Just with installed HDD and the .101 TP, no other mods or adjustments

Fill	Shot	Speed
2500	1
	2
	3	758.4
	4	762.6
	5	762.9
	6
	7
2100	8
2100	1	764.2
	2
	3	763.3
	4	760
	5	757.6
	6
	7
1900	8
1900	1	755
	2	752.7
	3	740.6
	4	727.7
	5	723.9
	6	709.6
	7	700.3
1100	8	689.9

First thing one notices is the increase in speed. Second thing is the fall off in the last mag.

Another round shows similar results but a liattle more speed

Fill	Shot	Speed
2500	1	699
	2	716.4
	3	747.6
	4	756.5
	5
	6	774.2
	7	775.3
2200	8
2200	1	772.6
	2	783
	3	785.9
	4	781.1
	5	782.7
	6	779.1
	7	775.8
1900	8	773.6
	1	756
	2	760.3
	3
	4	745.4
	5	740.3
	6	731.9
	7	719.8
1400	8

The of course its off the 3k fill

40 shots, but youll see the valve lock in the first few shots

Fill	Shot	Speed
3000	1	550.5
	2	598.6
	3	603.8
	4	617.5
	5	623.1
	6	634.5
	7	647.1
2800	8	646.4
2800	1	642
	2	661.2
	3	672.2
	4	681.2
	5	687.6
	6	694.2
	7	708.9
2500	8	719.7
2500	1	703.1
	2	718.7
	3	736.7
	4	751.9
	5	750.3
	6	758
	7	759.5
2200	8	768.6
2200	1	759.3
	2	774.2
	3	777.2
	4	774.3
	5	769.2
	6	762.6
	7	758.1
1800	8	750.6
1800	1	744.8
	2	741.3
	3
	4	719.2
	5	706.1
	6
	7
1400	8

 

Soooo based on all this, I think 24 shots in the 725-750 is possible. I think some tuning will yield that.....

dr_subsonic's pneumatic research lab

the Lunatic Fringe of American Airgunning
Southwest Montana's headquarters for Airgunning Supremacy
Proud Sponsor of team_subsonic

You saw the numbers I PM'd ya, what are you shooting pellet wise, what are your hammer throw and spring adjustment to get those numbers. It was suggest that my spring was weak, its possible even with a fairly new gun, so it was replaced with a slightly heavier spring amd just a little longer.
with this heavier spring my numbers were still not any where near your numbers, using both 14.3g & 15.9g pellets.


Buster
\\\ X ////
one step closer to the ultimate goal

shows a ~20 fps increase across the board, with no changes to anything, just a refill on air......

 

dr_subsonic's pneumatic research lab

the Lunatic Fringe of American Airgunning
Southwest Montana's headquarters for Airgunning Supremacy
Proud Sponsor of team_subsonic

More power than a normal prod? What pellets were u shooting or did i miss that.


"i never was much for book learnin"

which is part of the speed difference. guess the other part is the size of the TP.

And Rob is correct, its cooking. Considering that I was getting 670ish _stock_, and now seeuing numbers beating on the edge of  780....... Usable shot count is down to like 18 or 19 shots.

Buster, how would I figure what the settings are?

dr_subsonic's pneumatic research lab

the Lunatic Fringe of American Airgunning
Southwest Montana's headquarters for Airgunning Supremacy
Proud Sponsor of team_subsonic

http://www.network54.com/Forum/79537/thread/1294258894/The+Benjamin+Marauder+Pistol+At+Various+Fills+%26amp%3B+Settings
scroll down and he show's how to adjust the hammer throw and spring adjustments.

Now before you do that, (dont want you to mess up any good readings) shoot with 14.3 and maybe 15.9 with stock settings.

once you get those reading you'll have a base to see what your getting with the 101 TP, seeing as you've already have it installed.

you can turn counter clockwise (ccw) both the hammer throw and spring adjustment, counting the turns. start from a point, (say 11 o'clock) and use that point count the rotations ccw to see what your stock settings are. then you can return them back (CW) to the stock configuration.
If you dont want to touch them , than don't, it's your choice.
Dont mess them up just cause I asked you to.

Buster
\\\ X ////
one step closer to the ultimate goal

While I subsribe to your spring being weak that brings yer numbers down, I'm not convince its the whole story.

Conversly, I'd love to know where the extra 110 fps is coming from..... not complaining, but I dont get it.....

And I need to tune the thing anyway, so I' see what I can figure out

 

dr_subsonic's pneumatic research lab

the Lunatic Fringe of American Airgunning
Southwest Montana's headquarters for Airgunning Supremacy
Proud Sponsor of team_subsonic

but I'll print it and take it ot the lab.....

dr_subsonic's pneumatic research lab

the Lunatic Fringe of American Airgunning
Southwest Montana's headquarters for Airgunning Supremacy
Proud Sponsor of team_subsonic