Yes, but 3rd and 4th shot JSB 44.75s, so drift doesn’t override accuracy.
Claudio shot the 1:49 twist SubMOA if I’m not mistaken with AEA 50.5.
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AEA .30 caliber 66 grain pellets!!!
- Thread starter Centercut
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Claudio shot the 1:49 twist SubMOA if I’m not mistaken with AEA 50.5.
True. I suppose it would be better to say in the one day I had to shoot it before the first round, the 50’s performed better at the speed that Tom had the gun set at. The grouping did seem tighter, but I didn’t have the time to try different speeds.
You’re correct. Claudi’s was 1:49 with the 50’s.
You’re correct. Claudi’s was 1:49 with the 50’s.
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The very shallow looking base cavity on the 66.2 grain pellets is a little worrying, as they look like they will have a very aft CG position.
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I would have to analyse one to find out where the aerodynamic centre and CG are. If they are too close then you will need less spin, but group sizes may suffer. If they are very close/ in the same place, then you have a projectile which is neither like a slug nor a pellet and will not be good at all, as the aerodynamic centre may move from one side of the CG to the other.
If they are a perfect fit to the barrel, then you may get acceptable short range behaviour. Seeing pellets with shallow base cavities always makes me nervous.
If they are a perfect fit to the barrel, then you may get acceptable short range behaviour. Seeing pellets with shallow base cavities always makes me nervous.
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Heavier pellets are gonna require a faster twist rate barrel. The trick is to blast them to 100 yards and they get to 100 yards before the shoot curve. Being heavy they buck the winds a faster speeds. When they start to slow you'll see the curve,but if it's after 100 yards it doesn't matter. The lighter pellets act crazy out of faster twist liner when wind hits the skirt,50 grain and up don't near as bad. The pandas success is in the 1in24 twist liner shooting above 930 fps. Works in the impact to,I've been doing it with alot of sucess,even without aea high bc pellets. I been shooting in the 225 to 235 range with 50 grain titan pellets. Shooting a solid custom twist barrel on my impact m3. These 66 grain are gonna need faster than 1in 30 twist to work well. Good luck.
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Good thing is we know the 45’s and 50’s shoot extremely well. Maybe we’ll get lucky with the 66’s.
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Sorry,been in the shooting house all day today. At high speeds,pellets tend to curve as they slow down,left,right, most shooters shoot slow enough they keep the pellet in the best bc range for the pellet. I grew up reloading centerfire. I like flat and fast . With the correct twist rate you can fire pellets really fast and be accurate way past 900fps. As they slow they'll curve, crossman 14.3 pellets. Really good budget pellets. When you get them to fast they curve. If your target is before the curve,then it don't matter long as they are hitting where you aim. I tune my guns for each pellet type at a certain distance. It's easy for me. From the 25 yard distance from 75to 100 is really where I see the speed curves with lighter pellets. I had some wind today testing . Shot 25 caliber all day at 100 yards. 34 grain only at all speeds. 1in24 twist and 1in18. 25 caliber is difficult. You'll get half way through a card and have a 4inch miss. I've decided to not buy anymore 25 caliber ammo. It's all 30 caliber from here on out. I meant to say shot curve,or speed curve.
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I tried these out this morning at 100 yards. Adjusted Skout Epoch to 1925 psi HP reg for about 875 to 880 fps. Could have gone faster but didn’t want to adjust 1st stage reg (need to remove bottle for that).
It shot well about 1/2 and the other 1/2 were spirals. I think probably a slow twist 1:40 is not good with these Pell-Lugs. My guess is if you have an older 1:22 twist .30 caliber liner they just might shoot well.
That’s the main reason I didn’t jack up the pressure to increase speed. It wouldn’t have helped.
Here’s what I saw on the chrony.
BC is a disappointment and no better than the AEA 50.5s. Probably lower than expected due to the spiraling. Since they are so big and going at only 880 fps it was easy to watch the spiral to the target. About 1/2 of them spiraled. The ones that didn’t hit right where I was aiming.
I’d guess they will shoot well in 1:24 Pandy or 1:26 SubMOA barrels…
Glad I only bought two tins. Afterwards I shot some 50.5 AEA without adjustment and they were going about 990 fps! NOT accurate at that speed! Dialed back down to 910 fps and shot 3 ten shot cloverleafs so that’s what I’ll use for this next season…
It shot well about 1/2 and the other 1/2 were spirals. I think probably a slow twist 1:40 is not good with these Pell-Lugs. My guess is if you have an older 1:22 twist .30 caliber liner they just might shoot well.
That’s the main reason I didn’t jack up the pressure to increase speed. It wouldn’t have helped.
Here’s what I saw on the chrony.
BC is a disappointment and no better than the AEA 50.5s. Probably lower than expected due to the spiraling. Since they are so big and going at only 880 fps it was easy to watch the spiral to the target. About 1/2 of them spiraled. The ones that didn’t hit right where I was aiming.
I’d guess they will shoot well in 1:24 Pandy or 1:26 SubMOA barrels…
Glad I only bought two tins. Afterwards I shot some 50.5 AEA without adjustment and they were going about 990 fps! NOT accurate at that speed! Dialed back down to 910 fps and shot 3 ten shot cloverleafs so that’s what I’ll use for this next season…
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I’m going to order some, and will try in my Panda. If they work, I’ll see if Tom has a lower twist barrel I can test in the EVOL. My guess is as you suggested, they won’t be better than the 50gr. I guess we’ll see as others test them.
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If they are spiralling, using a higher twist rate may well make them worse. Spiralling is usually a sign of too much stability, not too little, caused by a CG too far aft.
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For those interested, I just got my order and I took a measurement of the pellets as well as the slugs.
Pellet skirt depth 1.5mm
Pellet skirt depth 1.5mm
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I doubt it. I don't think AEA who makes the Panda would make a totally new pellet that don't shoot out of its own guns. My guess is they were tested in a 1:24 Panda and shot well. Why else release them?
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