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Old 12-24-2017, 10:20 PM   #11 (permalink)
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Today I did my first efficiency test on the pistol with a 12 gram.

Got off 18 shots from a Crosman once I had the recock set right.
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Old 12-26-2017, 08:19 PM   #12 (permalink)
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Quote:
Originally Posted by SEFishy View Post
both the thunder and alley cat came in a deluxe version with double triggers and green splatter. I have examples of both along with the fox
There was also the black/silver sponge with green spatter...


I think the Thunder cat's were called Deluxe, the Alley Cat was an LT. Branding can be weird. EDIT: Now that I think about it, maybe mine was labeled a DX. I need to find that box...

Also of note to people reading along, the longer vertical ASA's on these basically gave them a slightly larger valve volume, which ended up helping with performance on HPA. Some people have issues getting the short vertical ASA guns to recock properly with HPA, my long ASA one has never had any issues at all.
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Old 12-26-2017, 10:52 PM   #13 (permalink)
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I have seen a sponge pattern from time to time but i was under the impression it was some kind of special run as all the special models i have ever seen were black with green.

also, most of these can not run on hpa with a macroline setup. the smaller internal diameter just isn't enought


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Old 12-29-2017, 10:25 PM   #14 (permalink)
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Old 12-29-2017, 11:59 PM   #15 (permalink)
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The Wildcat. It'd be sweet if you'd post a copy of the build up here on MCB.
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Old 01-19-2018, 08:03 PM   #16 (permalink)
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I'm considering picking up a new tank with an shp reg to run on an old thundercat i picked up, Due to none of the local fields around here being unable to fill co2 and with the shp regs preset to 1100 psi, I'm wondering what kind of pressure would be too much and if it needs turned down from that. I can't seem to find specs on operating pressure anywhere, but I think its higher than standard HPA

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Old 01-20-2018, 10:10 AM   #17 (permalink)
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I'm considering picking up a new tank with an shp reg to run on an old thundercat i picked up, Due to none of the local fields around here being unable to fill co2 and with the shp regs preset to 1100 psi, I'm wondering what kind of pressure would be too much and if it needs turned down from that. I can't seem to find specs on operating pressure anywhere, but I think its higher than standard HPA

I'm really curious myself how well you make out with an HPA output reg.

When I first rebuilt my cat (new seals, new main spring ) I thought I was all set. However, with my 48/3000 tank, outputting at 800 psi, I could not seem to tune this gun properly.

I had a heck of a time trying to get the gun to even re-cock. But at that point where it would finally re-cock, the velocity was way too low, around 200

Later this summer, I added an ex chamber (as seen in my first post) and picked up a 12 oz co2 tank. The gun started re-cocking immediately! Now I have not yet had a chance to chrono this gun but I am feeling pretty positive, since I have 2 full turns left of Velocity Screw to play with, and about 1/2 the rear RVA travel to further play with. I am pretty confident I can get this gun up to 280 fps using co2 .

Let us know how your testing goes!

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Old 01-20-2018, 11:35 AM   #18 (permalink)
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Mel7,

Have you tried it with HPA since you added the expansion chamber?

I'm curious if I could add one of those (bottom plugged) and use a back bottle on the rear ASA.

Theoretically would an exchamber store enough air in front of the valve for it to cycle?
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Old 01-20-2018, 12:42 PM   #19 (permalink)
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Mel7,

Have you tried it with HPA since you added the expansion chamber?

I'm curious if I could add one of those (bottom plugged) and use a back bottle on the rear ASA.

Theoretically would an exchamber store enough air in front of the valve for it to cycle?

I have not tried yet. My HPA tanks are empty at the moment. Next fill I will test and post here if recocking improves.

I have switched out expansion chambers since posting my first pics (swapped the intruder to another gun, replaced with a PMI Perfect ex chamber) but I assume the concept is the same......large volume chamber for co2 liquid to turn into gas.......

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Old 01-22-2018, 08:15 AM   #20 (permalink)
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So I did some messing around and found that 1 of the 3 cats I have will run with an HPA back bottle.

I haven't changed out any O rings yet because none of them leak.

However, I'm going to do the bolt O rings on all of them for general purposes and then retest.

They all run on CO2, but I like options. And HPA will be much easier when I bring friends and loan them my guns.
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