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Old 01-22-2013, 12:34 AM   #1 (permalink)
turbowagonman
Old school from way back!
 
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Join Date: Oct 2012
Location: Mentor, Ohio

Sweet Spotting my springs

Well I bought a RADARchron and 100 reballs off of ebay. Then I built a 24x14x14 chrono back-stop and did a bunch of shooting in my attached 2 1/2 car garage I shot around 300 reballs during my test cycles and many different spring changes. I was wondering, how good can I get my gun (a Proline) shooting consistently on fps readings? The best I could get with a certain spring/washer combo was:

Low = 277
High = 292
Range = 15
average = 284 (19 shots)

This was done with a lose paint match in the barrel (reballs are smaller than .679), Palmers Stabalizer set to 800, 15 to 20 seconds in-between each shot, a mark on the barrel to ensure consistent RADARchron location temperature in the garage was at 58 and a consistent rythum with each shot.
Here are the results:

282
285
287
277
278
284
279
282
277
286
289
281
291
284
292
292
285
279
290


Let me know what you think.

Thanks
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Started with a Splatmaster, moved onto a Nelspot 007, then came the Autocockers, then a STERLING Pump, next was a Bob Long defiant then a PM7. As of now I have 4 Sterling Pumps, 2 Phantom for SC and 2 Spyder's plus a bunch of extra parts.


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