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  #31  
Old 01-13-2018, 04:47 PM
rv6ejguy's Avatar
rv6ejguy rv6ejguy is offline
 
Join Date: Mar 2005
Location: Calgary, Canada
Posts: 6,105
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Good numbers and obviously LOP hasn't caused any engine problems after 1900 hrs...
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Ross Farnham, Calgary, Alberta
Turbo Subaru EJ22, SDS EFI, Marcotte M-300, IVO, Shorai- RV6A C-GVZX flying from CYBW since 2003- 450.6 hrs. on the Hobbs,
RV10 95% built- Sold 2016
http://www.sdsefi.com/aircraft.html
https://www.youtube.com/channel/UCiy...g2GvQfelECCGoQ


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  #32  
Old 01-13-2018, 05:01 PM
seward747 seward747 is offline
 
Join Date: Jan 2005
Posts: 201
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Ditto the kudos for continuing updates here.
Going back over previous year's posts, I noticed back in DEC 14, with your CF panel overlay, your abbreviated T/O and LAND checklist under the D-10 got dropped. That was one of my favorite "features"! Or, maybe it just got moved?

Doug
Seattle area
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  #33  
Old 01-13-2018, 10:48 PM
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petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,297
Default Check list

Doug,

It did not make the conversion - I will remedy that, pronto! Good call.
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Pete

Amateur Plane - RV-9A N789PH - 2450+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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  #34  
Old 01-14-2018, 07:38 AM
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scard scard is offline
 
Join Date: Jun 2005
Location: Cedar Park, TX
Posts: 3,368
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Pete,
You're numbers have always made me wonder what is "wrong" with my airplane. Then I add fuel and go fly and it is all better.
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Scott Card
CQ Headset by Card Machine Works
CMW E-Lift
RV-9A N4822C flying 2200+hrs. / Cedar Park, TX
RV8 Building - fuselage / showplanes canopy (Done!)
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  #35  
Old 01-14-2018, 01:17 PM
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Steve Melton Steve Melton is online now
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 3,515
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performance is consistent year to year. good data.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 900+ for all

Simplicity is the art in design.
I was born an airplane nut. I have no explanation for it.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
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  #36  
Old 01-06-2019, 02:28 PM
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petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,297
Default Year 12 Performance Runs

Got out and up today to see how the old girl is doing at cruise.

Cloudy, but 02degC and a pretty nice day. She seems to still have it at 12+ years and 2096 hours!

O-320, carb, dual EI, Hartzell, mogas. Otto flying the legs.

Yep - The D-10A has the dreaded black spot - it is stable for now, so I am just leaving it. The D-10A and the EMS-D10 have been great for 12 years and I know Dynon will fix me up when time comes.

The snapshot:



Data from the runs was pretty consistent:



I think I'll keep her!
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Pete

Amateur Plane - RV-9A N789PH - 2450+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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  #37  
Old 01-07-2019, 02:38 AM
rightrudder rightrudder is offline
 
Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,853
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You seem to have a very healthy engine at 2000+ hours...congrats! But your CHTs vary by quite a lot. Have you thought of making some changes to the baffling to even them out?
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Doug
RV-9A "slider"--sold in July 2021
Flew to Osh in 2017, 2018 & 2019!
Donation made for 2021
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart
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  #38  
Old 01-07-2019, 05:46 AM
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Steve Melton Steve Melton is online now
 
Join Date: Apr 2011
Location: Cincinnati, OH
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Quote:
Originally Posted by rightrudder View Post
You seem to have a very healthy engine at 2000+ hours...congrats! But your CHTs vary by quite a lot. Have you thought of making some changes to the baffling to even them out?
there seems to be some opportunity to even the CHT.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 900+ for all

Simplicity is the art in design.
I was born an airplane nut. I have no explanation for it.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
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  #39  
Old 01-07-2019, 07:12 AM
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petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,297
Default CHTs

Quote:
Originally Posted by rightrudder View Post
You seem to have a very healthy engine at 2000+ hours...congrats! But your CHTs vary by quite a lot. Have you thought of making some changes to the baffling to even them out?
Steve and Doug,

Good catch! I even out the CHTs by applying partial carb heat. On the 3rd run yesterday I turned the carb heat off to see if it would make difference in speed or fuel flow(it did not).

My CHTs are usually within about 10-20deg of each other with the exception of #1 that will be a bit cooler.

I'll get a pic next time I am up.
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Pete

Amateur Plane - RV-9A N789PH - 2450+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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  #40  
Old 01-07-2019, 07:39 AM
BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
Posts: 6,320
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Quote:
Originally Posted by petehowell View Post
Steve and Doug,

Good catch! I even out the CHTs by applying partial carb heat. On the 3rd run yesterday I turned the carb heat off to see if it would make difference in speed or fuel flow(it did not).

My CHTs are usually within about 10-20deg of each other with the exception of #1 that will be a bit cooler.

I'll get a pic next time I am up.
With the corresponding low EGT it was looking like mixture distribution. Clever use of carb heat!! After 2000+ hours, it can't be that bad
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RV-7
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