did in northern Europe, forgot which country. He smoked the power system that ended the flight, but truly amazing speeds one can achieve with an electric motor.
Speaking of speed, I came across this R/C speed plane video, seems to be traveling as fast as the pulse jet R/C planes someone did in northern Europe, forgot which country. He smoked the power system that ended the flight, but truly amazing speeds one can achieve with an electric motor.
GallopingGhostler- Top Poster
Posts : 5537
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
Re: Speed calculator, the Old School way.
Scientific method here, manufacturer rates maximum allowable current with adequate ventilation provided for both motor, ESC and battery pack. Exceed those for any of those components for an extended time, and she breaks.roddie wrote:Yuhh.... oh yuhh... it's broken...![]()
Certainly a hall of shame moment, but I enjoyed the flight speeds the pilot achieved with his electric system.
![lol!](https://2img.net/i/fa/i/smiles/lol.gif)
GallopingGhostler- Top Poster
Posts : 5537
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
![-](https://2img.net/i/empty.gif)
» Fellow speed freaks, help me build a pair of speed Bees.
» Stitched Hinges, "Z" Hinges, and Other Old School / New School Tips
» Going Old School again
» Another fuel/oil calculator
» I need to go back to RC school..
» Stitched Hinges, "Z" Hinges, and Other Old School / New School Tips
» Going Old School again
» Another fuel/oil calculator
» I need to go back to RC school..
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