Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: brin
  • Order by date
  1. brin

    definition of alternate part reference

    Thanks CheckerHater, I've started with a fresh (2017) copy of ASME Y14.100 for a standard definition of alternate part (interchangeable item). Our copy of ASME Y14.35 is pretty old and doesn't show any standard notes for alternate parts, but I will look at getting the newer copy. Thanks for...
  2. brin

    definition of alternate part reference

    Is there a standard or specification that provides definitions for: -superseded, supersedes -replaces -alternate -alternate, one way forward I have a couple of company-specific definitions but would like to find something standard to use. thanks
  3. brin

    Anyone have a copy of the vintage chance vought aircraft structural design manual?

    thanks LiftDivergence
  4. brin

    magnetic permeability of fasteners around magnetic flux valve

    This has been observed on one location where a steel screw was found installed instead of CRES. As mentioned, this can be very difficult to prevent because the CRES and alloy steel screws look alike after paint has been applied, etc.
  5. brin

    magnetic permeability of fasteners around magnetic flux valve

    Thanks DER8110 and SparWeb. We will probably do a bench test to better evaluate the options.
  6. brin

    magnetic permeability of fasteners around magnetic flux valve

    Does anyone know of a reliable guideline for selecting fasteners around a magnetic flux valve based on magnetic permeability? The original fasteners that attach an access cover were bronze per AN509 but these are no longer available. MS24694 CRES screws have a magnetic permeability of 2.0, but...
  7. brin

    magnetic permeability 2.0

    Thanks MagMike, MagBen, and EdStainless. This helps considerably.
  8. brin

    magnetic permeability 2.0

    Is there a reference that defines a category for a magnetic permeability of 2.0? I understand the comparison to air=1.0, but it would be helpful if this could be described as "nonmagnetic". eg: for review of CRES fasteners (MS24694C) to install near to a magnetic flux valve. Thanks for...
  9. brin

    replacement of aluminum hydraulic lines with CRES

    Thanks for the information wktaylor and tbuelna. I'm still in deep thought about mixing steel and aluminum fittings, the effect of assembly torques, etc. I appreciate your help on this.
  10. brin

    british aircraft rivets from 1940s

    that would be important. Will get back on this.
  11. brin

    replacement of aluminum hydraulic lines with CRES

    yes, from a material change standpoint this can get complicated depending on the environment (vibration, chemical exposure, temperature, etc.). I have a NAVAIR 01-1A-20 document that suggests this is a common practice. But I would like to see if any other operators or manufactures allow the...
  12. brin

    british aircraft rivets from 1940s

    RPstress- good call, I did look at that but WW2 Britain was still imperial measurement until sometime in the 1970's.
  13. brin

    replacement of aluminum hydraulic lines with CRES

    Has anyone run across an aircraft manual that permits replacement of aluminum 6061-T6 hydraulic lines (pressure) with CRES? Also- would they still use aluminum or steel nuts (eg: AN818-6D)?
  14. brin

    british aircraft rivets from 1940s

    My apologies on dropping this thread short. I'm still trying to understand the British AP and AVP system, but AVP 970 contained materials strength information similar to ANC-5. It was somewhat of a living document with sections that were inserted or removed with revisions. We managed to...
  15. brin

    british aircraft rivets from 1940s

    thanks for your replies. This is a work in progress and things evolve as we dig up more (old) information. This is for wing skin attachments on an old WW2 era British fighter (Tempest). Looks like we have what we needed now however. Will carry on to the next item.
  16. brin

    british aircraft rivets from 1940s

    does anyone have a good reference on rivet types and installation for old British rivets (eg: AS156, AS161, etc.)? I have the rivet standards but they are somewhat lacking. Same goes for the SRM. In particular anything that describes the process for normalizing rivets (eg: L37 material)...
  17. brin

    British Alloy L40 from 1940s

    Thanks for the information Wil. Is that the specification handbook by R. Ross? I was contemplating buying it for this project (Tempest II restoration). Any more recommendations on design information on older British (eg: Hawker) aircraft? I have some information from AVP 970. I did have a...
  18. brin

    British Alloy L40 from 1940s

    Does anyone have a link to old (1940s) British alloy design information? I'm looking for L40 alloy specifically. I believe it crosses up to British Standard L168 (similar to 2014-T6), but would like to get the original mechanical properties if possible. thanks
  19. brin

    aluminum foil embedded in thermal insulation blanket

    interesting article. It makes the statement about "MLI being arbitrarily close to each other as long as they are not in thermal contact". Therein lies the crux of my problem- would a .0068 inch layer of 7628 glass cloth be considered sufficient to prevent thermal contact? I appologies for...
  20. brin

    aluminum foil embedded in thermal insulation blanket

    Thanks IRstuff & racookpe1978. I understand the point about coupling the radiant barrier to the hot surface. This has been a point to ponder because it seems that the foil would simply conduct heat direct from the duct surface without acting as a radiant barrier. I'll keep digging thru my...

Part and Inventory Search

Back
Top