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Old 07-15-2020, 02:09 PM   #1
Masada   Masada is offline
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I designed a TDC

So I got annoyed with all of the existing TDC designs that I've seen and decided to design my own. Basically I wanted something that didn't require gluing the base to the outer barrel while being more functional than what I've seen.

Main highlights:
-no gluing
-click adjustment
-rigid nub (with a spring return)
-drop in compatible with the AA VSR chamber

Obviously still requires drilling holes in the outer barrel, but I think this is a little more elegant than other designs. The biggest downside though, it's pretty tall (like 0.8"). I had to add height for the spring return and the click adjustment, though I think that's worthwhile.

I'll probably have a set machined for myself, but I'm guessing this is going to be pretty pricey if I go that route (there's 5 separate custom components here).

I may put it up on Shapeways or something for people to try out too. Anyone think that would be worthwhile?

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Old 07-15-2020, 04:39 PM   #2
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That looks fantastic! Except I don't have a VSR 😥. Got an A&K m24 on Monday and its begging for a TDC. Do you thing it would work in that platform?
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Old 07-15-2020, 06:53 PM   #3
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That's too cool man. I see the gunsmithy inspiration, but taking a good design and making it even better is never a bad thing in my book. Why not print a few rather than get them cnced, atleast for a first batch? Shapeways is a nice idea as well, extra cool since I'm picking up a printer of my own pretty soon.
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Old 07-15-2020, 07:00 PM   #4
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I seriously want one as long as it costs close to a normal TDC.
I was pretty disappointed with my stupid Airsoft Philosopher chamber(tbh, I'm going to try some more stuff on it to make it worth all of the hard earned money I spent) and I still have my AA if all else fails
Also, what is the best nub in your opinion for R-hop?
I'd probably run one with this as I'm sick of Maple Leaf buckings getting worn.
Seriously excited, as I don't want to use a SKEEE, Gunsmithy, Tridos, or other similar style TDC as they only fit in the stock style chambers which are more prone to leaks.
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Old 07-15-2020, 09:34 PM   #5
Masada   Masada is offline
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Quote:
Originally Posted by FMP Airsoft View Post
That looks fantastic! Except I don't have a VSR 😥. Got an A&K m24 on Monday and its begging for a TDC. Do you thing it would work in that platform?
I honestly don't know, but probably not.

Quote:
Originally Posted by Sodium View Post
That's too cool man. I see the gunsmithy inspiration, but taking a good design and making it even better is never a bad thing in my book. Why not print a few rather than get them cnced, atleast for a first batch? Shapeways is a nice idea as well, extra cool since I'm picking up a printer of my own pretty soon.
I could probably print some test pieces myself. Though I'm pretty sure the click function isn't going to work with plastic parts. Otherwise it might hold up ok.

Quote:
Originally Posted by SiliconeSword View Post
I seriously want one as long as it costs close to a normal TDC.
I was pretty disappointed with my stupid Airsoft Philosopher chamber(tbh, I'm going to try some more stuff on it to make it worth all of the hard earned money I spent) and I still have my AA if all else fails
Also, what is the best nub in your opinion for R-hop?
I'd probably run one with this as I'm sick of Maple Leaf buckings getting worn.
Seriously excited, as I don't want to use a SKEEE, Gunsmithy, Tridos, or other similar style TDC as they only fit in the stock style chambers which are more prone to leaks.
Having it machined from aluminum will probably cost well past $100 honestly. Setting up a CNC for 5 one-off parts is crazy expensive.

No other nub needed with this either. It's built right in.
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Old 07-15-2020, 10:26 PM   #6
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Do you have your own CNC machine, or do you order them made by a contracted company?
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Old 07-15-2020, 10:39 PM   #7
Masada   Masada is offline
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Quote:
Originally Posted by FMP Airsoft View Post
Do you have your own CNC machine, or do you order them made by a contracted company?
I outsource anything that isn't printed. It's just much easier that way.
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Old 07-16-2020, 08:07 AM   #8
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Old 07-16-2020, 09:59 AM   #9
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Edgi makes a tdc for a vsr10 which I like.
This kinda reminds me of it. It also doesn't require gluing because it is held onto the barrel with grub screws.
https://hpairsoft.ca/product/edgi-vsr-tdc/
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Old 07-16-2020, 10:36 AM   #10
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This reminded me of the EdGi too. But it looks like Masada’s design has a piece that physically fits into the aa hop, which is solid!
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Old 07-16-2020, 11:57 AM   #11
Masada   Masada is offline
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Quote:
Originally Posted by Blind Sniper View Post
This reminded me of the EdGi too. But it looks like Masada’s design has a piece that physically fits into the aa hop, which is solid!
Yep, it attaches directly to the AA hop up so it should always be aligned well.

I think technically this could be a combination of printed and machined parts. The nub specifically probably doesn't need to be machined, plus you could theoretically have a few different designs based on preference. It's pretty easy to change out without removing the hop up chamber or TDC base.

I'll try to get some parts printed today to see if it will even work, haha.
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Old 07-16-2020, 05:18 PM   #12
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I'd love a copy of the STL to help beta testing it.
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Old 07-17-2020, 03:26 PM   #13
Masada   Masada is offline
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Well I printed the set, though my material choice wasn't great and they don't fit together super well. Still, looks like it should all work fine. I might just move on to machining a set now.

Also, uploaded a bunch of stuff to Shapeways. https://www.shapeways.com/designer/masada02/creations


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Old 07-20-2020, 03:47 PM   #14
Masada   Masada is offline
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And in a similar vein to a full TDC, what about a one-piece hop up arm and nub? For the AA chamber of course.

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Old 07-20-2020, 04:45 PM   #15
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What's the radius on that nub?
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