Adjustable-bow TDX (In acrylic, no less and WIP...)

[Kayin]

Someone mentioned making an adjustable-bow TDX, and as I had one in the closet and some free time, this is what I made.

http://img.photobucket.com/albums/v310/KayinStorm/001-4.jpg

This is a plate to give LGA775 mounting, adjustable bow, necking down for venturi effect (later pics will give more insight) and the mounts for the barbs. You can see the 4 knurled nuts that control bowing.

http://img.photobucket.com/albums/v310/KayinStorm/003-5.jpg

Was just a cool pic. Least it's clean in there...

http://img.photobucket.com/albums/v310/KayinStorm/004-5.jpg A different view, the edges still need cleaning up, but there will be more to this block...

http://img.photobucket.com/albums/v310/KayinStorm/005-3.jpg

http://img.photobucket.com/albums/v310/KayinStorm/006-2.jpg

The old AM2 top, relieved for the knurled nuts rather badly and sporting my G1/4 threading, as I have no taps for it... Here you can also see the size mismatch, how I have more shaping to do on both sides of that plate... And here the venturi/scavenger idea comes in-flares for each side, to cover entry velocity and aid in block exit.

http://img.photobucket.com/albums/v310/KayinStorm/007-2.jpg

Captive O-ring compressions (these are by Koolance, ignore the green on them, they're fine)

http://img.photobucket.com/albums/v310/KayinStorm/008-1.jpg

And installed.

Now for the fun.

http://img.photobucket.com/albums/v310/KayinStorm/009-1.jpg

http://img.photobucket.com/albums/v310/KayinStorm/010-1.jpg

Meet test board. I hate test board. May test board serve under me in fear for the rest of its natural days...

http://img.photobucket.com/albums/v310/KayinStorm/011-1.jpg

Blind tapped for hard mounting...

http://img.photobucket.com/albums/v310/KayinStorm/014.jpg

http://img.photobucket.com/albums/v310/KayinStorm/012.jpg

And mounted. It works like a charm thus far...

I don't claim to be an expert machinist. I have a Dremel and some files. That's it, but I still get stuff done. Still left to do is port matching, a new injector nozzle, and finding proper length screws. Test board was harmed repeatedly last night. It was harmed in the filming of this work. Test board is just generally here for me to hurt. If it wanted to "act" stable till it caught fire, it deserves it.

Anyway, have fun...

[Martinm210]

Awesome, looking forward to more!!

[Kayin]

Martin, iandh, etc-is this what you guys were talking about?

[Senater_Cache]

im sorry for it, but I do not see how this creates any bow...let alone an adjustable one.
Is there a thicker / stiffer padding on the nozzle to make it bow?
please explain.

also no O-ring between the tops? how is the threaded top sealed to the bigger, new "midplate" mounting plate?

[coolmiester]

im sorry for it, but I do not see how this creates any bow...let alone an adjustable one.
Is there a thicker / stiffer padding on the nozzle to make it bow?
please explain.

also no O-ring between the tops? how is the threaded top sealed to the bigger, new "midplate" mounting plate?

My thoughts exactly Senater_Cache when i first saw it but i thought it best to let someone else ask the questions.

Also how are the thumbs screws accessible to make "adjustable" as it doesn't look like you would be able to tighten / slacken them once its installed.

I'm sure you have it figured out but unfortunately i don't understand from the brief :confused:

[Martinm210]

Kayin;2711239']Martin, iandh, etc-is this what you guys were talking about?

I'm not really sure what iandh was thinking about. I had always figured He was going to work something up with the inlet barb. Not sure how though?

[Kayin]

As I said, I'm not finished. There will have to be a new accelerator plate to cause the bow, and I haven't made it yet. And good eyes, I still have to make it seal the two top pieces.

As to adjustments, I'm making my own case, so space will be absolutely no issue in adjusting. Test board and I are playing around with it, but I think I will end up using graphite lube on those threads to make them turn easier...

I'm just having fun here, really. I like making stuff, and sometimes messing up stuff, and learning along the way.

I took most of my inspiration from the guy who bowed his regular TDX in the MC-TDX thread. I'm just working on his idea some more...

[Nate P.]

Looks good!

[Martinm210]

Good work. I love these types of threads. They are extremely inspirational and SOOOOO much funner to read that the regular "Which commercial part should I buy" thread...:D

[Croak in BC]

All right, that's enough there buster!

As a charter member of the SPCTB, consider yourself warned. We'll be working to get a restraining order on you as soon as possible, and know that every move you make from here on out is being watched.

If any harm comes to Test Board due to your reckless, thoughtless, inhumane, depraved bowing experiment, you'll be hearing from our lawyers.

I should expect other hardware rights groups to be contacting you shortly as well, and buddy, I really hope for your sake you don't get on the wrong side of the NAATDX, they play for keeps.

[Kayin]

Sure.

There is a replacement nozzle I have to build, which will go where the original one is. Just like the o-ring in a Fuzion or GTX, it provides the push against the soft copper bottom that makes the base bow out. By adding those knurled nuts on all-thread instead of screws, I can adjust how tight it is between the two halves, adjusting the bow both in amount and in shape.That way, I can hard-mount the block but still adjust the bow in place, so I don't have to mess up a great mount to experiment.