from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. supersonic transport
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Initialism of Supersonic Transport.
- n. Initialism of Shiva Smart Tunneling.
Sorry, no etymologies found.
My Remington 700 ADL 30-06, the 150 grain SST is set just above the cannelure (shorter than recommended OAL) and its shooting dime size groups.
Exactly what constituted “service” in SST is a subject of heated debate even among RAH’s most ardent admirers, myself included.
I recently loaded Hornady 139-grain SST bullets in my 7x57 Mauser and in my 7x57 AI.
So finally I fired about 10 rounds of Hornady 117-grain SST Light Magnum .257 factory loads through the Remington and chronographed each shot.
I gave polite constructive criticism, however, regarding the velocity performance of the 257 Roberts LM load (a 117-grain SST at 2940 fps) and the 280 LM load (unimpressive), and politely pointed out that any reasonably skilled handloader can safely get a 257 Roberts to shoot a 100-grain spitzer at 3200 fps (or higher), and compared the 257 Roberts LM load to Hornady's 6MM LM load (100-grain bullet at 3250 fps).
I also suggested that Hornady's 7x57 LM load (139-grain SST at 2830 fps) could be safely improved to 2900-2950 fps (or higher) with the same 139-grain bullet in a 24 barrel, and pointed out that a number of modern day handloading manuals do just that.
Now using Military cases is like adding 1.5 grains of powder. 30-06 Hornady 150 grain SST, 53 grains of IMR4064. 22 inch barrel 3080fps and 24 inch barrel 3150. 25-06Hornady Third Edition shows 25-06 117 grain 50.3 grains at 3000fpsMy old ragged Hornady old as the hills shows 53.9 3100fps.
That Hornady 117 grain SST my 8 year old Grandson really made an impression on everyone from the field to the check in station to the game processing shop.
He was using my 30-06 700ADL 22 inch barrel (cough, gag!) using Hornady 150 grain SST loaded just over 3050 fps and dropped a nice 5 point buck with one shot.
Perhaps the key variables for Atlantic cyclones are these atmospheric patterns and not SST, with these same atmospheric patterns or what causes these patterns also causing the short-term SST variability.
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