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Interesting platform. Should bring FX to the masses. Not sure if it will be the platform for us EBR guys but I guess we will see!

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MarkT, I own a gladiator, Boss, Wildcat, Impact and Crown. The Impact and Crown are feats of genius and I applaud FX for having the balls to build them. Most airgun manufacturers would not push the limits and build production guns of this complexity and quality. The Impact and crown are so well...

Got mine. Pretty happy with it in lamanate green. Its a laser with the 25g jsbs, but not so much with the 34s. Going back to the boss for EBR...The crown is not for everyone. If you are not a airgun scientist, buy a royale or boss. They are a lot less frustrating unless you are like me and enjoy...

PCPair, I'm attempting to shoot the heavies for EBR so that's what I'm focusing on. I did confirm that the 25.4s work best in my gun at 125 Bar at 890 fps. They are very accurate at 75 yards without wind. Add Wind, not so much. EBR is like a freaking tornado after lunch so if 34s don't work...

Kitplanenut, I've not had a lot of flyers when I clean the barrel, the barrel gets very dirty as you probably have noticed. My issue has been related to shifts in impact point. It will stack 3 pellets in the same hole, then stack two more 1/2" somewhere else, then put one back in the original...

Refill it and don't touch it!!!! Wow Great shot count!!! LOL!!! Seriously, find a chrony somewhere or use a ballistics calculator to determine your pellet speed. You can set your POA at 30 yards at zero, Move to 75 and take a shot and determine how much the pellet drops, then use a ballistics...

I've done some extensive testing with the Crown to attempt to resolve the issue of high ES and SD with my crown. LDP on another thread labeled "Tuning Discussion" gave some really good insight into the process. I've taken that information and performed a little experiment that I'll share with...

Using the information that I got from LDP, I've started a spreadsheet laying out the reg pressure starting at 125 bar and measuring the hammer spring position with a digital caliper. I'm building a table to graph the fps, ES,SD to determine the knee/plateau. So far, im in the middle of it and it...

Thank you for the clarification. By Boss has an ES of about 9 and an SD of about 3. My Impact has an ES of about 6 and an SD of about 2. I know this is a new gun so there is not a lot of data out there on it. What do you think I should expect for those specs from the crown? I want to be realistic.

LDP, thank you very much for the detailed explanation. I understand, however, one question. What do you mean by TP in step #1?

Kitplanenut, thanks for confirming there is nothing wrong with my crown es and sd numbers. I was thinking i might need to send it back. Im with you in thinking the 1:28 twist barrel may be the ticket on realing the flyers in but how do we fix the sd? Missing vertically is just as bad as missing...

I'm in the process of tuning my Crown to attempt to use the JSB 34gs at EBR 2017 this year. So to define my goal, is very predictable pellet placement at 75 and 100 yards. Just as everyone else, my crown came shipped at 125 Bar moving 25.4s at around 890 and 34s around 790. Average ES was about...

Interesting topic. Following.

What adjustments can be made to improve ES and ED??? I'm lost on this one...

Did you move the reg or just the hammer spring? out of the box, mine will only move the 34s at 790. I tightened the hammerspring up to get them moving at 830 fps, but as you can imagine, that make the vertical grouping worse at 100 yards. ...bigger arc, exponentially bigger variance at distance...

What are you guys seeing for for Extreme spread and Standard Deviation on your crowns? I'm fighting vertical groups with Extreme spread at 21 and SD at 5. Filled to 240, Reg set at factory 125 bar, shooting 25.4 jsb at average velocity of 890. This is the way my gun came from the factory. My...

To set the reg, you really need a good digital manometer as none of the small gauges are very accurate. According to everything I have heard, the crown factory setting is at 125 bar, everyone has a 1:30 twist rate barrel, and that configuration shoots best with the 25.4g jsb at around 890 fps...