REFLECTOR: Franklin Alternator

[Michael Watson]

That explains it. I'm a lightweight 155 lbs fully clothed, need to eat more
junk food.


On Tue, Nov 10, 2009 at 1:22 PM, Laurence Coen <lwcoen at hotmail.com> wrote:

>  Mike,
>
> Our planes must be pretty close.  I weigh 180# and if I do a W&B with 75#
> at the co-pilot position my CG is 119.8.  I fly solo with no weight added up
> front and am still within the CG envelope.  This puts me close to the aft CG
> but not beyond.  The advantage is that I get reduced ground roll on
> take-off.
>
> My battery is an Optima spiral cell, 65 Amp/hr, 45 pound monster (CG
> helper).  It too spins the prop real lively.
>
> Larry Coen
> N136LC
>
>  *From:* Michael Watson <mikewatsspg at gmail.com>
> *Sent:* Tuesday, November 10, 2009 10:22 AM
> *To:* Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> *Subject:* Re: REFLECTOR: Franklin Alternator
>
> Larry,
>
> I'm really not that close. Flying alone, and with 75 lbs. in three leather
> bags of
> shotgun lead (25 lbs each) under the co-pilot seat, my cg is *119.5*. My
> airframe
> was built very light, the problem is the weight of the Franklin engine and
> accessories
> back there. It's a good thing that the IVO prop is very light.
>
> Yesterday, I replaced my concord battery with a Odyssey PC 1200 mj so that
> added 4 lbs to the arm at 28 inches. The Odyssey spun the engine so fast I
> thought it was idling.
>
>
> On Mon, Nov 9, 2009 at 10:33 PM, Laurence Coen <lwcoen at hotmail.com> wrote:
>
>>  Mike,
>>
>> I ran a W&B and 4# at the alternator arm moved the CG 0.1" aft.  If you're
>> that close don't ever fly naked.
>>
>> Larry Coen
>> N136LC
>>
>>  *From:* Michael Watson <mikewatsspg at gmail.com>
>> *Sent:* Monday, November 09, 2009 2:30 PM
>> *To:* Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>> *Subject:* Re: REFLECTOR: Franklin Alternator
>>
>> Thanks John,
>>
>> I got an 70 amp Mitsubishi alternator out of a late model Honda, it fits
>> perfectly but it's 4 lbs
>> heaver than the one have. My CG is too far aft as it is, I hate to add
>> more weight back there.
>> Was looking for a lighter alternative.
>>
>> BTW: a couple of years ago, I remember you made a post asking if you
>> reduced
>> the space between the top of your arm pit scoop and the wing from 1 inch
>> to 1/2
>> inch, if it would pump more air into the plenum.
>>
>> Did you reduce the area and did it reduce your CHT's ???
>>
>>
>>
>> On Mon, Nov 9, 2009 at 2:51 PM, <aminetech at bluefrog.com> wrote:
>>
>>>  Mike,
>>>
>>> Mine is belt driven.  Seems like it shouldn't be hard to find one that
>>> fits.
>>>
>>> John
>>>
>>>
>>> --- mikewatsspg at gmail.com wrote:
>>>
>>> From: Michael Watson <mikewatsspg at gmail.com>
>>> To: Reflector <reflector at tvbf.org>
>>> Subject: REFLECTOR: Franklin Alternator
>>> Date: Mon, 9 Nov 2009 14:36:37 -0500
>>>
>>>
>>> Posted this before but go no replies, thought I'd post again.
>>>
>>> My engine was purchased from Atlas Motors and came with a 35A
>>> alternator. Now that I have installed dual GRT HX EFIS, the little
>>> alternator is just not up to the task.
>>>
>>> B&C Dose not make an alternator to fit the Franklin.
>>> Which alternator are you Franklin drivers using.
>>>
>>> PS. 60 ~ 70 Amps.
>>>
>>>
>>>
>>>
>>> --
>>> Mike W.
>>> 1997 Velocity Elite RG
>>> Franklin /IVO Electric CS
>>> Dual GRT EFIS HX Synthetic Vision
>>> _______________________________________________ To change your email
>>> address, visit http://www.tvbf.org/mailman/listinfo/reflector Visit the
>>> gallery! www.tvbf.org/gallery user:pw = tvbf:jamaicangoose Check new
>>> archives: www.tvbf.org/pipermail Check old archives:
>>> http://www.tvbf.org/archives/velocity/maillist.html
>>>
>>> _______________________________________________
>>> To change your email address, visit
>>> http://www.tvbf.org/mailman/listinfo/reflector
>>>
>>> Visit the gallery!  www.tvbf.org/gallery
>>> user:pw = tvbf:jamaicangoose
>>> Check new archives: www.tvbf.org/pipermail
>>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>>
>>
>>
>>
>> --
>> Mike W.
>> 1997 Velocity Elite RG
>> Franklin /IVO Electric CS
>> Dual GRT EFIS HX Synthetic Vision
>>
>> ------------------------------
>>
>> _______________________________________________
>> To change your email address, visit
>> http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery!  www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>
>> _______________________________________________
>> To change your email address, visit
>> http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery!  www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>
>
>
>
> --
> Mike W.
> 1997 Velocity Elite RG
> Franklin /IVO Electric CS
> Dual GRT EFIS HX Synthetic Vision
>
> ------------------------------
>
> _______________________________________________
>
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>



-- 
Mike W.
1997 Velocity Elite RG
Franklin /IVO Electric CS
Dual GRT EFIS HX Synthetic Vision
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.tvbf.org/mailman/private/reflector/attachments/20091110/58b25d89/attachment-0001.htm>