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Hot Topic (More than 10 Replies) Engines that I have built (Read 5823 times)
John M Oshust
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Re: Engines that I have built
Reply #11 - Feb 7th, 2017 at 5:14pm
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My lastest radial. The number five cylinder has an oil leak
  

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Sky9pilot
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Stick & Tissue

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Location: Kelso, WA 98626 USA
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Re: Engines that I have built
Reply #10 - Apr 18th, 2014 at 10:38pm
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Thanks JohnO for posting these engines.  Great stuff and very informative, and very inspirational.  Amazing detail that makes a model come alive!!!

Well done!
Tom
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #9 - Apr 5th, 2014 at 3:12pm
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Color separated the piping systems.  Almost ready for an install. Engine installed and prop fabricated...props are another thread for the future.  If this thread is helpful I shall continue.
  

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #8 - Apr 5th, 2014 at 3:04pm
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A coat of primer and things start looking good. The exhaust manifold appears. Some color and TLC .
  

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Engine_10_003.jpg

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #7 - Apr 5th, 2014 at 2:56pm
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I shall attempt to present a sequence to a radial engine build.
The cylinders, in this case a PVC fitting.  At $1.50 each or so a nine cylinder engine gets pricy. Find suitable material for a crankcase and lay the cylinders placement out. Arrange the cylinders as exact as possible. Balsa valve covers and Al tubing push rods. Flex straw intake manifolds.
  

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Sky9pilot
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Re: Engines that I have built
Reply #6 - Apr 4th, 2014 at 5:54pm
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WoW....JohnO,

Great collections of engines....thanks for sharing them with us.  Please continue to give pointers as you post more pictures... I need something like the Sopwith for my Nieuport.
Tom
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #5 - Apr 4th, 2014 at 2:30pm
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My third model was one of a Ford Trimotor.  Here the production line approach was helpful in fabricating 3 radial engines. If you all do not mind I will continue posting engine photos when I have extra time.  Ta ta!
  

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #4 - Apr 4th, 2014 at 2:26pm
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Whether the engine has 5, 9, or twelve cylinders, I have learned to start by making a prototype cylinder.  Once that is decided upon you start a production line to fabricate the required parts.  Clear reference diagrams and photos are the  key to abstract engine construction.  I use the term abstract because I have no desire to replicate the engines exactly.  I wish to represent their mechanical complexity without machining exact miniature engine duplicates.
  

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Stear_3.jpg

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #3 - Apr 4th, 2014 at 2:20pm
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I have really grown found of WW1 aircraft so I guess most of my future wok will involve rotary and inline engine construction.  The design and fabrication of abstracts of power plants of this type does get easier the more you attempt it.
  

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #2 - Apr 4th, 2014 at 2:16pm
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I really prefer making radial of rotary engines.  Though I have tried my hand at inline and V variants.
  

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Re: Engines that I have built
Reply #1 - Apr 4th, 2014 at 2:14pm
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My first engines were quite heavy and contained a lot of metal parts.  At first I adapted hardware store items to fabricate engine parts.  Over the years I have "lighted up" a great deal and hand make most parts.
  

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John M Oshust
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I love aero planes...my
wife calls me a wingnut!

Posts: 1293
Location: Cranford, NJ
Joined: Oct 17th, 2011
Engines that I have built
Apr 4th, 2014 at 2:11pm
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I hope that you will not mind if I collect and post a few pictures of various scratch build engines that I have constructed since starting this hobby. Starting with my fist build a Guillows camel
  

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Spirit_1.jpg
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Spirit_2.jpg

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