Search results for query: *

MintJulep, That steelnumber website was what I was looking for, but it seems kind of broken. If I put in 85% Iron and 12% Chromium it comes back with no hits. I could put one variable in at a time and get a hit. Maybe I don't know how to use this query function right. Dgeesaman, That's...

Howdy all, Is there a website or database where I can punch in the results from a material analysis (metallurgy report) and get material candidates that match that chemistry? Matweb has something kind of like this, but you need to put in a range but I want to go the other way and put in a value...

MNLiaison, Thank you! That is exactly what I was looking for. That's a great discussion of why the wording is as it is and suggestions for clarifying. -Kirby Kirby Wilkerson Remember, first define the problem, then solve it.

Howdy all, So I've been wondering about this for years and have no good understanding. One of the determinations for major minor is: IF INPROPERLY DONE, WOULD THIS ACTION APPECIABLY AFFECT AIRWORTHINESS? I just don't get this question. If improperly done...anything could fall under this...

Gilligan's Space Station..... Lol Kirby Wilkerson Remember, first define the problem, then solve it.

The motivation is repairing damaged beaded flanges on existing heat exchangers. We may just need to do the rolling ourselves. The ATS145 from aircraft supply looks too small, one of the flanges is 6.5". But that K2 tool might fit the bill, I guess i was avoiding the cost of the tool and time...

Howdy all, I feel like this should be an off the shelf component. But I can't find a source. I want the rolled beaded flanges per AS5131. The standard has sizes per a table. I just keep coming up with places to buy the beading rollers. Is there no shop that just cranks out the tube ends so we...

This turned into a great discussion. Thanks everyone for responding. I agree having a drawing/model for quality to inspect to would be an important piece of the puzzle. For this application I'm not concerned with remodeling for CNC since this is going to be 3D printed, the model really is...

I like the idea of stating the model is basic and providing a profile tolerance. Since this is 3D printed, that really is the controlling reference. I was avoiding the Digital Product Definition Data Practices since that is more focused on getting away from paper drawings and this is more using...

Howdy all, What's some good wording to put in the notes of a drawing to state that the fabrication is controlled by the model so drawing details are incomplete. My thoughts are: "Fabrication of part is controlled by model geometry contained in file "PARTXXXX.STL" derived from 3D CAD model...

Without even knowing what software you are using it would be hard to help. I would suggest going to a forum for that specific piece of software. There are a few here on ENG-TIPS in the engineering computer programs for the most commonly used applications. I suggest more detail about the type of...

Howdy all, So I've been unsure of this for a while, but testing heat exchangers for leakage or pressure drop we regularly measure air flow, record it in units of mass flow, and then do a correction based on temperature and pressure. I think this makes sense if the measuring device is recording...

I think this has the economic benefit that rb1957 suggests, and a legal benefit that if there is a problem, something that could turn into an AD, it limits the scope of the AD. I also think the OEM may have different cable lengths and all the PMA options probably have enough extra to trim as...

Howdy all, I was looking for a set of switches, 813387-3/-4/-5 and they each have a long list of PMA parts. Removing duplicates there are 23 separate PMA parts that are common to all three of these parts. These 23 PMA parts are approved as alternates for multiple OEM parts. In fact there are 25...

Howdy all, I'm reviewing a test plan to replace a P-seal on an aluminum air-oil heat exchanger. It's calling for a 2000 deg flame for 5 minutes to show fire resistance. I don't think a fluorosilicone/glass fiber P-seal would survive 5 minutes at 2000 degrees and I wanted a sanity check to see...

Two great suggestions. and both open source. I think I'll work with Diagrams.net first since I don't need simulation, but I'm going to check out Hopsan also. Simulation may be just what I need. Thanks all, -Kiryb Kirby Wilkerson Remember, first define the problem, then solve it.

Howdy all, I'm looking for a method for creating pneumatic/hydraulic schematics to document some existing equipment. I could get the full version of Visio, or I was also looking at Libreoffice draw, which I found a few symbol libraries, but a bit sparse. What are the other common tools for...

Thanks for the sketch moa1. Someone found a mating part that was used for testing on a different stand and it looks like half a V-band clamp that presses against the face with a couple of blocks that clamp around giving a tight fit in the larger slot. See the pictures. This seems like a much...

LittleInch, There are two grooves that you can see in both pictures. The third groove-like feature is just the machined stub of the fitting which in the second picture is mostly covered by weld bead. WindWright, This is the part we have in and what we're looking at is the opening where it...

After fiddling with my parts I came up with a small modification to my design that made it workable. I originally was just going to use these bent clips to hold it in place, but after the machinist gave me the parts (and before I gave it to the tech to use) I tried installing it and there just...