Interesting Powder Comparison
 

I've always said that Swiss powder was equal to T7, but it looks like it's even stronger than that. This is a test for the Lyman GPR compared to a TC Hawken, with different powders. Swiss is pretty impressive for just 65 gr.
The chart looked better in PDF, but the forum squashes it all together. Sorry.



T/C HAWKEN Shot No. 1 Shot No. 2 Shot No. 3 Shot No. 4 Average Velocity Accuracy
GOEX 1272 fps 1311 fps 1414 fps 1492 fps 1380 fps 5.55 in.
SWISS 1496 fps 1510 fps 1540 fps 1523 fps 1517 fps 4.25 in.
SCHUETZEN 1297 fps 1295 fps 1340 fps 1418 fps 1337 fps 5.85 in.
TRIPLE 7 1301 fps 1315 fps 1387 fps 1407 fps 1353 fps 4.75 in.
PYRODEX RS 1192 fps 1206 fps 1195 fps 1235 fps 1207 fps 3.75 in.
PIONEER 1187 fps 1204 fps 1191 fps 1226 fps 1202 fps 4.30 in.
PIONEER GOLD 992 fps 1080 fps 1108 fps 1129 fps 1077 fps 5.25 in.


LYMAN Shot No. 1 Shot No. 2 Shot No. 3 Shot No. 4 Average Velocity Accuracy
GOEX 1178 fps 1244 fps 1260 fps 1336 fps 1255 fps 5.25 in.
SWISS 1584 fps 1668 fps 1643 fps 1655 fps 1638 fps 3.65 in.
SCHUETZEN 1351 fps 1354 fps 1334 fps 1348 fps 1347 fps 3.75 in.
TRIPLE 7 1478 fps 1487 fps 1546 fps 1561 fps 1518 fps 4.35 in.
PYRODEX RS 1192 fps 1330 fps 1316 fps 1333 fps 1293 fps 3.10 in.
PIONEER 1036 fps 1049 fps 1024 fps 1070 fps 1045 fps 4.20 in.
PIONEER GOLD 1006 fps 1013 fps 1003 fps 998 fps 998 fps 5.00 in.
All velocities were measured at 10 feet from the muzzle over a Chrony chronograph. The load was 65 grains measured by volume.
Groups were shot at 75 yards using Hornady .490 round balls over T/C’s pre-lubed patches. The barrel was lightly swabbed
between shots with T/C Bore Butter and fully cleaned between powder tests. CCI #11 caps were used, with no misfires on
standard factory nipples. Test conditions averaged about 68 degrees, with barometric pressure of BP 29.6 inches. Humidity
ran about 39 percent, with winds on the range running left to right at 6.3 mph.

Muley, the only way to get a chart to show up with the right format is to turn it into a picture file (screen capture, snip, or something like that) and attach it as a picture.

Too complicated.

I'm old.

:( I miss my Swiss

I have some Swiss waiting to pick up with the other powder order. Around here its about $24lb and the performance is just fine (T7 range) plus it ignites great in anything. VERY consistent. You have to clean any sub and at least its fouling is a bit softer.

Ive got the GMB54 shooting so clean in the breach now, im going to try some with conicals.

I only have access to Goex here as far as bp goes. No problem getting any of the substitutes.