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my new 7 radial engine

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my new 7 radial engine

Post  chris74100 on Sat Dec 13, 2014 8:12 am

This is my new radial 7 cylinders engine. 100cm3, 3.5 kg. 1 year of construction. It has not turned yet.











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Re: my new 7 radial engine

Post  Ken Cook on Sat Dec 13, 2014 8:16 am

A true work of art. Absolutely beautiful. Ken
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Re: my new 7 radial engine

Post  fit90 on Sat Dec 13, 2014 8:25 am

WOW! That is absolutely beautiful. If you decide to run it I hope it as good a runner as it is pretty.
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Re: my new 7 radial engine

Post  ian1954 on Sat Dec 13, 2014 8:53 am

That is certainly a work of art!

Is this your own design or built from plans? I think I year is quite quick for a build like this - a single cylinder engine is spread over months for me!

Setting this up for running - valves, timing and induction may require some patience but don't rush it!
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Re: my new 7 radial engine

Post  getback on Sat Dec 13, 2014 9:39 am

WOW is right , Beautiful !! Thanks for sharing Chris74100 Thumbs Up sunny
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Re: my new 7 radial engine

Post  RknRusty on Sat Dec 13, 2014 10:11 am

Chris, it's great to see you back. I was recently telling someone here about your earlier multi-Cox-cylinder project. I suppose one could say you are a masterful artist in the medium of physics. In other words, it's a beauty. Thanks for dropping in and showing us your work. Hope you're having good fun too.
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Re: my new 7 radial engine

Post  chris74100 on Sat Dec 13, 2014 10:24 am

ian1954 wrote:That is certainly a work of art!

Is this your own design or built from plans? I think I year is quite quick for a build like this - a single cylinder engine is spread over months for me!

Setting this up for running - valves, timing and induction may require some patience but don't rush it!

plans are not of me. Here is link : http://home.online.no/~wtrotsch/de_engine/index.html



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Re: my new 7 radial engine

Post  OVERLORD on Sat Dec 13, 2014 11:13 am

Very well done Chris. If SNECMA sees that, they will phone you right away!!!
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Re: my new 7 radial engine

Post  chris74100 on Sat Dec 13, 2014 1:07 pm

more pictures :
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Re: my new 7 radial engine

Post  chris74100 on Mon Mar 16, 2015 2:58 pm

first runing this saturday for my 7 radial engine.

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Re: my new 7 radial engine

Post  fredvon4 on Mon Mar 16, 2015 3:57 pm

One of my passions, Truly exceptional work

Sure wish I had taken the time to learn the fine art of running a lathe, mill, tooling and all the knowledge of metallurgy needed.

I always wanted to design and make my own bullet launcher, a miniaturization of the 7.62 XM 168 Minigun the Army taught me all about on Cobra AH1 helicopters. I personally designed several product improvements for it during the early 70s to make feeding and safeing more reliable. In fact they were the only Army Incentive program cash awards I ever received

Chris that there is a working piece of art...congrats, well done!
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Re: my new 7 radial engine

Post  Cribbs74 on Mon Mar 16, 2015 4:44 pm

Beautiful, absolutely beautiful.

The sound is excellent, as is the run quality. You really nailed it.
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Re: my new 7 radial engine

Post  roddie on Tue Mar 17, 2015 4:56 am

Truly marvelous Chris! Congratulations! I would love to see the control-panel! Are there 7 separate glow-drivers with continuity-confirmation on ea.? Are you using a fuel-pump/regulator? I'm just curious about your start-up procedure. I am in awe!!!!
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Re: my new 7 radial engine

Post  akjgardner on Tue Mar 17, 2015 5:11 am

Chris,This is truely AMAZING. Congratulations on a job very well done
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Re: my new 7 radial engine

Post  TDbandit on Tue Mar 17, 2015 8:11 am

Absolutely awesome Chris this engine is beautiful I've always have had a soft spot for the round engines (Nothing sounds like a radial especially like a single row). I love working on them every chance I get. My personal favorite is the old P&W R985 Wasp Jr. quite a few where I'm at with the crop dusters. Smile Cudo's man! Beer Cheers (Bandit)
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Re: my new 7 radial engine

Post  getback on Tue Mar 17, 2015 8:11 am

Congratulations Chris , The engine really sounds great !! Had the speakers cranked up ! You are truly Talented , Thanks for the show . Eric St.Pats Beers
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Re: my new 7 radial engine

Post  JasonB on Tue Mar 17, 2015 10:21 am

That is absolutely beautiful. I stand in awe.

I also accept donations of engines Smile

J
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Re: my new 7 radial engine

Post  chris74100 on Tue Mar 17, 2015 2:30 pm

roddie wrote:Truly marvelous Chris! Congratulations! I would love to see the control-panel! Are there 7 separate glow-drivers with continuity-confirmation on ea.? Are you using a fuel-pump/regulator? I'm just curious about your start-up procedure. I am in awe!!!!

Yes my power panel have 7 dc/dc converter with a led for continuity glow. I'm not fuel pump or regulator. The start up prcedure is very simply, just electric starter (starter home made with a car starter)
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Re: my new 7 radial engine

Post  roddie on Tue Mar 17, 2015 4:10 pm

chris74100 wrote:
roddie wrote:Truly marvelous Chris! Congratulations! I would love to see the control-panel! Are there 7 separate glow-drivers with continuity-confirmation on ea.? Are you using a fuel-pump/regulator? I'm just curious about your start-up procedure. I am in awe!!!!

Yes my power panel have 7 dc/dc converter with a led for continuity glow. I'm not fuel pump or regulator. The start up prcedure is very simply, just electric starter (starter home made with a car starter)

Thanks Chris, You're a very talented man!
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Re: my new 7 radial engine

Post  Tinker Terry on Sun Mar 29, 2015 7:08 pm

I can't get your bids to play here. What is your YouTube channel?
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Re: my new 7 radial engine

Post  dckrsn on Sun Mar 29, 2015 7:25 pm

Tinker Terry wrote:I can't get your bids to play here. What is your YouTube channel?
Here he is- https://www.youtube.com/user/harnais2/feed
Bob
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Re: my new 7 radial engine

Post  GallopingGhostler on Mon Mar 30, 2015 8:54 am

chris74100 wrote:This is my new radial 7 cylinders engine. 100cm3, 3.5 kg. 1 year of construction. It has not turned yet.

Congrats, nice, very nice workmanship indeed. Cool

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Re: my new 7 radial engine

Post  chris74100 on Mon Mar 30, 2015 9:25 am

Very thanks Beer Cheers
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