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  #31  
Old 06-17-2018, 08:56 AM
MConner MConner is offline
 
Join Date: Mar 2018
Location: Snead Island, Florida
Posts: 80
Default Grumman’s too

I tossed this out on the Grumman Gang and they are having the same debate about why Fuel flows increase with pump on. One friend has his transducer mounted in the cabin near the Fuel selector. That is far UPSTREAM of even the electric boost pump and sees 10% rise in fuel flow with the pump on...I am still puzzled.

Mark
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  #32  
Old 06-17-2018, 09:26 AM
Freightdawg's Avatar
Freightdawg Freightdawg is offline
 
Join Date: Apr 2013
Location: New Albany, IN
Posts: 151
Default

Quote:
Originally Posted by Lynnb View Post
You can buy a piece of sleeve from ACS if you search for:
FUEL TRANSDUCER COVER FIRESLEEVE BLACK

Or
http://www.aircraftspruce.com/catalo...ickkey=1785576
Thanks for the info!
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Jeff Rich
RV-10 Kind of all over the place in the plans. Need to get out to the airport.
N313KC reserved
In the garage for now, KJVY this summer...this fall...whenever they finish building the hangar
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  #33  
Old 07-05-2018, 09:57 AM
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Sylvainsting Sylvainsting is offline
 
Join Date: Nov 2014
Location: In the center of France
Posts: 81
Default Red Cube erratic operation

Hello,

My Red Cube seems also to go wrong for 2 or 3 flights. Sometimes it works during 10 minutes and after nothing during 15 minutes and so on.
I have 180 hours hobbs (2 years). Before that it worked fine and very accurate. My red cube is installed juste after the injection system behind the alternator (as the same like Jason Beaver).
Is there is somebody who have the same installation with no problem after several hundred hours ?
260$ for a Red Cube...I do not want to change it every 2 years...
https://hebergeur-images.com/fr/vi/1...22d4945f30f71d[/
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Location: France
RV7 QB (F-PSED), Tip Up, Aerosport IO-375, James Cowl, WW 200RV, Dynon Skyview, VP-X sport, Day VFR,

Flying...
Phase 2
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  #34  
Old 07-05-2018, 02:26 PM
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Ironflight Ironflight is offline
VAF Moderator / Line Boy
 
Join Date: Jan 2005
Location: Dayton, NV
Posts: 11,664
Default

Quote:
Originally Posted by Sylvainsting View Post
Hello,

My Red Cube seems also to go wrong for 2 or 3 flights. Sometimes it works during 10 minutes and after nothing during 15 minutes and so on.
I have 180 hours hobbs (2 years). Before that it worked fine and very accurate. My red cube is installed juste after the injection system behind the alternator (as the same like Jason Beaver).
Is there is somebody who have the same installation with no problem after several hundred hours ?
260$ for a Red Cube...I do not want to change it every 2 years...
https://hebergeur-images.com/fr/vi/1...22d4945f30f71d[/
We’ve had ours mounted in that spot, hanging from the sump bolts, for 650hours on the RV-3 with no issues.
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Paul F. Dye
Editor in Chief - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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  #35  
Old 07-07-2018, 05:48 AM
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Bill.Peyton Bill.Peyton is offline
 
Join Date: Sep 2009
Location: St. Louis, MO
Posts: 1,636
Default

Mine lasted 4 years and 600 hours in that location mounted to the front of the oil sump with no insulation
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Bill Peyton
RV-10 - 780 Hrs
First Flight Oct 2012
WA0SYV
Aviation Partners, LLC
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  #36  
Old 07-15-2018, 02:15 PM
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JackinMichigan JackinMichigan is offline
 
Join Date: Nov 2012
Location: Canton, MI
Posts: 210
Default Update on the failure

To update everyone. I posted originally that the fuel flow sensor quit (at 20 hrs). Next, I flowed a lot of fuel thru it into a gas can. Must have unstuck the rotor inside because it started working again. After about 1/2 hour of flight time, it quit again.

Current situation.. troubleshooting determined the problem was the red cube, not the wiring. After getting another red cube.. standing on my head for hours, the red cube was replaced and now works again.

FYI. The cube is mounted in the tunnel after the booster pump and filter just as Van's directed me to do. The tunnel is vented and does't get over 150 degrees. Don't know why these fail... heat, vibration, etc...
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Jack and Dave Groat, father and son
RV-10 N1861G
Build #41389, started Oct 2012
Current status: 1st Flight 11/10/17
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  #37  
Old 08-05-2018, 12:02 PM
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JackinMichigan JackinMichigan is offline
 
Join Date: Nov 2012
Location: Canton, MI
Posts: 210
Default It quit AGAIN

The brand new red cube was installed, leak checked, tested by running fuel into a gas can. Today on engine start, it quit working, with essentially zero hours.

Very, very frustrated. With 20 hrs on this plane have replaced fuel tanks, fuel level sensors, alternator, auto pilot servos, etc.. all brand new parts.

Ready to pour gasoline on it and put a match to it.
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Jack and Dave Groat, father and son
RV-10 N1861G
Build #41389, started Oct 2012
Current status: 1st Flight 11/10/17
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