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03-02-2014, 06:56 AM
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Join Date: Aug 2005
Location: Pasadena CA
Posts: 2,484
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Quote:
Originally Posted by RV7A Flyer
Somebody needs to notify Lycoming, then, because my brand new IO-360 from the factory came with (gasp) fiber locknuts on it (e.g., on the Adel clamps holding the fuel injection lines).
I've heard this before about fiber locknuts FWF, and granted there are places in the engine compartment where they probably shouldn't be used (and I used a lot of all-metal locknuts when installing the systems on the engine), but even the fuel injection servo uses fiber locknuts in one or two places, IIRC.
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I've seen the plastic locknuts melt the plastic right out if the FWF. Regardless of what Lycoming or anyone else does, I'm using AN363's.
__________________
Stephen Samuelian, CFII, A&P IA, CTO
RV4 wing in Jig @ KPOC
RV7 emp built
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03-02-2014, 07:10 AM
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Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,791
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AN363
I used AN363 on all fw fwd and control surface attachments and linkages except where castle nuts were specified.
Keep the rod end bearings lubed because Aurora rod end bearings need it.
__________________
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 = 800+ for all
Simplicity is the art in design.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
Last edited by Steve Melton : 03-02-2014 at 07:14 AM.
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03-02-2014, 07:57 AM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,687
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Quote:
Originally Posted by vic syracuse
I just inspected an RV-10 yesterday with 100 hours on it and NO cotter pins in any of the 4 engine Lord mount bolts.
If it calls for them, they have to be used.
Vic
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If what calls for them? If you are saying builders can't deviate from the plans then we probably need to ground the entire RV fleet 
__________________
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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03-02-2014, 09:47 AM
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Join Date: Mar 2009
Location: Rochester NY
Posts: 669
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Quote:
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I just inspected an RV-10 yesterday with 100 hours on it and NO cotter pins in any of the 4 engine Lord mount bolts....
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One of the things I find fascinating is the difference between a Cherokee 180 and the RV-7A. Pretty much the same engine (mags, carb, etc.).
FWIW - the Cherokee does not have cotter pins on the engine mount hardware.
Dan
__________________
RV7A (N7101) - Flying 10/2008
CFI- SE/ME/Inst
A&P
KC2ZEL
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03-02-2014, 09:48 AM
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Super Moderator
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Join Date: May 2005
Location: Locust Grove, GA
Posts: 2,627
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No, Walt.
I am far from being the smartest one on the List or anywhere else for that matter. 
I was simply stating that if a drilled bolt and castellated nut are used together, then the cotter pin is not optional.
Vic
__________________
 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Unairworthy" monthly feature
EAA Sport Aviation "Checkpoints" column
EAA Homebuilt Council Chair/member EAA BOD
Author "Pre-Buy Guide for Amateur-Built Aircraft"
www.Baselegaviation.com
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03-02-2014, 12:18 PM
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Join Date: Jan 2005
Location: Chandler, AZ
Posts: 2,904
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Technology
I think this is a situation of seeking a solution for a problem that doesn't exist. Van's did this for a reason and has been pointed out, 8000+ flying without control surfaces dropping off.
One of the other interesting controversies is the lace cord vs. zip ties. Many think that lace cord is the only way to go. I see no issues with zip ties but I like the looks of nicely done lace cord.
I was talking to one of the mechanics for our helicopters. He's been with the company for lots of years. I asked why everything is zip tied now instead of lace corded. He said back when lace cord was the only option. Now we have all sizes zip ties for all temperature ranges, stand offs, spacers etc..... He said nothing wrong with lace cord but technology has changed.
__________________
Darwin N. Barrie
Chandler AZ
www.JDair.com
RV-7 N717EE-Flying (Sold)
RV-7 N717AZ Flying, in paint
EMS Bell 407,
Eurocopter 350 A-Star Driver
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