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0. 09:26 AM - Make Sure You're Listed -- List of Contributors Published Dec 1! (Matt Dralle)
1. 09:33 AM - Re: Pre flight Problem (Pete Christensen)
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| Subject: | Make Sure You're Listed -- List of Contributors Published |
Dec 1!
Dear Listers,
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| Subject: | Re: Pre flight Problem |
LLoyd,
I followed your same path 3 years ago. I could not find enough
information on Ducati, John Deere, or any other regulator. Just bite
the bullet and get the one from Rotax. I would love to see a reasonable
alternative, but would rather just fly my Kitfox.
Pete
On 11/20/2011 8:35 PM, Lloyd & Lorrie Cudnohufsky wrote:
>
> Pete,
>
> That thought has always been in the back of my head and I have been
> researching where I can get a replacement regulator rectifier in case
> it comes to that, I have seen postings by some 912 owners who have not
> had great luck with the Ducati regulator rectifiers and have suggested
> the use of a John Deere AM101406, any thoughts on alternatives to the
> Ducati? Used a Keywest on my Model 4 that was running a Rotax 503,
> ever hear of anyone using one on a 912?
>
> Lloyd
>
> *From:*owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] *On Behalf Of *Pete
> Christensen
> *Sent:* Sunday, November 20, 2011 11:33 AM
> *To:* kitfox-list@matronics.com
> *Subject:* Re: Kitfox-List: Pre flight Problem
>
> Lloyd,
>
> I went through what you are going through 3 years ago. After a couple
> weeks of trying to troubleshoot the problem,I broke down and bought a
> new reg/rectifier.
>
> I mounted it in an aluminum heatsink, jumped in my plane and went
> flying. No more problems.
>
> Pete
>
> Leander, TX
>
> Kitfox III Sn 1000
>
> 912
>
> Sent from my iPad
>
>
> On Nov 19, 2011, at 7:22 PM, "Lloyd & Lorrie Cudnohufsky"
> <7suds@Chartermi.net <mailto:7suds@Chartermi.net>> wrote:
>
> Noel, Pete,
>
> Thanks for the replies, I have been retracing wiring and checking
> ground continuity since the weather here has kept me from getting
> the plane out of the hanger and starting it. Some of the wiring I
> did and some was from the original build and during my reviewing /
> testing I noticed that the red lead from the Kuntzelman hotbox
> that goes to the (R,+B,C) terminals on the Regulator also had a
> tap that went to a breaker on the instrument panel that feeds all
> the other breakers, not sure if I did this or if it was like that
> from the original build, either way I endorsed it because it is
> still there. Not sure if this would cause the regulator to fry,
> even if not Im not sure I like the arrangement since all the DC
> power to the panel would not be filtered through the hotbox.
> Weather is supposed to get a little more tolerable here next week,
> I think I will take you advise and see if there is a place that
> can test the regulator / rectifier for me before I continue with
> starting the engine and testing for the AC.
>
> Thank you very much for the replies,
>
> Lloyd
>
> *From:*owner-kitfox-list-server@matronics.com
> <mailto:owner-kitfox-list-server@matronics.com>
> [mailto:owner-kitfox-list-server@matronics.com] *On Behalf Of
> *Pete Christensen
> *Sent:* Friday, November 18, 2011 4:56 PM
> *To:* kitfox-list@matronics.com <mailto:kitfox-list@matronics.com>
> *Subject:* Re: Kitfox-List: Pre flight Problem
>
> Sorry Noel! Make that a Large Chance that the rectifier/regulator
> has gone on strike.
>
> Pete
> Leander, TX
> Kitfox III, 912
>
> On 11/18/2011 11:56 AM, Noel Loveys wrote:
>
> You can test the output of your alternator with an AC voltmeter.
> Output should be well over 16V at cruise RPM. Generally there are
> two things that can go wrong with an alternator.
>
> One is the brushes wear out. If this happens you will observe a
> short period of time where the system charges, doesnt charge,
> charges etc. In other words charges intermittently.
>
> Another thing that can generally go wrong with the alternator is
> the field coil can burn open. No field produced by the field coil
> no output from the alternator. Related to this is bushings on the
> alternator can wear enough to allow the field coil to short
> against the interior of the housing.... Same effect as above.
> Note the Rotax 582 engines dont have a field coil. They have a
> dirt big magnet instead so they use a system of shunting excess
> power to ground. This means if your stator coils ring out true
> the problem is probably in your regulator/rectifier.
>
> This is where I have noticed most of the problems come from. The
> rectifier regulator generally requires a good ground through the
> back of its case. First thing to do is remove the
> rectifier/regulator, clean its back and the space it will occupy
> on the firewall and reinstall it. The next thing to do is to
> locate the braid that goes from the engine to the frame of the
> plane. Make sure the connections on both ends of this braid are
> shiny clean too.
>
> There is a small chance that your rectifier/regulator has gone on
> strike. You can get it checked out at any automotive shop that
> specializes in starter motors, etc.
>
> Hope this helps
>
> Noel
>
>
> <7suds@chartermi.net <mailto:7suds@chartermi.net>>
>
> Guys,
> Getting ready for my maiden voyage and am having a problem with
> charging. My
> amp meter shows a negative draw and the volt meter shows 12 volts,
> as I turn
> things on the amp draw goes more negative. All indications are
> that the
> system is not charging, I am running a Kuntzleman Hotbox. Pretty
> sure all is
> wired correct. Any suggestions where to start? Can I check the AC
> output of
> the charging coils? Any chance that the voltage regulator would be the
> culprit?
> Also on a side note, is anyone monitoring their cooling water temp
> other
> than as CHT? If so where do you have the probe and what are you
> seeing for
> water temp?
>
> Thanks,
> Lloyd C
> 5 Outback 912ul IVO IFA
> Northern Mi.
>
>
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