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Forum: Tippmann 07-12-2014, 11:36 PM
Replies: 144
Views: 11,660
Posted By Echo
This is the last project I will ever discard. I...

This is the last project I will ever discard. I just don't have much time to tinker right now between school and working to pay for school. It will eventually get done, and I still hope to offer a...
Forum: Custom Projects / Custom Questions 05-25-2014, 12:54 AM
Replies: 1,851
Views: 85,009
Posted By Echo
Agreed. That's at least one way NOT to try it. ...

Agreed. That's at least one way NOT to try it.

About thermal capacity, I just this quarter learned about a material property that is essentially a thermal time constant. I can't remember the name...
Forum: First Strike 05-13-2014, 12:10 AM
Replies: 54
Views: 1,784
Posted By Echo
Sounds good, keep me posted. I want one and I...

Sounds good, keep me posted. I want one and I don't even have the riser it goes on.
Forum: First Strike 05-12-2014, 07:44 PM
Replies: 54
Views: 1,784
Posted By Echo
Do you have a solid file and/or napkin drawing...

Do you have a solid file and/or napkin drawing for that adjuster disk? I have CNC's and that looks really easy to make.
Forum: Custom Projects / Custom Questions 04-24-2014, 01:42 PM
Replies: 1,851
Views: 85,009
Posted By Echo
You could groove the ID of the bolt and get an...

You could groove the ID of the bolt and get an o-ring or other seal in there without grooving the powertube. It would require a new bolt design without a TPC I think. Or at least just not the...
Forum: Custom Projects / Custom Questions 04-23-2014, 07:53 PM
Replies: 1,851
Views: 85,009
Posted By Echo
Quarter system. A gift and a curse. I've...

Quarter system. A gift and a curse.

I've used my Thermo books tables for CO2 gas before to try and find theoretical efficiency without heat transfer (I got 276 shots). You can find how much energy...
Forum: Custom Projects / Custom Questions 04-23-2014, 11:30 AM
Replies: 1,851
Views: 85,009
Posted By Echo
I just started my 400 level class on heat...

I just started my 400 level class on heat transfer and I'm really geeking out. I can't help but think about making a heat exchanger for a paintball gun. Probably not practical at all but still . . .
Forum: Custom Projects / Custom Questions 04-23-2014, 03:08 AM
Replies: 1,851
Views: 85,009
Posted By Echo
Or an in grip changer with a solid copper frame...

Or an in grip changer with a solid copper frame for maximum heat transfer from your hands.
Forum: Custom Projects / Custom Questions 04-22-2014, 10:17 PM
Replies: 11
Views: 694
Posted By Echo
Very nicely done. I'm working on a similar one...

Very nicely done. I'm working on a similar one for my brother, what parts did you use for the fake gas block/ tube and front sight?
Forum: Custom Projects / Custom Questions 04-17-2014, 12:20 AM
Replies: 45
Views: 2,976
Posted By Echo
I hunted down this thread after seeing your...

I hunted down this thread after seeing your YouTube video. I need one. Well two.

Any progress with it?
Forum: Custom Projects / Custom Questions 04-10-2014, 01:05 AM
Replies: 1,851
Views: 85,009
Posted By Echo
What's the purpose of the o- ring behind the...

What's the purpose of the o- ring behind the chamber fill holes on the hat (silver thing attached to the back of the cupseal)? It seems to me like it won't completely stop gas from entering the dump...
Forum: West Coast 04-08-2014, 03:57 PM
Replies: 449
Views: 12,318
Posted By Echo
The tiny valve the hammer hits. Its probably got...

The tiny valve the hammer hits. Its probably got a name but it's been a while since I went digging in the Thumper thread.
Forum: West Coast 04-08-2014, 01:36 PM
Replies: 449
Views: 12,318
Posted By Echo
Woouulf, do you have any spare pilot valves for...

Woouulf, do you have any spare pilot valves for the Thumper you sent me? We think the one in there might be getting stuck.
Forum: Tiberius Arms 03-20-2014, 02:26 PM
Replies: 2
Views: 225
Posted By Echo
I've been thinking about a way to swap between...

I've been thinking about a way to swap between magazines and a tube feed on the fly. You could just flip a switch on the tube and shut off tube feed to run first strike. Rotate the barrel and flip...
Forum: West Coast 03-16-2014, 04:38 PM
Replies: 449
Views: 12,318
Posted By Echo
Just paid. I know's it's officially too late to...

Just paid. I know's it's officially too late to reserve a shirt size, but could you put me down for a large pending availability?
Forum: Rare, Old Guns 03-02-2014, 07:38 PM
Replies: 8
Views: 601
Posted By Echo
You COULD just not tell your wife :p Back to...

You COULD just not tell your wife :p

Back to the top.
Forum: The Dead Zone 02-27-2014, 09:48 PM
Replies: 39
Poll: Shemagh Use?
Views: 1,443
Posted By Echo
I picked this up at SC Village's Decay of Nations...

I picked this up at SC Village's Decay of Nations scenario a few years back.

FC Shemagh - Dark Green and Tan Skulls : FULL CLIP USA, Gear for Guys with Guns...
Forum: Rare, Old Guns 02-25-2014, 08:34 PM
Replies: 8
Views: 601
Posted By Echo
bump

bump
Forum: Rare, Old Guns 02-20-2014, 11:44 PM
Replies: 8
Views: 601
Posted By Echo
Bump

Bump
Forum: Rare, Old Guns 02-16-2014, 03:46 PM
Replies: 8
Views: 601
Posted By Echo
Bump

Bump
Forum: Rare, Old Guns 02-12-2014, 04:45 PM
Replies: 8
Views: 601
Posted By Echo
To the top

To the top
Forum: WTB 02-09-2014, 11:39 PM
Replies: 2
Views: 97
Posted By Echo
I've got one I've made shoot .62 caliber paint...

I've got one I've made shoot .62 caliber paint instead of the tiny .50 caliber. Link (http://www.mcarterbrown.com/forums/buy-sell/250753-crossman-3357-converted-62-cal.html).

Let me know if you're...
Forum: Rare, Old Guns 02-08-2014, 12:17 AM
Replies: 8
Views: 601
Posted By Echo
Crossman 3357 Converted to .62 Cal

Up for sale is one of my Crossman 3357 .50 caliber revolvers that I converted to shoot .62 caliber. You also get a baggie of extra seals and a valve tool I made, apparently I didn't take a picture of...
Forum: Custom Projects / Custom Questions 02-02-2014, 04:08 PM
Replies: 75
Views: 5,365
Posted By Echo
I did a quick velocity test. Its about 60 degrees...

I did a quick velocity test. Its about 60 degrees F toady, and I didn't wait longer than it took to read the chrono and aim between shots.

Shots 1-3; No paint, warm up, made sure everything is...
Forum: Custom Projects / Custom Questions 02-02-2014, 03:35 PM
Replies: 75
Views: 5,365
Posted By Echo
I dug these out of the rafters because I really...

I dug these out of the rafters because I really need some cash. I cant get the valve seals anymore, so I made my own out of teflon stock. Its the little white washer in the picture below. It works...
Forum: Tippmann 01-24-2014, 12:14 AM
Replies: 23
Views: 1,626
Posted By Echo
I tried that first actually, it kind of worked....

I tried that first actually, it kind of worked. With the banjo tapped into the velocity adjuster, if you dont have a ball in the chamber, the cyclone wont cycle properly and the F/A bounces...
Forum: Tippmann 01-18-2014, 10:26 PM
Replies: 23
Views: 1,626
Posted By Echo
I found out that there is actually a fairly...

I found out that there is actually a fairly significant, ~1/8" gap between the front of the powertube and the rear or the bolt when the bolt is ai the way forward. Obviously, that will reduce...
Forum: Tippmann 01-11-2014, 08:26 PM
Replies: 23
Views: 1,626
Posted By Echo
My F/A got buried under other projects, but I did...

My F/A got buried under other projects, but I did finish the cyclone mod. I had problems with the bolt and powertube on HPA, and that's where I left it.
Forum: Rare, Old Guns 12-16-2013, 03:50 PM
Replies: 35
Views: 1,372
Posted By Echo
Sold

Sold
Forum: Tippmann 12-15-2013, 07:00 PM
Replies: 144
Views: 11,660
Posted By Echo
Ha, I'm so backed up with projects and schoolwork...

Ha, I'm so backed up with projects and schoolwork that I wouldn't dream of taking anyone's money. You can still buy my SMG though.

It looks doable. It would require a new front, obviously. The...
Forum: Rare, Old Guns 12-15-2013, 04:59 PM
Replies: 35
Views: 1,372
Posted By Echo
PMd you Titan

PMd you Titan
Forum: Rare, Old Guns 12-15-2013, 04:38 PM
Replies: 35
Views: 1,372
Posted By Echo
I've heard horror stories of UPS shipping...

I've heard horror stories of UPS shipping charging ludicrous amounts to release a package to our Canadian friends....
Forum: Rare, Old Guns 12-15-2013, 04:12 PM
Replies: 35
Views: 1,372
Posted By Echo
That's basically the deal, although shipping to...

That's basically the deal, although shipping to Canada usually isn't much different. You are aware of the potential problems on your end? I don't ship UPS because they like to hold your stuff hostage.
Forum: Rare, Old Guns 12-15-2013, 02:29 PM
Replies: 35
Views: 1,372
Posted By Echo
Up to evilBay, edited original post with the link.

Up to evilBay, edited original post with the link.
Forum: Tippmann 12-15-2013, 02:22 PM
Replies: 144
Views: 11,660
Posted By Echo
You know, I hadn't thought of that. I've got a 68...

You know, I hadn't thought of that. I've got a 68 special body lying around, I'll take a look and see how doable that would be.
Forum: Rare, Old Guns 12-15-2013, 01:07 PM
Replies: 35
Views: 1,372
Posted By Echo
Hey, if he offers a reasonable amount and puts...

Hey, if he offers a reasonable amount and puts money in my PayPal, I have no issue with him.

If you've got particular reason why I should not take his money, please PM me. Otherwise I would...
Forum: Rare, Old Guns 12-15-2013, 01:00 PM
Replies: 35
Views: 1,372
Posted By Echo
Sorry, that's too low. I need to buy some gifts...

Sorry, that's too low. I need to buy some gifts too.
Forum: Rare, Old Guns 12-14-2013, 09:17 PM
Replies: 35
Views: 1,372
Posted By Echo
$180 OBO for the SMG tuned to your field...

$180 OBO for the SMG tuned to your field velocity, 16 clips, shipping, PayPal fees, and my "warranty".
Forum: Rare, Old Guns 12-14-2013, 03:12 PM
Replies: 35
Views: 1,372
Posted By Echo
Bump, going to eBay tonight. It won't have my...

Bump, going to eBay tonight. It won't have my warranty or velocity controller there. Make an offer if you want it.
Forum: Rare, Old Guns 12-09-2013, 04:50 PM
Replies: 35
Views: 1,372
Posted By Echo
Bump. Original post edited with a way to control...

Bump. Original post edited with a way to control the velocity and bring it into field legal limits.
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