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#11
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"Jim Phoenix" wrote in message om... If you need to only replace the wheels, like Bill said, they appear to be very similar to hockey pucks and legend has it, that's what they were. Certainly don't need an STC, if it were even classified as a major alteraiton, your local IA can handle that process, but that seems a bit excessive for tip wheels. Jim Shop trick: If you need to drill holes in a bunch of hockey pucks, freeze them in liquid nitrogen. Once frozen, they drill just like aluminum. (LN2 is very cheap from industrial gas suppliers. They'll rent you a small dewar to transport it with.) (If you fly a Schweizer, you'll NEED a bunch of hockey pucks with holes in them.) Bill Daniels |
#12
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Good trick Bill,
Those dewars are also handy for installing press-fit bushings. Just don't drop the hockey puck in its frozen state! Jim "Bill Daniels" wrote in message ... "Jim Phoenix" wrote in message om... If you need to only replace the wheels, like Bill said, they appear to be very similar to hockey pucks and legend has it, that's what they were. Certainly don't need an STC, if it were even classified as a major alteraiton, your local IA can handle that process, but that seems a bit excessive for tip wheels. Jim Shop trick: If you need to drill holes in a bunch of hockey pucks, freeze them in liquid nitrogen. Once frozen, they drill just like aluminum. (LN2 is very cheap from industrial gas suppliers. They'll rent you a small dewar to transport it with.) (If you fly a Schweizer, you'll NEED a bunch of hockey pucks with holes in them.) Bill Daniels |
#13
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"Tim Ward" wrote in message ... snip Take a look at: http://www1.faa.gov/avr/afs/news/arc...gust/IvsWe.htm and see if you can get any of those ideas to work for you. Tim Ward Great article Tim... Looks like that pretty well answered my questions, and it even had references! After reading that, it sounds like that the owner of the glider can have the part made under the glider owners supervision, and I , as an A&P, can install the part with just a logbook entry. Thanks a million! You guys are great! Chuck --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.576 / Virus Database: 365 - Release Date: 1/30/04 |
#14
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Uh, I think that if you build the part yourself, you must have an original
to use as a pattern or the engineering plans from the type certificate holder so that you are making an EXACT copy of the "certified" part using the EXACT materials used to make the certified part. If all of that is done, I believe a log book entry is sufficient -- Scott http://corbenflyer.tripod.com/ Building RV-4 Gotta Fly or Gonna Die "Chuck" wrote in message ink.net... "Tim Ward" wrote in message ... snip Take a look at: http://www1.faa.gov/avr/afs/news/arc...gust/IvsWe.htm and see if you can get any of those ideas to work for you. Tim Ward Great article Tim... Looks like that pretty well answered my questions, and it even had references! After reading that, it sounds like that the owner of the glider can have the part made under the glider owners supervision, and I , as an A&P, can install the part with just a logbook entry. Thanks a million! You guys are great! Chuck --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.576 / Virus Database: 365 - Release Date: 1/30/04 |
#15
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"Bob Kuykendall" In general: The majority of gliders operate under the same FARs as small airplanes. The way I understand it, an STC and/or 337 paperwork is only required if the glider holds type certification and a standard airworthiness certificate, and then only if it is determined that the addition constitutes a major modification. If the glider holds Experimental certification (either Racing, Exhibition, or Amateur-Built) and a Special Airworthiness Certificate, probably all that is required is a logbook entry by the installer. For Experimentals, the operating limitations that accompany the airworthiness certificate will probably have specific instructions about modifications. Thanks, and best regards to all Bob K. http://www.hpaircraft.com DING!!!! We have a winner. An STC is not required. An STC is a device that allows for repeated installations of a pre-engineered assembly on multiple aircraft. There is linkage with an STC and a PMA holder for the manufacture of the components. A form 337 will be required and an associated field approval noted in the logbook. This is because the scope of the work will exceed AC43's descriptions of repairs. Since it isn't outlined in AC43, the feds make the assumption that it will be a major modification. The logic being that it isn't defined as a Major Repair or Alteration or allowable as a minor repair. That leaves a 337 as the regulators way out. The good news is that you can do it on the cheap with skate wheels that work really well and the paperwork isn't that involved. I also think you might need to brush up on the regs if you hang your shingle out and work in the real world. All the doc's are online and the AD notes are on CD and the omnthly updates are reasonable (and mandatory if your an IA). Bob is correct about logbook entrys being needed for Experimental AC but in actual practice this seldom occurs as the config of the a/p usually isn't clearly defined when the CofA is issued...... Food for thought Scott.. |
#16
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I believe a DAR can look at the parts and certify them for use.
we had to do that with the top fiberglass cover for the rudder on our glider BT "Chuck" wrote in message link.net... But my question is, if we want to make our own instead of buying them, do we need to get an STC? "Jim Phoenix" wrote in message om... "Chuck" wrote in message thlink.net... Sorry, it is a Schweizer 1 36, which I assume would have a standard certificate. He hasn't flown it yet, so he isn't dragging...yet... It appears the 1-36 has wing tip wheel assemblies that are approved as part of its type design. (Ref. photo page 201 in the book Sailplanes by Schweizer) I'm sure they are expensive if bought from Schweizer. They have Standard Airworthiness Certificates. Jim --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.576 / Virus Database: 365 - Release Date: 1/30/04 |
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