REFLECTOR: Battery options

John Abraham john at velocityaircraft.com
Tue Feb 11 18:44:28 CST 2014


I run two of these in the plane. 

http://www.braillebattery.com/index.php/braille/product_batteries/b2015

A little higher cranking amps than the odyssey. 

John

> On Feb 11, 2014, at 6:50 PM, Michael Watson <mikewatsspg at gmail.com> wrote:
> 
> I did the same as John, ford motor on Franklin gears.
> 
> Mike W.
> 
> 
> 
>> On Tue, Feb 11, 2014 at 6:26 PM, John Dibble <aminetech at bluefrog.com> wrote:
>> I use the motor from the Honda starter and mount it on the gear that comes with the Franklin.  It holds up better for hot starts and has better torque.
>> 
>> John
>> 
>> 
>>> On 2/11/2014 4:32 PM, Randy Monzelowsky wrote:
>>> Maybe I’ve been under my rock for too long….a Honda Starter on a Franklin?!
>>> 
>>> Q: Is there any modification (to starter or block) necessary to make that fitment?
>>> 
>>> What are the primary benefits…ie- better torque, higher rpm, reduced weight?
>>> 
>>>  
>>> 
>>> Randy C Monzelowsky  N97VE
>>> 
>>> Phone: (701)663-8815
>>> 
>>> FAX:  (701)663-8838
>>> 
>>> www.DakotaCaulking.com
>>> 
>>>  
>>> 
>>> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of WJ Wilbeck
>>> Sent: Tuesday, February 11, 2014 4:15 PM
>>> To: 'Velocity Aircraft Owners and Builders list'
>>> Subject: Re: REFLECTOR: Battery options
>>> 
>>>  
>>> 
>>> On my Franklin, Hot starts we iffy.  I changed to a Honda starter and it starts great now.
>>> 
>>>  
>>> 
>>> WJ Wilbeck
>>> 
>>> 620-727-3596
>>> 
>>>  
>>> 
>>> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Hiroo Umeno
>>> Sent: Tuesday, February 11, 2014 1:29 PM
>>> To: Velocity Aircraft Owners and Builders list
>>> Subject: REFLECTOR: Battery options
>>> 
>>>  
>>> 
>>> Fellow builders,
>>> 
>>>  
>>> 
>>> I have two Odyssey PC680s in the nose of my plane wired in parallel.  While this setup works for the most part, starting the big 6 cylinder Franklin can be a bit tasking.
>>> 
>>>  
>>> 
>>> I am considering doing something about it when we take the plane apart for condition inspection and upgrade next winter.  So…
>>> 
>>>  
>>> 
>>> ·       Would it make sense to move the batteries to the rear bulkhead close to CG assuming the W&B issue can be worked out in the nose?  This will reduce the wire run length.
>>> 
>>> ·       Would it make sense to keep the batteries where they are now in the nose and add additional 0-gauge wires (and back) to reduce current loss?
>>> 
>>>  
>>> 
>>> I know that going to 24V system will give me less current to drive the starter but that is a fairly extensive change on the rest of the aircraft systems.
>>> 
>>>  
>>> 
>>> Any other ideas?
>>> 
>>>  
>>> 
>>> Hiroo
>>> 
>>>  
>>> 
>>> 
>>> 
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>> 
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