too bad DR-B. got bent and didn't finish his thesis on the subject.
I think it would have went further.
Printable View
too bad DR-B. got bent and didn't finish his thesis on the subject.
I think it would have went further.
Yes, too bad indeed.
Gear
Some info on Lithi-Bee...
http://castboolits.gunloads.com/show...ax-Bullet-Lube
Gear
http://castboolits.gunloads.com/show...-a-deep-throat
another good discussion started by Tim.
it has some valid points on both sides of the discussion about static and a moving mechanical throat fit.
Tom adds some valuable pictures and valid points about static fit.
good primer info, cup thickness and stuff.
http://castboolits.gunloads.com/show...ckout-Question
it's down in post 6 or so.
neat sizing idea using H&I dies and LEE push through stems.
http://castboolits.gunloads.com/show...standard-press!
http://castboolits.gunloads.com/show...75-Gear-s-190x
some good discussion throughout this one on design and alloy.
never mind us goofing off in this one there is some very helpful info.
http://castboolits.gunloads.com/show...-What-happened
this one gets a little rough, but the information starts flowing on page 3-4.
tHE DACRON WILL IMPROVE ACCURACY UNTIL IT INGS YOUR CHAMBER. I ringed two chambers in 2 different Springfield 30-06 rifles! Didn't have that problem with kapok, but I wont use fillers any more.
Bob
the appropriate use of the fillers will prevent the ring.
you use the filler to fill the gap between the boolit and the powder,, it must touch both, with compression.
just like a black powder load, leave an air gap and you have a problem.
it can happen with card stock, poly wads, gas checks and other types of case fillers if they are used improperly.
http://castboolits.gunloads.com/show...meter-question
something rarely thought of when designing your own boolit, but this should help with placing the balance point in the right place.
After I figured out why the Lee CM liked to swap ends, I thought a LOT about that and it is one of my top considerations when designing a bullet. Great thread and hat's off to Tom Meyers.
Gear
If you always fill a multi-cavity mold starting with the hole nearest the hinge the sprue will cut easier.
To lube the sprue hinge and dispense synthetic 2 stroke oil additive I found that Steel Needle TIP Dropper Bottles work wonderfully, no more over lubing the sprue plate hinge and getting lube in the cavity near the hinge.
https://i.imgur.com/5Wv3rtC.png
the online auction site or Amazon. Google "Steel Needle TIP Dropper Bottles Canada"
You could try where they sell essential oils, tattoo supplies, sewing machine supplies ...
I also use them to lube my presses and guns.
Grmps---thank you.