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03-04-2018, 08:23 AM
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Join Date: Mar 2005
Location: DVT Phoenix
Posts: 1,187
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If the starter keeps spins when the drive kicks out then I suspect a Bendix problem. Some of the older starters had a clutch type Bendix and could fail in this way but hard to diagnose on the bench. The starter repair shop could probably verify this.
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Larry
Last edited by Larco : 03-04-2018 at 08:38 AM.
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03-04-2018, 08:01 PM
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Join Date: Jul 2012
Location: Fresno, CA
Posts: 270
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Starter problem
Jim: I have a used Skytec 149-12PM starter you can have for $150 plus shipping. Perfectly operational. If it will work for you and you are interested send me a PM or email to happ@comcast.net.
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03-04-2018, 08:55 PM
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Join Date: Aug 2014
Location: Collierville, TN
Posts: 99
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Reviewing Everything and Found this today.
Pulled starter back off today and while I was underneath decided to take another look at the ring gear using a very bright light as well as feeling. Previously looking from above in ambient light, I failed to see this. Today, I noted the rear corner of several teeth had been knocked down/chipped off? It is a small area. Is this enough alone to be cause of my problem. Still, I am ordering a new ring gear to replace this one. I am assuming it contributes as it makes two blades and kicks out almost every time.
And yes, I feel like an idiot for having missed this the first time I looked before tackling the electrical and starter track.
__________________
Jim Rice
Collierville, TN
1994 RV-4 N4WJ (Purchased/Flying)
1946 J-3 Cub N7155H (Restored/Flying)
1946 Globe Swift N3368K (Purchased Restored/Flying SOLD)
1987 Starduster Too SA-300 (Purchased/Flying/SOLD)
1994 V6STOL (Built w/dad/SOLD)
US Army Retired (still working to pay for flying)
When my ship comes in, I'll probably be at the airport.
Last edited by JimRice : 03-04-2018 at 09:15 PM.
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03-05-2018, 05:56 AM
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Join Date: Aug 2015
Location: Cape Coral, FL
Posts: 350
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Looking at your pictures it looks like the starter gear is contacting the back of the ring gear and not even engaging the teeth. Look closely at the alignment of the starter.
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Thanks,
Anthony
RV6-A "Aluminum Mistress"
Too many hobbies- not enough time.
2016, 2017, 2018, 2019 donor and happy to do it.
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03-05-2018, 06:16 AM
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Join Date: May 2011
Location: Atlanta, GA
Posts: 239
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Teeth?
Jim,
Do you know the number of teeth the starter is set up to run? I have an old Prestolite (should just be Presto...nothing light about it) in the shop I'm not using. You might either use it as is or just change the gear if you need the other tooth count. PM or email me if you like.
Maj
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RV4
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03-05-2018, 08:14 AM
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Join Date: Aug 2014
Location: Collierville, TN
Posts: 99
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Quote:
Originally Posted by bob888
Jim: I have a used Skytec 149-12PM starter you can have for $150 plus shipping. Perfectly operational. If it will work for you and you are interested send me a PM or email to happ@comcast.net.
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I definitely appreciate the offer, but it does not appear that model will fit on my plane as it is configured.
__________________
Jim Rice
Collierville, TN
1994 RV-4 N4WJ (Purchased/Flying)
1946 J-3 Cub N7155H (Restored/Flying)
1946 Globe Swift N3368K (Purchased Restored/Flying SOLD)
1987 Starduster Too SA-300 (Purchased/Flying/SOLD)
1994 V6STOL (Built w/dad/SOLD)
US Army Retired (still working to pay for flying)
When my ship comes in, I'll probably be at the airport.
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03-05-2018, 09:02 AM
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Join Date: Mar 2008
Location: Clarksboro, NJ
Posts: 829
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I am thinking that the damage you are finding on the ring gear is a symptom of your problem, and not the cause. The mechanical mechanism that engages and disengages the pinion gear is not functioning properly.
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03-05-2018, 09:26 AM
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Join Date: Aug 2014
Location: Collierville, TN
Posts: 99
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Quote:
Originally Posted by pa38112
I am thinking that the damage you are finding on the ring gear is a symptom of your problem, and not the cause. The mechanical mechanism that engages and disengages the pinion gear is not functioning properly.
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Thanks. That reinforces my thoughts as well. I'm trying to track down a replacement Bendix drive assy 480388 F8 to swap out as well.
__________________
Jim Rice
Collierville, TN
1994 RV-4 N4WJ (Purchased/Flying)
1946 J-3 Cub N7155H (Restored/Flying)
1946 Globe Swift N3368K (Purchased Restored/Flying SOLD)
1987 Starduster Too SA-300 (Purchased/Flying/SOLD)
1994 V6STOL (Built w/dad/SOLD)
US Army Retired (still working to pay for flying)
When my ship comes in, I'll probably be at the airport.
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03-05-2018, 10:58 AM
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Join Date: Jul 2009
Location: Mojave
Posts: 4,652
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Had the same problem on an old Pontiac years ago. Changing the bendix drive itself is what fixed my issue.
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WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.
Michael Robinson
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Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
1984 L39C
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03-05-2018, 11:20 AM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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You might be able to find a replacement Bendix unit at NAPA auto parts.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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