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07-18-2009, 05:02 PM
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Join Date: Mar 2005
Location: St. George
Posts: 973
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RE: Skytec Starter ????UPDATE 07/20/2009..update 07/28/2009
Prepared for flight #4.....Having Fun.....Big Grins......Clear Prop......
The sound many of us know if a starter not engaging!!!!!!
Check this out????
I have read the threads on this but do have a question which in the end may be one of those....."I told Ya so".
How many of you folks have the brace between the starter and the alternator or not.
BUZZ has been starting real smooth until the start up this AM.
I will be calling SkyTec Monday. and maybe B & C for some more wallet lightening...............$$$$$$$$$$$$$$$
Frank @ 1L8 ...RV7A... Phase 1
Last edited by fstringham7a : 07-28-2009 at 09:29 PM.
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07-18-2009, 05:26 PM
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Join Date: May 2005
Location: Santa Barbara, CA
Posts: 1,324
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Just a thought...
In the bottom photo the forward part of the mounting surface on the starter doesn't show contact like the back and sides. I would question if the forward dowel pin was free to seat all the way into the case. If not, torquing the nuts would certainly stress the mount and could cause it to fail as it did.
John Clark
RV8 N18U "Sunshine"
KSBA
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07-18-2009, 05:41 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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My Sky-Tech Hi-Torque starter was installed February, 1995.
Not a problem since!
BTW, I've never used the alternator brace.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
Last edited by Mel : 07-18-2009 at 06:26 PM.
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07-18-2009, 05:42 PM
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Join Date: Jun 2005
Location: SoCal
Posts: 2,452
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WOW !! That is the first time I have ever seen that failure. How are the teeth on the starter and flywheel? Does it look like the teeth did not line up and that caused the failure?
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Axel
RV-4 fastback thread and Pics
VAF 2020 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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07-18-2009, 06:04 PM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,247
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I've never seen a break like that one either! Give SkyTec a call - They've always been super to work with.
Oh, I have always thought the the brace was there for the alternator mount's benefit, not the starter. I might be wrong...but I doubt that was your problem.
Paul
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Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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07-18-2009, 06:58 PM
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Join Date: Aug 2006
Location: Twin Falls, ID
Posts: 683
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I agree with John. It looks like the front dowel might have been bottomed out before the flange seated. Don
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RV 7 N212MD Flying as of 12/22/2007
Backcountry/TCOW Super Cub flying 03/12/2011
Next project?
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07-18-2009, 07:13 PM
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Join Date: Dec 2006
Location: Kalifornia
Posts: 466
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Saw the same general failure on a Cozy at Arlington last weekend. Broke on both sides like that. Maybe a bad bunch of castings.....?
Good reason for at least one mag - he could have proped it and flown home but it just wasn't that simple. 
PS: REALLY beautiful engine, by the way! |
07-18-2009, 08:43 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,027
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Quote:
Originally Posted by Ironflight
I've never seen a break like that one either! Give SkyTec a call - They've always been super to work with.
Oh, I have always thought the the brace was there for the alternator mount's benefit, not the starter. I might be wrong...but I doubt that was your problem.
Paul
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I think Paul is right. The brace is for the alternator bracket.
This may very well have been caused by a problem with the starter, but if you are using a key style ignition switch, their is another thing you should also investigate. Check whether the grounding bar is installed on the key switch for grounding the right (non impulse magneto) during start. If you are not using a key switch, verify that you are only activating the impulse mag. during start. If you have electronic ign. in place of the right mag., ignore the above info.
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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07-19-2009, 05:42 AM
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Join Date: Jan 2007
Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
Posts: 3,122
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amazing!!!!!!!!!!
nice to know you can hand prop these 0-360's. the fly wheel looks a bit banged up. looks like it was bolted up flush, was the forward pin the right size? very interesting.
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TURBO YES =VAF= Payed Jan2019
Ed D'Arcy
RV6-A 5,200+ hrs, R-44 1,600 hrs, Helicycle 320 hrs, gyro sold,35,000 miles flown in 2015 
Stuart, Fl / S WINDSOR,Ct / Virgin Gorda, BVI - under major repair from hurricane damage
VAF #840 EAA AOPA FAC FABA QB SPA
addicted pickle ball player
https://i.postimg.cc/tn3h4svg/IMG-3101.jpg
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07-19-2009, 06:40 AM
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Join Date: Mar 2005
Location: ...
Posts: 2,049
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Did you get a kick-back? Got a funny feeling that if you have an EI, Sky-Tec is gonna assume that you did...
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Dan Checkoway RV-7
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