Originally Posted by
Mr Humble
So Larry claims to have evidence (that, of course he cannot produce or verify). Norma 205 is the evil powder ?
Sad to say N205 was around a long time and there were no mass reports of exploding rifles. BTW, MRP came after N205 NOT before.
Speer published these loads for the 243:
.243" Speer 75gr hp
N205 48.0-52.0 grains, 3257-3541 fps
.243" Speer 80gr spitzer
N205 47.0-51.0 grains, 3168-3448 fps
.243" Speer 90gr spitzer
N205 45.0-49.0 grains, 3012-3288 fps
.243" Speer 90gr fmj
N205 45.0-49.0 grains, 3001-3275 fps
.243" Speer 105gr spitzer
N205 42.0-46.0 grains, 2784-3058 fps
.243" Speer 105 gr round nose
N205 42.0-46.0 grains, 2787-3066 fps
Test rifle was a Remington Model 700 with 1-9" twist, 22 inch barrel.
Other real experts all over the net say it was okay to use 4350 or 4831 starting loads and work up from there. If you examine date from both these blowups, both a high intensity cartridges.
Starting loads for either would not be subject to the usual SEE claimed scenario .... i.e. light loads of slow burning powder that are partially ignited, the unburned portion plugs the bore and then is ignited. The combined weight of the bullet and unburned powder raises pressures so high the rifle explodes. That's the THEORY, 100% unproven by any recognized research facility.
Now the old, one off German story was about light loads, not starting loads.