-----Original Message-----
From: Greg Page <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Friday, January 21, 2000 3:26 PM
Subject: Re: DBF Q&A #5


>The 5 lb limit is for the pack.  It will have to be weighed during the tech
>inspection.  I suppose you could remove the connector if it is really that
>heavy for the tech inspection (as long as the leads are well insulated when
>the connector is off).  We use Sermos  (may be Cermos) connectors, which
>are quite light and easy to use, so would likely not affect your pack
>weight enough to matter.  If you are cutting it that close on pack weight,
>don't forget to allow for the solder tabs and shrink wrap weights, they
>will both add to the manufacturer quoted bare cell weights when the pack is
>assembled.
>
>You can get the connectors through hobby shops, or McMaster Carr industrial
>supply (732-329-3200, their part number is 8026K1 for 30A rating and 8026K2
>for 75A rating.  We have never needed to use the 75A connectors even with
>short durations above the 30A rating.  It takes one of the above connectors
>for each wire end (ie. 4 to connect a battery pack to a wire harness).
>
>-Greg
>
>
>
>At 03:02 PM 1/21/00 -0500, you wrote:
>>Mr. Page,
>>         We have a very urgent question, as it is holding up our
production
>>right now.  Does the 5 pound battery limit include connectors and such, or
>>is that just manufacturers battery weight?  Will we have to take our
>>battery packs out of the plane and have them weighed?  We need to know as
>>soon as possible, because adding one more cell or taking away one cell
>>would mean a change in our design.  Thank you.
>>
>>Brady Ruck
>>Miami University (OH) Design/Build/Fly team
>
>Gregory S. Page
>Formula 402
>
>email: [log in to unmask]
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>