Mailing List flyrotary@lancaironline.net Message #58612
From: Ernest Christley <echristley@att.net>
Subject: Re: [FlyRotary] Re: Electrical
Date: Wed, 18 Jul 2012 11:50:54 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
It's working for me, but I'm just doing tuning run-ups right now.  Todd Batrim has also used an inline generator.



Chad Robinson <crobinson@medialantern.com> wrote:

>There are units like this that may work, but this particular unit isn't
>suitable for a lot of the rotaries out there. It has a Vne of 110mph,
>and only puts out 4A. That's not enough to drive an ECU, ignition
>subsystem, fuel pump(s), etc. You'd have to have a magneto-driven engine
>and a mechanical fuel pump. Maybe somebody with a 1-rotor could manage it?
>
>While we're on the topic, didn't somebody do some engineering work
>related to installing a small generator/alternator on the redrive
>mounting plate to interface with the flex plate's ring gear? I can't
>remember where that was left.
>
>On 7/18/12 9:37 AM, Eric Deslauriers wrote:
>>
>> Why not stick one of these under your cowls...
>>
>> http://www.aircraftspruce.ca/catalog/eppages/gennipod.php
>>
>> *Eric Deslauriers*, CPA, CMA
>> Directeur principal / Senior manager
>>
>> Juricomptabilité et évaluation d'entreprises /
>>
>> Forensic accounting and business valuation
>>
>> 1800, av. McGill College, bureau 600
>>
>> Montréal (Québec)  H3A 3J6
>>
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>>
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>>
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>>
>> *De :*Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
>> *De la part de* ARGOLDMAN@aol.com
>> *Envoyé :* 17 juillet 2012 16:04
>> *À :* Rotary motors in aircraft
>> *Objet :* [FlyRotary] Re: Electrical
>>
>> Anybody thinking about the LI  (Ballistic) batteries. Their power and
>> specs (2-4Lbs) seem too good to be true. Apparently they have solved
>> the fire problem plaguing cell phone and computer batteries.
>>
>> Starting should be no problem. I do wonder about their, as well
>> as AGM,  capacity in the case of Alternator failure. (time with power)
>>
>> Am knee deep in wiring as I write this. Trying to decide on dual
>> alternators.
>>
>> The rotaries are hungry for electricity (EFI, EI, fuel pumps, etc).
>>
>> My primary alternator is the standard Renesis 100A type. I will
>> externally regulate it. The aux, --unknown --possibly a 20A B&C, I
>> have their aux that fits into the vacuum drive.
>>
>> Rich
>>
>> In a message dated 7/17/2012 2:35:50 P.M. Central Daylight Time,
>> BRogers@FDIC.gov <mailto:BRogers@FDIC.gov> writes:
>>
>>     The Odyssey PC 680 is more than enough to start your engine That
>>     is what I use.  See the following link.
>>     http://www.odysseybatteries.com/battery/pc680series.htm
>>
>>     Bob J. Rogers
>>
>>     Mustang II - N62BT
>>
>>     Mazda 13b Turbo
>>
>>     -----Original Message-----
>>     From: Rotary motors in
>>     aircraft[mailto:flyrotary@lancaironline.net]
>>     <mailto:[mailto:flyrotary@lancaironline.net]> On Behalf Of Tracy
>>     Sent: Tuesday, July 17, 2012 2:18 PM
>>     To: Rotary motors in aircraft
>>     Subject: [FlyRotary] Re: Electrical
>>
>>     I used Odessy (sp?) AGM type batteries.  17 AH in the -4, 28 AH in
>>     the -8.
>>
>>     Tracy
>>
>>     Sent from my iPad
>>
>>     On Jul 17, 2012, at 8:14 AM, Stephen Izett <steveizett@me.com
>>     <mailto:steveizett@me.com>> wrote:
>>
>>     > Thanks Tracy
>>
>>     > I'll look forward to reading your notes when you can send it.
>>
>>     > What battery/s do you/have you use?
>>
>>     >
>>
>>     > Cheers
>>
>>     >
>>
>>     > Steve
>>
>>     > On 17/07/2012, at 10:04 PM, Tracywrote:
>>
>>     >
>>
>>     >> Hi Steve,   I sent it to the list just before leaving on
>>     vacation.  Unfortunately I later found that the message got
>>     bounced for size limitations.  Can't seem to edit it down to size
>>     on this iPad so will do that when I get back in August.   Will see
>>     if I can find a picture editing utility that works on iPad and
>>     maybe get it done sooner.
>>
>>     >>
>>
>>     >> My RV4 & 8 have just the basics,  stock RX-7 alternator and a
>>     single battery that I check for capacity every annual.   The
>>     significant details are in the PHYSICAL details of the layout.
>>     Digital electronics and inductive spikes from coils, solenoids,
>>     injectors, etc see a long wire as an open circuit during the first
>>     few nanoseconds.   This is the factor that is most difficult for
>>     builders not familiar with electronics to understand.  This isn't
>>     important with carburetors, distributors & points or magnetos but
>>     when you introduce a digital computer into the mix it's a
>>     different story.
>>
>>     >>
>>
>>     >> Tracy
>>
>>     >>
>>
>>     >> Sent from my iPad
>>
>>     >>
>>
>>     >> On Jul 16, 2012, at 10:55 PM, Stephen Izett <steveizett@me.com
>>     <mailto:steveizett@me.com>> wrote:
>>
>>     >>
>>
>>     >>> Tracy
>>
>>     >>>
>>
>>     >>> Have you got any further with your electrical wiring description
>>     you mentioned earlier.
>>
>>     >>> Also, what setup do you have in the RV4 & 8 ?
>>
>>     >>> What battery/s electrical system do you employ?
>>
>>     >>>
>>
>>     >>> Steve Izett
>>
>>     >>>
>>
>>     >>> --
>>
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>>
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>>
>>     >>
>>
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>>
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>>     >
>>
>>     >
>>
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>>
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>>
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