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Why do flats shoot faster then tubes?

1605 Views 24 Replies 11 Participants Last post by  MOJAVE MO
Obviously tubes are slower then flats, but why is that?? Reduced retraction speed due to the thick walls?

If that's the case why could you not make a tube with say, .7 walls would that not be the best of both worlds? (Except you could not cut tapers)

And why the high draw weight of tubes?, my looped 1632s have a way higher draw weight then my tapered precise .75s (and 1632 walls are pretty thin) but the .75 shoots quite a bit faster?

I dunno, just the questions that keep me up nights
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I am torn about small ammo though. I enjoy shooting my .22 pellet rifle. So I recently decided to try a bb pistol. I bought a umarex xbg bb pistol from Cabelas. The moment I fired it, I knew it was not for me though. Those bb's there just so tiny.... They do nothing... Even at 500fps it all seems so pointless. shooting sports appeal to me as a projection of force, action at distance. Without that it's hard for me to get into it
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Soaked you could definitely shoot single tube 1632 butterfly with 6 mm steel. I shoot 6 mm steel with 1632 at a 32-in draw not even close to fully maxed out and get good speeds at 10 to 12 meters. I think 2040 full butterfly would kind of be Overkill for 6 mm steel.

You can pick up a box of 250 6 mm steel or quarter inch steel at Walmart for under $5 to give it a try. I was pleasantly surprised at how much punch the quarter inch supplied when hitting targets.

Cheers
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Nice. I have plenty of 1632. I will check walmart. Hopefully they have 6mm in Canadian wallmart
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I'd like to add two or three cents to this. Not all 1632 is the same. DK introduced 'New Edition' 1632 in late '19 and I've been a believer since. Visually the OD looked smaller (I thought it might be 1530) but they said no, it falls within the mfg tolerances of 1632. It's definitely snappier and a little stiffer. I have similar opinions about their Premium 2040 which performs better than the regular 2040. Both have a slightly increased draw weight but it's insignificant.

If you really want to turbo 1632, try 1636 which I like for my new favorite 7mm steel. I've loved 6.4mm forever, but 7mm was a delightful surprise - more thud with minimal or no increase in required energy.

Lastly, regarding BBs and 1632 singles - IMO, they're just a little too overpowered. Shout out to wll for introducing 1030 from slingshooting.com - they have speed and flat trajectory for the little .177 without the hellacious ricochets that can happen with '32. Also, it's draw weight might be a negative number. :)
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I am consistently fascinated by this topic because it appeals to the 'problem solving' side of my brain. However the 7-year old side of my brain is only concerned about having rubber attached to my frame and a pocket full of any kind of ammo that will fly straight. The adult side of my brain reminds me that I can put together a flawless band set of either tubes or flats using exotic material for the pouch. Then afford a perfectly balanced ammo of any type and have all it matched and weighted to a high dollar custom frame to ultimately find out that an 88 year old woman is outshooting me using an 80 year old tree fork, some rubber bands she chains together to a shoe-tongue pouch that she uses to shoot tree nuts to hunt for birds everyday to feed her family.

Sent from my iPhone using Tapatalk
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