Comp Differences

[BadShot]

I see some comps have a large port then a couple of smaller ports and some have a smaller port then larger ports.  Does this affect your choice of powder and bullets?  If so, how?

 

Thanks

[igofast85]

No idea, but I would also like to know.

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[jcc7x7]

Each gun and shooter are a separate and unique combo.

My Bedell guns run differently than the guns with other comps.

I load the same load for all of them because I use the other gun as a back up to the Bedell gun.

But it likes HS6 better and a lot of it (Binary Comp) vs the Bedell gun that runs more effectively on less of WAC or Silhouette 

As far as how flat it runs with me behind it! Different shooter may get a completely different result base on grip, stance etc!

 

[echotango]

Different comps do different things. I tested quite a few and they were all different with each having their own traits. 

I am currently running the binary eng cfd 2 port on 3 open guns with wac. Tried hs6 and aa7 and keep going back to wac. 

 

It will be different for everyone. Some will like comp abc with aa7 and other will like comp 123 with hs6. Then throw in 115 or 121 or 124 or 135, etc. 

 

Only way to know is to shoot them. 

Edited September 18, 2019 by echotango

[caspian guy]

Give this a look... some interesting analysis around port sizing and spacing.  I seem to recall he's done some other simulations (which I can't seem to find right now.)