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Recent content by Tatonka

  1. Tatonka

    misunderstood valve specifications.

    the company i work for does contract engineering work through GSA...we don't supply parts, so we don't have a contracting officer...i'll try to find one, though...
  2. Tatonka

    misunderstood valve specifications.

    The only way I can access the spec is through the "Viewer" program on an Army terminal. It has images of each page and you have to print them individually...great use of time, eh? our tax dollars hard at work...
  3. Tatonka

    misunderstood valve specifications.

    sorry it took me so long to get back to you...spec number is 10237-3102 for part 12283102 - Servomechanism, Elevation.
  4. Tatonka

    misunderstood valve specifications.

    sorry it took me so long to get back to you...spec number is 10237-3102 for part 12283102 - Servomechanism, Elevation.
  5. Tatonka

    misunderstood valve specifications.

    sorry...didn't preview... lbf psi = ---- in^2 lbf 1 lbf psi/in^3 = ---- x ---- = ---- in^2 in^3 in^5
  6. Tatonka

    misunderstood valve specifications.

    I tried working out the units, but it looks like this, doesn't it? lbf psi = ---- in^2 lbf 1 lbf psi/in^3 = ---- x ---- = ---- in^2 in^3 in^5 Is this a specification on the elasticity of the system (tubing, etc)? If you add a cubic inch of...
  7. Tatonka

    misunderstood valve specifications.

    I just got home (1/2 day today, wooohooo!) so I don't have the spec number on me...it's for the Elevation Servo Mechanism for the M1A1 tank. I'll get the spec number up here on Thursday...
  8. Tatonka

    misunderstood valve specifications.

    I'm examining a military specification for a servo valve assembly and there are a few requirements/specifications that don't make a whole lot of sense to me... The spec states that the "valve bias pressure at hydraulic null shall be 5 to 50% of supply pressure." The valve is a...
  9. Tatonka

    misunderstood valve specifications.

    I'm examining a military specification for a servo valve assembly and there are a few requirements/specifications that don't make a whole lot of sense to me... The spec states that the "valve bias pressure at hydraulic null shall be 5 to 50% of supply pressure." The valve is a...
  10. Tatonka

    misunderstood valve specifications.

    I'm examining a military specification for a servo valve assembly and there are a few requirements/specifications that don't make a whole lot of sense to me... The spec states that the "valve bias pressure at hydraulic null shall be 5 to 50% of supply pressure." The valve is a...
  11. Tatonka

    misunderstood valve specifications.

    I'm examining a military specification for a servo valve assembly and there are a few requirements/specifications that don't make a whole lot of sense to me... The spec states that the "valve bias pressure at hydraulic null shall be 5 to 50% of supply pressure." The valve is a...
  12. Tatonka

    misunderstood valve specifications.

    I'm examining a military specification for a servo valve assembly and there are a few requirements/specifications that don't make a whole lot of sense to me... The spec states that the "valve bias pressure at hydraulic null shall be 5 to 50% of supply pressure." The valve is a...
  13. Tatonka

    fatigue in aluminum jig plate weldment

    1. The material is 6061-T6. 2. There can be post weld HT, we're still in the design stages, so this is entirely possible...we may need to do post weld HT to normalize the mat'l properties back to the -T6 condition, right? 3. Same deal...there can be other post weld operations performed as...
  14. Tatonka

    fatigue in aluminum jig plate weldment

    what methods/design intent can be used to minimized fatigue with aluminum weldments? i'm working on a weldment with several jig plate gussets that are essentially cantilevered to a vertical plate. the gussets have moderate static loading, but have rather high dynamic loads (they're supporting...
  15. Tatonka

    weld between components

    I think you'll have a hard time getting accurate displacement results with any method.

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