Porterfield Airplane Club

Keep the Skinny Birds Flying Safely

Mark Shayne
  • Male
  • Arlington, WA
  • United States

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Mark Shayne's Discussions

Trim “jack screw” lube
2 Replies

Any advice for lubricating the  threaded portion of the trim adjustment under the pilots seat?  My A&P suggested silicone spray lube as it is dry and wouldn’t attract any contaminants like LPS3…Continue

Started this discussion. Last reply by Mark Shayne Apr 3.

Pitch Trim Placard
5 Replies

Hello, Does anyone know where I might acquire an additional trim placard like the one in my attached photo? Or maybe something similar that would be appropriate for the Collegiate’s trim set…Continue

Started this discussion. Last reply by Mark Shayne Jan 11.

Altimiter
1 Reply

Does anyone know what the proper altimeter might be for a 1940 Collegiate? Ours is odd in that there is no pressure window to set for the current baro pressure. One sets the faceplate to align with…Continue

Started this discussion. Last reply by Andy Gelston Sep 22, 2023.

NC27249 Gracing The Sky Again!
2 Replies

I’m happy to say that after over two years, 249er is back in the air. During a very local flight back in April of 2021, I experienced a BIG drop in oil pressure on my A65 (40 psi to 8 psi). After an…Continue

Started this discussion. Last reply by Mark Shayne Sep 18, 2023.

 

Mark Shayne's Page

Latest Activity

Mark Shayne replied to Mark Shayne's discussion Trim “jack screw” lube
"Thanks Andy. "
Apr 3
Andy Gelston replied to Mark Shayne's discussion Trim “jack screw” lube
"I always used grease, but the silicone should work, provided all the existing lube has been washed off. Esso put out a lube chart for the Collegiate. I'll have to look through my files for it and scan it to post here."
Apr 3
Mark Shayne posted a discussion

Trim “jack screw” lube

Any advice for lubricating the  threaded portion of the trim adjustment under the pilots seat?  My A&P suggested silicone spray lube as it is dry and wouldn’t attract any contaminants like LPS3 might. The mechanism works fine dry, but I’d sure like to help it out so it will last longer. See More
Apr 3
Mark Shayne replied to Mark Shayne's discussion Pitch Trim Placard
"Jerry Turner could be a good source for placards for someone finishing a restoration. I was able to find someone to make an additional trim placard to add to the rear of the pilot seat for the passenger. "
Jan 11
Andy Gelston replied to Mark Shayne's discussion Pitch Trim Placard
"I contacted Jerry Turner about reproducing the placards on the drawing (see IMG_6071.jpeg, above) and he replied: "I can make the 8 plate set of Porterfield Aircraft Placards for a total of $1,480.00 which will include insured shipping. We…"
Jan 10
Andy Gelston replied to Mark Shayne's discussion Pitch Trim Placard
"Oh cool! I haven't seen this drawing before. I'll send it Jerry at Nostalgic Reflections to get a price quote from him to make up a set. He uses screen printing that looks great. Thank you, Mark! The rear stick can rub the front seatback,…"
Jan 9
Mark Shayne updated their profile
Dec 29, 2023
Mark Shayne replied to Mark Shayne's discussion Pitch Trim Placard
Dec 17, 2023
Andy Gelston replied to Mark Shayne's discussion Pitch Trim Placard
"I've never seen placards for the trim, Mark. Where are you thinking of placing it? On the seatback in the rear? Jerry at Nostalgic Reflections makes replacement Porterfield data plates (https://www.nostalgicreflections.com/index.html), he could…"
Dec 16, 2023
Mark Shayne posted a discussion

Pitch Trim Placard

Hello, Does anyone know where I might acquire an additional trim placard like the one in my attached photo? Or maybe something similar that would be appropriate for the Collegiate’s trim set up. Thank you, Mark NC27249See More
Dec 16, 2023
Andy Gelston replied to Mark Shayne's discussion Altimiter
"Oh Mark, welcome to our wondrous world of flying visually, low and slow by the seat of your pants! Our altimeters aren't odd, they're just old. The proper altimeter has the adjustment knob at the six o'clock position, and like yours,…"
Sep 22, 2023
Mark Shayne posted a discussion

Altimiter

Does anyone know what the proper altimeter might be for a 1940 Collegiate? Ours is odd in that there is no pressure window to set for the current baro pressure. One sets the faceplate to align with the needle for the known field elevation before take off. Not a lot of help if one is flying to a higher or lower pressure area. See attached photo which was taken in flight at 2,500 asl.Thanks! MarkSee More
Sep 22, 2023
Mark Shayne replied to Mark Shayne's discussion NC27249 Gracing The Sky Again!
"Here’s a couple of photos of the engine. "
Sep 18, 2023
Andy Gelston replied to Mark Shayne's discussion NC27249 Gracing The Sky Again!
"Gadzooks! That's a lot of metal in your screen! Thank you for sharing your story with us, Mark, and for keeping your skinny bird flying, safely. With the fresh engine and a 44 pitch, your climb performance should be about the same and your top…"
Sep 17, 2023
Mark Shayne posted a discussion

NC27249 Gracing The Sky Again!

I’m happy to say that after over two years, 249er is back in the air. During a very local flight back in April of 2021, I experienced a BIG drop in oil pressure on my A65 (40 psi to 8 psi). After an expedited landing, I drained the oil through a T shirt rag and what remained in the rag reminded me of that metal looking spray paint I used to use on car models as a kid. I thought for sure I’d spun a bearing. We were always a bit leery of that engine, so decided to bite the bullet and have it…See More
Sep 17, 2023
Trevor Burns replied to Mark Shayne's discussion Propeller for CP 65
"Yes for metal props the TCDS gives only a couple options but with wood or adjustable hubs by my interpretation you have a very wide scope of options as long as it meets the length and static RPM requirements. We put the current prop on as a test…"
Jun 30, 2023

Profile Information

About Me:
My wife and I are the proud owners and caretakers NC27249, #738, a 1940 LP65 (with a Continental 65). This airplane was purchased new by my wife’s grandfather who owned it until about the time the war started. My wife’s father was able to reacquire it in the early 90s in need of restoration. It sat for many years, and was finally restored to pristine conditions in 2015. It’s so cool that my wife and I both get to fly her grandfathers airplane.
Do you own a Porterfield Airplane? N#?
Yes
Are You a Pilot? Ratings?
Yes
Do you have a MYSPACE profile, email address or personal website that you would like to share with others?
http://No

Mark Shayne's Photos

Mark Shayne's Blog

LP 65 hub caps

Hello, I've heard that L5 Hub caps will work on the Porterfield. Anybody have any ideas of others that might? I think they would look sharp on our old girl. Thanks Mark NC27249

Posted on July 24, 2017 at 1:42pm — 1 Comment

Landing Gear Rubber

I recently replaced the landing gear rubber on our 1940 LP65. The old ones were cracked and sagging and in dire need of replacement. I talked with Leroy Blum about this via the telephone, and he was very informative. I acquired the rubber stock from L.A. Rubber at a reasonable cost. On this website, I found a link to a photo of the original blueprint showing the proper dimensions (diameter, square hole size, and radius of corners) Near our airport, Arlington Municipal (AWO), I found an… Continue

Posted on October 12, 2015 at 10:22pm — 1 Comment

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At 10:44am on July 11, 2015, Mark Shayne said…
By the way ours is an LP65, NC27249
 
 
 

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