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  #11  
Old 03-12-2017, 07:02 PM
Norcalrv7 Norcalrv7 is offline
 
Join Date: Jan 2015
Location: McKinleyville CA
Posts: 248
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Switched over to the SDS pin 2 Fuel flow output today. Going to take a few flights to get it dialed in, but looks like a value of about 1400 should be close with the 46lb injectors
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Flying RV-7A N542LC 800 hours+ With SDS Electronic fuel injection.
Pieces of an RV-8 in the back of the hangar
ATP CFI A&P
BE-200 Air Ambulance driver
Based at EKA, Northern CA

Last edited by Norcalrv7 : 03-13-2017 at 11:12 PM.
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  #12  
Old 03-14-2017, 06:56 PM
Dave Anders Dave Anders is offline
 
Join Date: Feb 2007
Location: cottonwood, calif
Posts: 19
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i've had a few great days for testing and this is fun. you can dial the AFR you want at idle, cruise, and WOT full power. as for the FF accuracy. it's very good in my 4. i'm still dialing it in for the 46 lb injectors. however it's still so close to the gauges in each tank no one would what to run down that low. right now i am within about 0.5 gals or so of my computer agreeing with the gauges when i'm taking around 25 gallons. i can get it closer but have been doing other things. the SDS FF is great, don't waste your time or money on the cube or flowscan.
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  #13  
Old 03-16-2017, 11:25 PM
Norcalrv7 Norcalrv7 is offline
 
Join Date: Jan 2015
Location: McKinleyville CA
Posts: 248
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Confirmed after a few flights:
a setting of 1400 Is within 1/10th of a gallon for me after a full tank.

Caleb
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Flying RV-7A N542LC 800 hours+ With SDS Electronic fuel injection.
Pieces of an RV-8 in the back of the hangar
ATP CFI A&P
BE-200 Air Ambulance driver
Based at EKA, Northern CA
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  #14  
Old 03-17-2017, 05:51 AM
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rv6ejguy rv6ejguy is offline
 
Join Date: Mar 2005
Location: Calgary, Canada
Posts: 4,750
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Quote:
Originally Posted by Norcalrv7 View Post
Confirmed after a few flights:
a setting of 1400 Is within 1/10th of a gallon for me after a full tank.

Caleb
My software guy will be happy with that! Thanks for the confirmation Caleb.
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Ross Farnham, Calgary, Alberta
Turbo Subaru EJ22, SDS EFI, Marcotte M-300, IVO, RV6A C-GVZX flying from CYBW since 2003- 424.4 hrs. on the Hobbs,
RV10 95% built- Sold 2016
http://www.sdsefi.com/aircraft.html
http://sdsefi.com/cpi.htm


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  #15  
Old 03-17-2017, 10:59 AM
Norcalrv7 Norcalrv7 is offline
 
Join Date: Jan 2015
Location: McKinleyville CA
Posts: 248
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Ill come back with some updates after some more hours on it. Curious to see if the variance in fuel pressure regulator will effect it.

Caleb
__________________
Flying RV-7A N542LC 800 hours+ With SDS Electronic fuel injection.
Pieces of an RV-8 in the back of the hangar
ATP CFI A&P
BE-200 Air Ambulance driver
Based at EKA, Northern CA
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  #16  
Old 08-09-2018, 04:42 PM
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rv6ejguy rv6ejguy is offline
 
Join Date: Mar 2005
Location: Calgary, Canada
Posts: 4,750
Default No More Red Cubes

I'm updating this older thread after seeing a number of folks posting about issues and failures with their Red Cube fuel flow transducers. If you're thinking of going with SDS EFI, you'll be able to rid yourself of these outmoded devices, their associated plumbing, weight, expense, restriction etc. and go digital to digital with a single wire from the ECU to the engine monitor.

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Ross Farnham, Calgary, Alberta
Turbo Subaru EJ22, SDS EFI, Marcotte M-300, IVO, RV6A C-GVZX flying from CYBW since 2003- 424.4 hrs. on the Hobbs,
RV10 95% built- Sold 2016
http://www.sdsefi.com/aircraft.html
http://sdsefi.com/cpi.htm


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