Patrick Lee Martin
  • Male
  • Pelican Rapids, MN
  • United States
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Patrick Lee Martin's Friends

  • Craig Van Sickle
  • garrett speeter
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  • Lawrence Bird
  • Loren Warner
  • Greg Duncan
  • Jonathan Kreilich
  • John M Greiner
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  • Christopher Braun
  • Vance Simons
  • James R. Driscoll

Patrick Lee Martin's Page

Profile Information

Aircraft Model
Project Status
Nearly done
Building From
Engine installed (or plan to install)
Building Experience
Have worked on airplanes before
Flying Experience
Private Pilot
Home Airport (ie. KMYJ)

Comment Wall (8 comments)

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At 12:26pm on May 2, 2020, Glen Abrahamson said…

Hi Pat,

Been a long week, now its time to work on the plane.  I am starting to think about the Viking engine it  is starting to look like an option.  Lots of questions going thru my mind.  That's the problem with being an engineer! 

Bummed that the show has been canceled.  But I will still probably make a bunch of trips out there as I volunteer at south maintenance and there are things that will need being done show or no show.  Grass keeps on growing, I supervise the weekend work parties for mowing grass.  I'm the guy who is looking at how the grass is holding up during the show.

But back to the plane I am stuck on the landing gear.  It sounds like the Viking uses a little bigger prop.   I want somewhat bigger tires.  Lots to think about'

When would be a good time to take a look at your plane and see how you did things?



At 10:37am on October 2, 2019, Kay C. Caldwell said…

Sorry forgot to list my e mail

this will be much faster to get ahold of me, I don’t get on zenithaero as much now I have completed myCh640.

Thanks again

Kay C

At 10:34am on October 2, 2019, Kay C. Caldwell said…

Hi Patrick, my name is Kay C. (K.C.) and I did my first flight of a plans built CH 640 back in January of 2018.  I’m kinda getting the itch to build again and I like the Zenith’s way of building affordable safe aircraft.  The reason I’m writing is I saw your pic of your 750 in a tailwheel configuration!?  I would really like to pick your brain on this configuration.  What modifications were needed etc.  I called the factory about doing this a while back but they were somewhat discouraging...which I understand but I still would like to talk with someone who has done it.  

Thanks for your time.

Kay C. 

At 12:11pm on May 6, 2014, Christopher Braun said…

Nope. Sold all of my corvair stuff. Sorry. 

At 5:31pm on January 26, 2014, Mark Warner said…

Pat my understanding from Vance Simmons you are installing a corvair in your project. I myself am installing a corvair in my 750. My I pick you brain once in awhile? 

Mark in Ohio

At 4:06pm on March 9, 2013, James R. Driscoll said…
Pat my 701 was used as a test end for the Corvair engine. I was not involved with the testing and have very few details on it. Once 40 hours of testing I replaced the Corvair with a Rotax ULS 100 HP new engine.

The Corvair, from what I heard was to heavy and even with the battery on the rear of the aircraft it flew nose heavy. With the Rotax it jumps off the ground and though I am new to flying, before I read about how impossible it is to land with flaps completed half of my first 50 landings with full flaps. Apparently, I was to green to know that this was supposed to be very difficult. My instructor also didn't know either, so half our landings were full flap and my take-offs equaled my landings. . . which is always a good thing.
At 10:47pm on January 8, 2013, Russell Calhoun said…

I'm away from home for the week, but will send the w&b when I get home.

At 4:33pm on December 15, 2012, Bill Bear said…

HI Patrick,

I understand you are modifying a 750 kit into a tail dragger.  Do you have any pix of the conversion yet?

Bill Bear


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