Header tank valve

[Pearson]

Re: Header tank vavle

Unless you are planning on making a large number of these, why not just use a good old fashioned metal stamping set. I am talking about the sets where you stamp each letter individually with a hammer. It would be a lot slower than laser etching, but it is also a lot cheaper.

[Hank Jarrett]

Re: Header tank vavle

Why not just take the handle to a trophy shop and have the markings engraved in?
Hank

[astjp2]

Re: Header tank vavle

I am eventually hoping to build a few more parts, maybe landing gear and tail feathers...and all of those parts need marked too. Tim

[Hank Jarrett]

Re: Header tank vavle

I might be missing something. Why are you "required" to stamp or engrave all the parts? It is actually a really BAD idea to mark high strength parts in this way since cracks have a nasty habit of forming in areas with stamps and etching. Why not just ink stamp the parts?
Hank

[Mark Julicher]

Re: Header tank vavle

Why not just take the handle to a trophy shop and have the markings engraved in?
Hank

An engraved p/n can save a lot of money in the long run. Witness the AD on Cessna nose struts. With the part number stamped into them it is easy to tell if the AD is done or if the strut is scrap. A painted part number would be long gone in the greasy nasty nose strut environment.

[Hank Jarrett]

Re: Header tank vavle

Engraving or stamping is OK on things like mild steel or non-notch critical areas. problem is, do you know how notch critical the part is and where it is sensitive? Ever notice how a lot of parts have a raised "pad" where the part number is stamped? There is a reason. Even some very critical materials and components have a low stress area. The problem is finding where to do it.
How about a metal band with the stamp sealed around it? Easier than doinng a full finite element analysis.
Hank

[barnstmr]

Re: Header tank vavle

Darryl (FlyGuy)
Tell us more about that valve... do you have a spec sheet? Part No.? Manufacturer name? Dimensions?
Thanks....
TB

[VictorBravo]

Re: Header tank vavle

While we're on the subject:

Now that's not fair, putting super sexy gorgeous pornographic images like that on this nice wholesome forum !

Like Terry said... can all the dirty old men here get her number ?

[Hal]

Re: Header tank vavle

HI All,
I just called them and the fitting is AN-6. Both end fittings are removable and it will have an internal 3/8 pipe thread. The unit is about 2.5 inches long.
I just put one on order.
Hal

[Larry Lyons]

Re: Header tank vavle

Terry, Bill,
It is a fuel shut off valve for race cars. It is about $70. Don't have any additional information on it except that it is available from a racing parts supplier. I'll put the link here shortly.

http://www.speedwaymotors.com/Fuel-Shut-Off-Valve,318.html

I have considered investing in one to check form-fit-function.
DC

Imagine that; everything and more, then we need in the aviation field for half the cost. Golly I love the FAA!
Larry

[Pearson]

Re: Header tank valve

Darryl,

Check your PM.

[astjp2]

Re: Header tank valve

Ok, here is a pic of one of my valves with a test handle. It has a place for the control rod and the over center spring. The one shown is a 3/8" but I also am doing the 1/4". The finished handle will have a nylock and be locktited on installation with corrision preventative plating and the correct info engraved. Tim

[Hank Jarrett]

Re: Header tank valve

"Correct info engraved"? none of mine have anything engraved on them. What is the correct info?

I sure like that handle! The rectangular hole for the shaft is giving me fits! Anybody want to sell some of the handles with the valve shaft hole already in them? The rest is easy.
Hank

[VictorBravo]

Re: Header tank valve

"Correct info engraved"? none of mine have anything engraved on them. What is the correct info?

I sure like that handle! The rectangular hole for the shaft is giving me fits! Anybody want to sell some of the handles with the valve shaft hole already in them? The rest is easy.
Hank

An STC-PMA replacement will require a sticker, tag, or engraving to conform with FAR 45.15 (now politically correct-ized as 14 CFR 45.15) showing that it is indeed STC-PMA, part number, and applicable aircraft models.

The rectangular hole can be drilled in two places, leaving a "figure 8" shaped hole, then the corners and sides squared out with a "riffler file". For those not wanting to invest that amount of time to revisit the emotional joys of the 1900's Industrial Revolution, a Dremel rotary tool with a Roto-Zip bit or rotary file will rough it out quickly and you can hand file it from there. Be careful with the Roto-Zip, you'll have to put the work piece in a good vise, and hold on to the damn Dremel tool with both hands for dear life and wear four layers of eye protection... but it's fast.

[flybikefarm]

Re: Header tank valve

I bought an old diefiler at a local machine shop. Makes perfect square holes. Only paid $100, and it came with a whole handfull of files. George