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01-12-2014, 04:08 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Quote:
Originally Posted by rv4bill
Jessie
I stopped by X35(dunellon) yesterday to say hi. I'll see you at sebring
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Maybe we can do the first round of tuning down there.
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Jesse Saint
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01-12-2014, 08:37 PM
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Join Date: Jan 2010
Location: Ottawa, Ks
Posts: 2,188
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I've been close several times in my first 10 hours but finally joined the club today!! I haven't even installed the wheelpants and fairings yet!

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RV 7 400 hours and counting
19 donation done
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01-14-2014, 05:53 PM
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Join Date: May 2009
Location: Wahpeton, ND
Posts: 167
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Cross country flight coming back from Wyoming to North Dakota.
My first real cross country. Hope I can get this often.

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Brian Steeves
#40955 RV-10 - N413BS - Sold
It is Airworthy and Flying. But are they ever done?
First Flight 9/28/2013
#41714 RV-10 - N272BS
Phase 1 Finished, Getting Painted
#120849 RV-12 - N112AB
Flying. First flight Nov 26, 2017
Challenger II - N272MP - Sold
First Flight in 2011
www.briansrv10.com
Last edited by BGS : 01-14-2014 at 05:57 PM.
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01-14-2014, 05:57 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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You cut off the fuel flow! What were you burning? It looks like you may want to cut down the fin in front of cyl 2 or maybe even remove it. Also, how are your tanks reading 30 each at 9,500 ft?
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Jesse Saint
Last edited by Jesse : 01-14-2014 at 05:59 PM.
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01-14-2014, 06:00 PM
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Join Date: May 2009
Location: Wahpeton, ND
Posts: 167
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Jesse, it was burning 13 GPH
here is another that was taken just a few minutes before that.

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Brian Steeves
#40955 RV-10 - N413BS - Sold
It is Airworthy and Flying. But are they ever done?
First Flight 9/28/2013
#41714 RV-10 - N272BS
Phase 1 Finished, Getting Painted
#120849 RV-12 - N112AB
Flying. First flight Nov 26, 2017
Challenger II - N272MP - Sold
First Flight in 2011
www.briansrv10.com
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01-14-2014, 06:04 PM
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Join Date: May 2009
Location: Wahpeton, ND
Posts: 167
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Yes, I have been gradually cutting down the front tabs to get the temps down. Probably going to have to just remove it.
Tank readings go crazy when it is at altitude. I have capacitance tank senders and calibrate on the ground, they work fine. As soon as there is a temp change, they go do weird things.
Till I get them fixed, using the gallons used. This has been very accurate so far.
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Brian Steeves
#40955 RV-10 - N413BS - Sold
It is Airworthy and Flying. But are they ever done?
First Flight 9/28/2013
#41714 RV-10 - N272BS
Phase 1 Finished, Getting Painted
#120849 RV-12 - N112AB
Flying. First flight Nov 26, 2017
Challenger II - N272MP - Sold
First Flight in 2011
www.briansrv10.com
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01-14-2014, 06:30 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Looks like you got the right side taken care of. Let me know how much #2 drops when you remove the dam.
I'd be very nervous without functioning floats, besides not being "legal". If you had a leak, especially on a long flight, you would have no idea that your tank is emptying or how much fuel you have left. With accurately calibrated floats (or cap sensors), I'd take the tank readings over the fuel totalizers, especially when the tank sensors are reading lower. He lower of the two systems should be the one planned by.
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Jesse Saint
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01-14-2014, 08:26 PM
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Join Date: May 2009
Location: Wahpeton, ND
Posts: 167
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You are correct on those not relying totally on the totalizers. The capacitance readers do start to function at just under half tanks, however are only reliable at just above a quarter tank. I have been working with Rob on these and this week am changing out the dynon converters. If there was a leak, I would no it but unfortunately not until the tanks were half empty. Not what I am comfortable with and need to get them figured out. If you have any input on the capacitance issue, would appreciate any thoughts.
Will certainly let you know the drop when I remove the air dam.
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Brian Steeves
#40955 RV-10 - N413BS - Sold
It is Airworthy and Flying. But are they ever done?
First Flight 9/28/2013
#41714 RV-10 - N272BS
Phase 1 Finished, Getting Painted
#120849 RV-12 - N112AB
Flying. First flight Nov 26, 2017
Challenger II - N272MP - Sold
First Flight in 2011
www.briansrv10.com
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01-14-2014, 08:34 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Actually, I know almost nothing about capacitance sensors. The first -10 I helped build in 2006 had the normal float-type sensors and after getting them all set up with a Dynon EMS D-10 and seeing the accuracy (especially compared to a Cessna or Piper needle, that basically will tell you if your tanks are close to full or close to empty), I never even considered another type of sensor. I have always only used the float type sensors and am very happy with them.
Speaking of which, does anybody want to buy an EI dual capacitance fuel level instrument?
On the air dams, I have started leaving them off completely on all of the fwf installations I do and that leaves the front two cylinders warmer than the coolest and cooler than the hottest cylinders.
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Jesse Saint
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01-18-2014, 02:09 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Every once in a while the tailwinds on the return trip are as strong as the headwinds on the way out.
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Jesse Saint
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