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  #21  
Old 08-25-2017, 12:03 PM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,071
Default Yes

ACS has a 2" Y and they also have a 2" Y with shutoff. I will be using it...
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Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
Doors - Done
On Gear
290 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful

Dues Paid 2017,...Thanks DR+
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  #22  
Old 08-25-2017, 12:38 PM
rvdave rvdave is offline
 
Join Date: Jun 2005
Posts: 321
Default

Maybe a silly question but would it be better to take the muff off one side versus the other ? Being that there is a rear baffle scat input and a front input?
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  #23  
Old 08-26-2017, 11:18 AM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
 
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 1,659
Default

As I previously mentioned, recommend keeping both heat muffs but adding a restrictor on the baffle air take off. I have a 3/4" hole in a 2" round piece of .032" aluminum on each baffle flange, held in with aluminum tape. The SCAT hose slides over this. This was a trial and error deal - the 3/4" hole provides me more than enough heat. For your northern folks you might need a little bigger hole.

I suspect it is easier to adjust the restrictor hole than going back to reinstall the second heat muff, control valve and hose.

Carl
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  #24  
Old 07-30-2018, 09:00 AM
AviatorJ AviatorJ is offline
 
Join Date: Feb 2015
Location: Oklahoma City
Posts: 669
Default

I have an issue with spacing in the tunnel. I currently have the stock tubing and two AC hoses on standoffs crossing the spar. It turned out nice and snug.



Fast forward a year and I'm working on my avionics installation and wiring routing. My problem is I plan to put my headset jacks into my throttle quadrant/arm rest deal from Aerosport. This requires me to run about an inch bundle of shielded cables down the tunnel and up about 6 inches or so rear of the spar. I'm not particularly comfortable shoving those into the remaining space... concerned about chaffing on everything else there.

Reducing my scat tube to 1 inch over the 2 inch stock tube should give me enough space to get the bundle by. I just wanted to check my logic in that getting two 2" to 1." reducers and a length of 1" tubing will do the trick?

Also not worried about not having enough heat either. Flying my buddy's RV-10 I've used the heat twice, for about 20 seconds each time.
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RV-10 Quickbuild 'Avionics and Interior'
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Last edited by AviatorJ : 07-30-2018 at 09:04 AM.
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  #25  
Old 07-30-2018, 09:28 AM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,071
Default Reducer

I used the reducers. The 2" SCAT would kind of fit but it was rubbing against the fuel valve extension and parts of the tunnel wall. It was also a tight fit where it passed over the spar web. The reduction to 1.5" made everything fit just fine.

I'm not flying yet but from most comments, I don't think heat in the cabin will be a problem...
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Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
Doors - Done
On Gear
290 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful

Dues Paid 2017,...Thanks DR+
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  #26  
Old 07-30-2018, 09:37 AM
AviatorJ AviatorJ is offline
 
Join Date: Feb 2015
Location: Oklahoma City
Posts: 669
Default

Yah now that you mention it, it does squeeze a bit around the fuel valve. I'll try the 1" vs 1.5" and see how that goes. Probably will make a few 1" routing brackets to keep it all in order as well.
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RV-10 Quickbuild 'Avionics and Interior'
http://operationrv10.blogspot.com/
Donated for 2018
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  #27  
Old 07-30-2018, 09:39 AM
Electrogunner Electrogunner is offline
 
Join Date: Aug 2016
Location: Quarryville ,pa
Posts: 303
Default Headset cables

Quote:
Originally Posted by AviatorJ View Post
I have an issue with spacing in the tunnel. I currently have the stock tubing and two AC hoses on standoffs crossing the spar. It turned out nice and snug.



Fast forward a year and I'm working on my avionics installation and wiring routing. My problem is I plan to put my headset jacks into my throttle quadrant/arm rest deal from Aerosport. This requires me to run about an inch bundle of shielded cables down the tunnel and up about 6 inches or so rear of the spar. I'm not particularly comfortable shoving those into the remaining space... concerned about chaffing on everything else there.

Reducing my scat tube to 1 inch over the 2 inch stock tube should give me enough space to get the bundle by. I just wanted to check my logic in that getting two 2" to 1." reducers and a length of 1" tubing will do the trick?

Also not worried about not having enough heat either. Flying my buddy's RV-10 I've used the heat twice, for about 20 seconds each time.
I'm running my headset cables on top of the tunnel cover to the armrest location. It will be hidden by the aerosport center panel drop down and the armrest itself. Im leaveing a little slack in them so i can set the armrest off to the side for maintenance access to tunnel if needed. Maybe you can do the same.
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  #28  
Old 07-30-2018, 10:07 AM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,071
Default Clarification

I used 1.5 reducers and there was more than enough clearance...
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Bob
Aerospace Engineer '88

RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
Doors - Done
On Gear
290 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful

Dues Paid 2017,...Thanks DR+
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