24 Apr 2024, 07:01 [ UTC - 5; DST ]
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Post subject: Re: You say you want an Evolution ... Posted: 14 Nov 2017, 09:51 |
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Joined: 09/13/13 Posts: 351 Post Likes: +209
Aircraft: M20R
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We saw a mechanic remove and then reinstall the wire in a piano hinhe by attaching one end in a drill and then spinning it during the insertion or removal process. I think it was on a Columbia model.
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Post subject: Re: You say you want an Evolution ... Posted: 14 Nov 2017, 10:16 |
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Joined: 05/05/09 Posts: 4966 Post Likes: +4797
Aircraft: G44, C501, C55, R66
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Username Protected wrote: We saw a mechanic remove and then reinstall the wire in a piano hinhe by attaching one end in a drill and then spinning it during the insertion or removal process. I think it was on a Columbia model. Yes, that works great for an infrequent removal such as a door or Baron side cowling but imagine all the wear of doing this on a regular basis. Aluminum chafing on aluminum = no bueno.
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Post subject: Re: You say you want an Evolution ... Posted: 14 Nov 2017, 13:27 |
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Joined: 09/19/10 Posts: 291 Post Likes: +128
Aircraft: TBM
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I had my cowl piano-hinged on my Lancair 360. It was smooth as butter from day one through year 15 when I sold it. Took about 60 seconds to remove and reinstall the cowl. The hinge-wire had threaded allen-key bolts brazed on onto the end of the wire. I used an allen key to twist the piano hinge out about 1/4" and then could pull it out with my fingers after that. Easy peasy and never got loose or sloppy.
Matt
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Post subject: Re: You say you want an Evolution ... Posted: 17 Nov 2017, 02:17 |
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Joined: 11/22/12 Posts: 2601 Post Likes: +2362 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: 1993 Bonanza A36TN
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Username Protected wrote: we got rid of the piano hinge...it's great on day 1, but by year 2- it's a sloppy frustrating mess The piano hinge is just for the lower cowl and with a PT6, after the initial test period I'm hoping to not remove it more than once or twice a year. We'll see.
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Post subject: Re: You say you want an Evolution ... Posted: 19 Nov 2017, 19:51 |
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Joined: 04/06/11 Posts: 7955 Post Likes: +3996
Aircraft: Warbirds
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Username Protected wrote: We saw a mechanic remove and then reinstall the wire in a piano hinhe by attaching one end in a drill and then spinning it during the insertion or removal process. I think it was on a Columbia model. Yes, that works great for an infrequent removal such as a door or Baron side cowling but imagine all the wear of doing this on a regular basis. Aluminum chafing on aluminum = no bueno. The wire on the piano hinges I dealt with were Stainless Steel. That includes the Aileron on a P-38. Was quite a pain to remove after sitting 35 years for the restoration back in the 80s. Installation was with a drill and lubricant. Wasn't that big of a deal.
_________________ Be careful what you ask for, your mechanic wants to sleep at night.
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Post subject: Re: You say you want an Evolution ... Posted: 20 Nov 2017, 02:00 |
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Joined: 11/22/12 Posts: 2601 Post Likes: +2362 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: 1993 Bonanza A36TN
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Behind the aft pressure bulkhead, looking up at the hole for the parachute (not my airplane). Attachment: IMG_20171106_154640789.jpg Lower left foreground with the clecos is where the parachute is mounted. Some Evos had parachutes put in by the build shops, with engineering approved by BRS, but the factory option is much stouter, they heavily reinforced the whole area. Side view of the piece cut out for the hole; the thin edge is about 30 layers of carbon, the thicker side is about 40. That's bank vault stuff. Attachment: IMG_20171106_114750662.jpg For comparison, the strongest parts of the pressure vessel are only 12 layers.
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Post subject: Re: You say you want an Evolution ... Posted: 09 Dec 2017, 02:01 |
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Joined: 11/22/12 Posts: 2601 Post Likes: +2362 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: 1993 Bonanza A36TN
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Panel showed up. Choices other than the standard panel dried up after the company's slimdown, we'll take what we can get and optimize it later. Attachment: IMG_1540.jpg Attachment: IMG_1541.jpg
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Post subject: Re: You say you want an Evolution ... Posted: 12 Jan 2018, 01:16 |
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Joined: 11/22/12 Posts: 2601 Post Likes: +2362 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: 1993 Bonanza A36TN
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Got together with the interior shop and roughed out ideas for designs, colors and materials for seats, headliner, carpeting etc. Attachment: IMG_20171215_115040730.jpg Also sealed the aux tank. Attachment: IMG_20171214_141837839.jpg I was surprised to learn that carbon fiber is a little porous so the cabin pressure vessel has to be coated as well. Attachment: IMG_20171214_141941522.jpg Bad news from Garmin was that in spite of promising for over a year that they would be extending the NXi hardware upgrade to the G900 line they decided to kill the G900 instead. Rather than be the last guy to buy 15 year old computers I switched to the G3X, which meant throwing away our already built panel and wiring harness and going to the back of the line for the G3X panel. At least it clears up a lot of avionics compatibility issues we'd been facing trying to mate new ADS-B stuff to the old G900 hardware, which stopped getting feature upgrades since they were all going to be rolled in with the big NXi upgrade "real soon now".
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Post subject: Re: You say you want an Evolution ... Posted: 13 Jan 2018, 20:22 |
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Joined: 05/05/09 Posts: 4966 Post Likes: +4797
Aircraft: G44, C501, C55, R66
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Username Protected wrote: Got together with the interior shop and roughed out ideas for designs, colors and materials for seats, headliner, carpeting etc. Attachment: IMG_20171215_115040730.jpg Also sealed the aux tank. Attachment: IMG_20171214_141837839.jpg I was surprised to learn that carbon fiber is a little porous so the cabin pressure vessel has to be coated as well. Attachment: IMG_20171214_141941522.jpg Bad news from Garmin was that in spite of promising for over a year that they would be extending the NXi hardware upgrade to the G900 line they decided to kill the G900 instead. Rather than be the last guy to buy 15 year old computers I switched to the G3X, which meant throwing away our already built panel and wiring harness and going to the back of the line for the G3X panel. At least it clears up a lot of avionics compatibility issues we'd been facing trying to mate new ADS-B stuff to the old G900 hardware, which stopped getting feature upgrades since they were all going to be rolled in with the big NXi upgrade "real soon now". I think you'll be very happy with the G3X despite this minor setback. Canceling the G900 is a predictable outcome. Sorry for the delay but it is a good thing for you.
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Post subject: Re: You say you want an Evolution ... Posted: 13 Jan 2018, 23:22 |
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Joined: 11/22/12 Posts: 2601 Post Likes: +2362 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: 1993 Bonanza A36TN
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Username Protected wrote: I think you'll be very happy with the G3X despite this minor setback. Sorry for the delay but it is a good thing for you. If I'd taken your advice a few months ago I would have saved a bunch of time and money. Ah well.
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Post subject: Re: You say you want an Evolution ... Posted: 14 Jan 2018, 18:35 |
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Joined: 01/30/09 Posts: 3354 Post Likes: +1963 Location: $ilicon Vall€y
Aircraft: Columbia 400
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Username Protected wrote: We saw a mechanic remove and then reinstall the wire in a piano hinhe by attaching one end in a drill and then spinning it during the insertion or removal process. I think it was on a Columbia model. I have the "hinge closure" on my Columbia 400. There's a long piano hinge running down each side of the cowling that joins the upper and lower halves. It isn't used as a hinge, just as a full length closure. Seems like over kill, but it is super strong no doubt. Using a drill is allowable, but not recommended unless it is really stuck. I just grab it with a pair of vice grips and pull it straight out. A few drops of motor oil on the wire makes it slide right in. I can usually get the wire back in nearly all the way by hand and push the last few inches with the vice grips. Also helps to replace the wire now and then.
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Post subject: Re: You say you want an Evolution ... Posted: 14 Jan 2018, 23:03 |
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Joined: 02/28/17 Posts: 1214 Post Likes: +1191 Location: Panama City, FL
Aircraft: Velocity XL-RG
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Username Protected wrote: We saw a mechanic remove and then reinstall the wire in a piano hinhe by attaching one end in a drill and then spinning it during the insertion or removal process. I think it was on a Columbia model. I have the "hinge closure" on my Columbia 400. There's a long piano hinge running down each side of the cowling that joins the upper and lower halves. It isn't used as a hinge, just as a full length closure. Seems like over kill, but it is super strong no doubt. Using a drill is allowable, but not recommended unless it is really stuck. I just grab it with a pair of vice grips and pull it straight out. A few drops of motor oil on the wire makes it slide right in. I can usually get the wire back in nearly all the way by hand and push the last few inches with the vice grips. Also helps to replace the wire now and then.
My canard cover is held in place with a piano hinge too. I bent the end into a "D" that is held in place with a tab. I just hook a finger into the D-ring to remove/insert.
Can't get to it with a drill anyway. If it's installed properly, you shouldn't need a drill.
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