Need some help on an older DZ170 exhaust setup

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Old 04-16-2019, 04:23 PM
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slipkid
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Red face Need some help on an older DZ170 exhaust setup

Hi All
I have decided to refit my Black Magic 2M pattern ship with the original YS 170DZ and Hatori setup I got when I traded for the plane several years ago - I have been flying it with a 10s setup for several years and I decided I am going to go back to glow for some of my fleet. When I built the plane, I set it up such that I could swap out the power setup, but never kept the instructions on the Hatori pipe and header I have that was the cat's meow back in the 170DZ days ( circa 2006-2009) - I have the Hatori 821 pipe and the Hatori 822 rigid header. I have all of the components (except a rubber o-ring I believe, but just cant remember how to setup the pipe on the rear floating mount that comes with the Hatori 821 pipe setup - I have searched the internet extensively for a copy of any instructions and am running out of options to find it without help - Does anyone on this forum have images, or instructions for this Hatori pipe & header setup? - I would be most grateful. Also, I appreciate the fact that my electric setup has more power available and I am making a decision to bring some glow power back to my fleet - I miss the sound and smell after learning to fly in the 1990'a when glow was the only option - Any help here would be greatly appreciated

Joe
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Old 04-17-2019, 03:53 AM
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flywilly
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Scroll down a bit and there are two photos of the engine/exhaust set-up. It is a DZ 200, but should be about the same. I hope this helps. I'm finishing up a Black Magic VF3 right now.
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Old 04-17-2019, 10:33 PM
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Hello

With Nishioka system it's very easy to move pipe
Claude




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Old 04-18-2019, 06:30 AM
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slipkid
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Hello FlyWilly and Claude
Thank you for the images and commentary. - I have the original Hatori setup which I see is in the last image you show - This confirms how I thought it went together and is much appreciated. I have an older Hyde mount which does not have a nose ring, and I am hoping this older mount system ( Hyde + Hatori) pipe will stil be OK - I practice pattern maneuvers and don't formally compete as I cant disappear for weekends nor do I wish to add competition to my hobby. I flew the black magic for several years on Electric and note the reduction in prop size I need to move to with the 170DZ - I am now trying to figure out what an ideal prop would be for this setup. Many members at my club now understand when I tell them that pattern ships are great sport flyers as well

Joe
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Old 04-18-2019, 10:54 PM
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Hello

With Hyde mount it's necessary to fix a nose ring because vibrations.
claude




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Old 04-19-2019, 05:56 AM
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slipkid
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Hi Claude
Thank you for your suggestion - Can you point me to any vendor who can supply these nose rings? - I think your suggestion is a good one if I can do it at this stage
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Old 04-19-2019, 06:33 AM
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Hello Joe

In Morris hobby shop ,
YS»ƒtƒƒ“ƒgƒ}ƒEƒ“ƒg‘g—§
I think there is in your country but I don't no where !
You can do it yourself with plywood and silicone hose.
claude


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Old 04-20-2019, 03:34 PM
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Hi All
I have found a nose ring that was actually in the original purchase parts and have fitted it to the from of the 170 - I see in the images above from Claude that the nose ring is connected to the cowl via ply ring glued to the cowl. i can do the same thing, but I am wondering if the cowl would crack under this constant vibration form the engine?. I have fabricated a ply ring to glue to my cowl, but stopped when I considered that the cowl is only fiberglass and not well suited to absorb vibrations - are these cowls holding up?

thanks - I am kind of stuck at the moment until I get this resolved, although my alternative is to not have a nose ring in the setup

Joe
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Old 04-20-2019, 11:41 PM
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Hello Joe

You can make a plywood disc to distribute efforts as shown on picture or reinforce the front fuse with glasscloth.
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Old 04-26-2019, 11:14 PM
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Hi,

Glue in a ply disc for the nose ring to attach to.


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