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From: "Greg Ward" <gregw@onestopdesign.biz>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-2757687@logan.com>
Subject: Re: [FlyRotary] Re: More Musings...ah screw it, just shoot me!
Date: Mon, 25 Feb 2008 22:49:28 -0800
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Hey Chris;
Any pictures of the twin alternator setup?  Bracketing is my current 
problem.  I want to do this on my 20B setup also.
Thanks;
Greg

----- Original Message ----- 
From: "Christopher Barber" <CBarber@TexasAttorney.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, February 25, 2008 9:20 PM
Subject: [FlyRotary] Re: More Musings...ah screw it, just shoot me!


> Yes, two alternators, two regulators, two batteries per Bob Knuckles "The 
> Electric Connection" Z-14 drawings.  (www.aeroelectric.com). A Crossover 
> switch allows for both batteries to be used at the same time for cranking. 
> Independent systems otherwise powering there own systems, but if need be, 
> you have a complete back-up electrical system that can be called upon.
>
> Thanks for the consideration of my current dilemmas.
>
> All the best,
>
> Chris
>
>
> ----- Original Message ----- 
> From: "Bob White" <bob@bob-white.com>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Monday, February 25, 2008 10:41 PM
> Subject: [FlyRotary] Re: More Musings...ah screw it, just shoot me!
>
>
>> Hi Chris,
>>
>> Maybe I'm missing something here.  You need a regulator for the
>> alternator.  Do you have two alternators?
>>
>> Bob W.
>>
>>
>>
>> On Mon, 25 Feb 2008 21:28:39 -0600
>> "Christopher Barber" <CBarber@TexasAttorney.net> wrote:
>>
>>> Got off work and happily headed to the hangar.  I was able to get it to 
>>> start and stay pretty cool for a while as I played with the settings. 
>>> Switched from Controller A to B, back to A, disabled the Primary 
>>> Injectors, the Secondary Injectors(in succession <g>), switched back to 
>>> B, did the disable toggle spring switch with an expected drop in 
>>> RPM...switch back to center and expected RPM returns. Throttled up and 
>>> the RPM steadily increased without jumping around until it got to 4999 
>>> or so and went to zero and started jumping around above 5000 rpm......no 
>>> big deal yet as we discussed the possible noise issue yesterday and I 
>>> have not checked the problems yet.  Used my laser temp gauge to see if 
>>> the engine and the EM were kinda close, they were.  Tried out my new 
>>> Harbor Freight laser RPM gauge, but couldn't get it to work right.  Ok, 
>>> Several minutes has gone by so I shut down to let it cool.  Tried to 
>>> restart to no avail...so I decide to let the system cool for an extended 
>>> period.
>>>
>>> While waiting I decide to install my new B&C $230.00ish Regulator. 
>>> Already have one of these gems on the primary battery system and feel it 
>>> is time to install the new one that arrived a couple of weeks ago on the 
>>> Aux side of things, so I shut down all the systems, disconnect the 
>>> batteries, crimp some new connectors on some of the wires to fit the new 
>>> regulator get everything hooked back up and feel pretty good about the 
>>> night.  Heh heh heh, silly me.
>>>
>>> A while has gone by and everything seems to have cooled off.  I hold my 
>>> tongue just right and crank the engine and with some grace of the engine 
>>> Gawds the thing cranks up.  Wait...what is this...the EM is showing the 
>>> RPM, but, but oh, damn it is flashing NOP.  It was not doing that 
>>> before. Damn.  Hmmmm, the Coolant temp and Oil temp are showing exactly 
>>> the same temp at 44 degrees....lets see if they start to 
>>> raise....Agggghhh, no, they are both stuck on 44 degrees F.  Geeeez.  I 
>>> know, lets try the "B" controller and see what happens......NOOOOOOOOO, 
>>> I switch to the "B" controller and the engine starts to die. Damn, damn, 
>>> damn.  What the hell just happened?????  Thoughts????????
>>>
>>> Yes, I am disappointed in the evening that started on a positive note. 
>>> This (Monday) is my Friday night and I have the next two days to make 
>>> progress.  If'n y'all have any easy answers for me I would love to hear 
>>> 'em as I would like to think the next two days would be steps forward as 
>>> opposed to just trying to get back to where I was.  I did not even start 
>>> to troubleshoot yet as I was too frustrated and needed to walk away for 
>>> a while to sulk <g>.  Did I fry the "B": controller with a new/better 
>>> regulator.  Everything was disconnected during the install and nothing 
>>> else changed....OTHER than the instrument panel shifted from its 
>>> temporary mount just before the second start.
>>>
>>> Hopin' for some insight and perspective before I go kick my dog when I 
>>> go to the hangar tomorrow (ok, I would never kick Winston he is really a 
>>> good dog, but y'all get the idea). As always, THANKS for your support.
>>>
>>> All the best,
>>>
>>> Chris Barber
>>> Houston
>>
>>
>> -- 
>> N93BD - Rotary Powered BD-4 - http://www.bob-white.com
>> 3.8 Hours Total Time and holding
>> Cables for your rotary installation - http://roblinstores.com/cables/
>>
>> --
>> Homepage:  http://www.flyrotary.com/
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>>
>
>
>
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