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  • Users: kl7sg
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  1. kl7sg

    Load Factors for Design of a Trailer Frame

    321GO, It is just a guess based on the aviation forward crash load factor of 9g + 1 for luck.
  2. kl7sg

    Load Factors for Design of a Trailer Frame

    I ended up using a 10g vertical load factor (the acceleration from what I assumed would be a really bad bump in the road). The load distribution was easy to calculate. This load factor resulted in elastic deformation only. I was just curious if there were any published standards regarding...
  3. kl7sg

    Load Factors for Design of a Trailer Frame

    Does anyone have an idea about what would be a suitable vertical load factor for the design of a trailer? Thanks in advance
  4. kl7sg

    brake booster and master cylinder adjustment

    You are bringing back old memories. Yes, there should be a small amount of clearance between the brake rod and the master cylinder piston. This will insure that the piston in the master cylinder will allow the fluid to return to the reservoir. You can check by looking in the reservoir when...
  5. kl7sg

    attitude indicator and centrifugal force

    Depending on the construction of the attitude indicator, the gyro is effected by external forces such as gravity and lateral accelerations that may be felt during a non-coordinated turn. The older gyros were mechanicaly aligned with the earth by a system of rotating balls. Thus, if you were in...
  6. kl7sg

    MS20470AD6 - Allowables

    The shear strength for the MS20470AD rivet is available in MIL- HDBK-5 available at the DOD website. This publication has been superceeded by the MMPDS. Anyway, the values in handbook 5 should still be close. Cheers
  7. kl7sg

    Installation Certification by AD

    ... LOL ... You are probably right on the money.... The only flaw I can see is that the company (Peckerwood) who wants to buy the Navmaster upgrade doesn't have an aircraft model listed in the AD. As such, they can't request an AMOC because the AD doesn't apply to the aircraft in question...
  8. kl7sg

    Installation Certification by AD

    Interesting perspective. But, the only acceptable methods for producing parts to be installed on a type certificated product are as follows: First, it can be an owner produced part (but not sold over the counter). For this, you won't need to produce the part under an FAA approved quality...
  9. kl7sg

    Installation Certification by AD

    thruthefence, you are correct. The OEM isn't always the STC holder. Where I said "they" I should have said the STC holder. I am assuming when you say ICAW, you mean instructions for continued airworthiness (ICA). See FAA Order 8110.54 for further clarification. Regarding installation...
  10. kl7sg

    Installation Certification by AD

    If your make, model and aircraft serial number is not listed in the AD, then the new part number is not normally eligible for installation. Now, if the OEM feels the new part number is ok for installation on your aircraft, they can make it eligible for installation through the minor change...
  11. kl7sg

    Systems Safety Assesment Training

    There are several courses that can be taken. Last time I checked, the University of Nebraska in Lincoln has a 23/25.1309 course.
  12. kl7sg

    DER Application

    The cover letter should be kept very simple. Explain what you are looking for and include a list of the enclosures. Keep it short usually about one page long. Good luck
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