Service Bulletin SNX-SB-011 - throttle and mixture

Discussion topics to include safety related issues and flight training.

Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby daleandee » Sat Dec 10, 2022 3:31 pm

I recently uploaded a walkaround video on my plane and it shows my set up (the video was not done for this thread). Although mine is a center stick I was well aware during the build of the need to set up the cockpit (flight deck) so as to prevent any "hand dancing" of controls at critical times. My biggest reach is for the radio which can be done with my free hand but is generally done by switching hands. I even set up the iFly GPS to be reachable with my free hand.

Admittedly mine is not set up for training but I've had instructors that felt comfortable giving me flight reviews with this set up and a few of my passengers like to fly it when I ask them if they would like to.

https://www.youtube.com/watch?v=Hg0fgs4cFuE
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby GordonTurner » Sat Dec 10, 2022 4:13 pm

That’s why I mentioned it. Estimate it took about 5 hours to engineer and build an electric actuation for the flaps.

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Waiex 158 New York. N88YX registered.
3.0 Liter Corvair built, run, and installed.
Garmin panel, Shorai LiFePo batteries.
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby karmarepair » Sun Dec 11, 2022 8:22 pm

Well, the circa 2001 flap drive tube does NOT have the centerline weldment, so the throttle and mixture are moving to a small auxiliary panel at the far lower left corner of the existing panel, just above the flap and trim levers.
https://photos.google.com/photo/AF1QipPCU95BXO3yw3UexMHLDDPZSVvYmv8UZpj9XNINew Throttle/Mixture bracket to the left, new canopy latch bar with two notches to the right, neither is 100% yet.
http://photos.google.com/photo/AF1QipPVCHTGvDbaqaziwK7TClWZctDtsuRwWvgSgD8 Where it will go.
http://photos.google.com/photo/AF1QipPvRIIeFDnvJBznuLuuoXCGeaSGKWK-vUPQIOAThe holes to mount the new bracket to the flange of the panel will have to be drilled VERY CAREFULLY.
http://photos.google.com/photo/AF1QipPCU95BXO3yw3UexMHLDDPZSVvYmv8UZpj9XNI
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby Bryan Cotton » Mon Dec 12, 2022 9:32 am

All of your picture links are 404/not available for me.
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Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby DCASonex » Mon Dec 12, 2022 4:24 pm

I made a dual throttle based on the design used by Zenith on their 601-650 series. two push pull controls operating bell cranks on a long shaft running side to side just under the engine mount. I flexible pull cable from that to the Bing Carb on my 3300. Also have electric flaps. which is an easy and quick conversion from side mounted lever. With throttle flap switch and the old style trim lever all grouped so that can reach all with hand on the throttle and other hand always on the stick.

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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby karmarepair » Mon Dec 12, 2022 5:51 pm

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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby Area 51% » Tue Dec 13, 2022 10:51 am

It appears from the pictures that you have more/better leverage to turn the fuel off than pull full flaps.

From my experience, that black knob on the flap handle is not going to be your friend above 70mph.
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby karmarepair » Tue Dec 13, 2022 6:39 pm

Area 51% wrote:It appears from the pictures that you have more/better leverage to turn the fuel off than pull full flaps.

From my experience, that black knob on the flap handle is not going to be your friend above 70mph.

What did you do about that? Did you go electric too?
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby Area 51% » Tue Dec 13, 2022 7:12 pm

Just "Flaps by Armstrong". It takes quite a tug on the flap bar to get it into the last notch. No extra knob for my hand to slip off of.
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Re: Service Bulletin SNX-SB-011 - throttle and mixture

Postby karmarepair » Tue Dec 20, 2022 2:29 am

It's turning out to be very hard to get the controls out of the panel to move them. Access is very tight.
https://photos.app.goo.gl/BdX5MruMDGGmiQkXA
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