Does the Impact actually have 12 power settings?

[Tominco]

Here's a quote from a different thread started by Ted....
"Yes – okay – it was the King Heavies. But, all three groups were shot with the King Heavies. That is my point – velocity affects accuracy.  And the power wheel on this gun allows for 12 different velocities – all about 10 – 30fps apart. What used to take me hours (and perhaps multiple trips to the range) to find the perfect speed for any given pellet now takes minutes." 

I was surprised to read this as I thought I may have been the only one! I've since labeled my power wheel with a pencil "H" (higher side) and "L" (lower side). I am getting an average of 27.6fps difference with a high difference of 36 and low difference of 13. I've got to wonder if the circle (where the HS set screw rides) is just slightly off center and maybe that's what's causing these differences. 
I also compared the transition differences from (for example) low 4 to high 3 etc. These numbers yielded an average difference of 19.7 with a high difference of 38 fps and a low difference of 2 (negligible).

It's easier to just post a picture rather than try to re-type all this info....




Are there any other Impact owners getting similar results?

 

[Michael]

Well thats interesting. Starting at MAX I always lowered the power by rotating it clockwise, then increased the power by rotating it counter-clockwise. I don't think I've ever used the side you labeled "H".

 

[Tominco]

You might want to give it a try over the chrony.
When I did my testing, I stayed consistent by rotating past MAX every time, all the way down to H+L #1's.

Sorry for the confusing pic vs drawing. I should have put MAX at the top so things looked the same. 

 

[archer00660]

doesn't it matter the grain of pellet to determine speed

 

[APerfectMiss]

just to add more adjustments in the equation. I can't wait for this to arrive. Does the FPS gradually go down if you go from H4 to L4 and H3 to L3?

EDIT:

Found what I was looking for. Tomico I found another thread to compare your notes to. Keep us posted on your further investigation. It would be nice to see if this will be consistent with other impacts. 

http://airgunnation.dev/topic/fx-impact-power-wheel-setting/

Second Edit:

I have now noticed that this post was older than I thought. Oops.

 

[Txboy]

What caliber are you shooting and what grain pellet. I have yet to see speeds even close to that and I have a 25 and a 30 barrel my dad has the 22 and I believe 950 fps is the most I've seen and it was the 22.