Vintage slide rule to compute rifle powder loads( Field& Sports magazine)

Gert Odendaal

Gert Odendaal

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Good day to all Members
I really want to get hold of a Powder computer Slide rule to computer manually different loads/muzzle velocity ect...I know it is a item not found easily, but would really like to be able to get hold of one if available...I will upload photos off on when I visit a friend who have one ...have anyone seen such an item before?(y)
 
Members, I am looking for a Powley Computer and psi Calculator. (y)
 
My god,why? I have not used a slide rule since high school. What a pain it was. Thank the good lord for the fine engineers Texas Instruments, so that slide rules went the way of buggy whips.
 
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Just to use it for the fun of using it and to determine how accurate the Quick loads system is in comparing it with the use of the powder computer. A friend of mine is from the old school, he uses one and I want to learn from him , I need one for myself ....(y)
 
I have an old Powley Computer somewhere, I haven't seen it in years though. I'll look around.
 
I have one I bought in the mid '70's. I still use it for initial loading for the unusual calibers I enjoy developing loads for. The Powley Computer is also available online but I don't have the website listed. I'm sure it could be found with a little searching. The info is all based on IMR single base powders. Good luck in your search.
 
BobT, thank you kindly , if possible will you be willing to sell it ? I searched the internet, to no avail, looked at e-Bay as well still no Powley computer...but I will keep at it ..Steve, do you use the Powley computer as a comparison tool when re-loading?
 
Thank you Bob T , it is much appreciated..(y)
 
Truth be told, I take the easy route and use the online Powley more often than I use my "hard copy" version. The online Powley computes everything at 49,000 psi and one can elaborate it from there. Try http://kwk.us/powley.html to see if that gets you where you need to be.
There is also www.jbmballistics.com for all computations of downrange ballistics and such. It's a very useful site.
 
Steve Steyr said:
...There is also www.jbmballistics.com for all computations of downrange ballistics and such. It's a very useful site.
Click to expand...
The few times I've had actual velocity figures, jbm has proven to be extremely close to actual downrange trajectories. Any variations I get can be attributed to my errors shooting. When I'm on, it's on. I like it.
 
Gert, is this what you're looking for? If so, you may PM me.

Powley.JPG
 
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