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08-17-2014, 05:35 PM
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Join Date: Feb 2006
Location: Keller, Texas
Posts: 309
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Plasma ignition
For those who are running dual lightspeed 11 ignition systems. What is the drop off on A and B you are seeing during runup at 1700 rpms?
Thanks
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Nigel
RV9A-N113SQ
52F
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08-17-2014, 06:10 PM
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Join Date: Jan 2005
Location: Fayetteville, Arkansas
Posts: 24
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For both runup (not really necessary) or in cruise: Amost imperceptable using Van's tach.
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Dave Gehle, P.E.
Fayetteville, Arkansas KFYV
RV-4 (sold), RV-6A, J3-C65 (sold)
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08-17-2014, 07:10 PM
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Join Date: Aug 2010
Location: San Luis Obispo
Posts: 199
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Should be minimal drop
Quote:
Originally Posted by sirlegin
For those who are running dual lightspeed 11 ignition systems. What is the drop off on A and B you are seeing during runup at 1700 rpms?
Thanks
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Try cleaning or changing plugs. Klaus showed me great technique for shutting down. This has made hot starts and fowling non issues. Lean for 20 seconds at idle the. Turn off ignition at the same time you ICO fuel. When you go to restart don't touch mixture until engine fires. Works great every time. |
08-18-2014, 08:35 PM
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Join Date: Dec 2007
Location: Flagstaff, AZ
Posts: 2,647
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Quote:
Originally Posted by n721dp
For both runup (not really necessary) or in cruise: Amost imperceptable using Van's tach.
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Ditto that. The interconnect seems to compensate quite well if one box or the other is off.
__________________
Patrick Kelley - Flagstaff, AZ
RV-6A N156PK - Flying too much to paint
RV-10 14MX(reserved) - Fuselage on gear
http://www.mykitlog.com/flion/
EAA Technical Counselor #5357
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08-19-2014, 02:21 PM
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Join Date: Feb 2006
Location: Keller, Texas
Posts: 309
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On a 1.4 hour flight in leaned cruise the drop off on both A and B was 60 rpms each.
At 4500 feet these were my numbers:
21.2 MAP
2300 rpm
oil pressure 74
oil temp 178
CHT 343/338/333/338
EGT 1333/1388/1326/1388
fuel pressure 26
5.6 gph at 64% power
O320 160 hp Lycoming Fi dual lightspeed 11
Return trip: Leaned
3500'
20.4 map
2320 rpm
oil p 74
oil t 180
CHT 351/348/342/345
EGT 1317/1411/1318/1368
152 mph GS 163 6.2 gph
I still have a drop of of 60-70 rpms leaned 1700 runup on A and B.
Any thoughts? The plane fly's nice and smooth in cruise. The stumbling on final and taxi is concerning and can be helped somewhat by leaning.
__________________
Nigel
RV9A-N113SQ
52F
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08-19-2014, 05:49 PM
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Join Date: Feb 2005
Location: Victoria B.C.
Posts: 1,265
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What is your secret? How do you get 64% power on 5.6 gph?
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08-19-2014, 06:41 PM
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Join Date: Feb 2006
Location: Keller, Texas
Posts: 309
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O320 fi dual lightspeed with a Catto 3 blade prop. I get the same mpg as my Mini Cooper
It's not an anomaly, Walt can verify as he is my go to man.
__________________
Nigel
RV9A-N113SQ
52F
Last edited by sirlegin : 08-19-2014 at 06:45 PM.
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08-19-2014, 08:09 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,668
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Yea but he can't keep up with the big boys 
__________________
Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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08-20-2014, 02:49 PM
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Join Date: Feb 2006
Location: Keller, Texas
Posts: 309
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Quote:
Originally Posted by Walt
Yea but he can't keep up with the big boys |
Thanks Walt. I can always count on you!!!
I will strive to pedal faster
__________________
Nigel
RV9A-N113SQ
52F
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