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Model Forum / Radio Controlled / Air Models / January 2006



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Anyone recognize this battery connector?

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fleh@blah.com - 03 Jun 2004 00:22 GMT
Hi.

I have the draganfly IV helicopter, which uses
11.1 V Li-Po batteries, with the connector
shown in this photo:
http://www.cooper.edu/~wolf/connector.jpg

Does anyone recognize the conector?
I've found a much cheaper source
for the batteries, but I need to get my
hands on several of the connectors,
since I have to mate the batteries
to the connector on the motherboard.

The vertical dimension (height) of the
connector is about 7/8 of an inch.

Thanks!
Vance - 03 Jun 2004 01:08 GMT
> Hi.
>
[quoted text clipped - 14 lines]
>
> Thanks!
I don't know what its called, but I saw something similar to that at a
radio shack in town

Signature

Hugs are great gifts,
One size fits all.

David AMA40795 / KC5UH - 03 Jun 2004 02:28 GMT
Looks like one of the Yazaki variants.  Yazaki connectors are
impossible for individuals to get.  Cut it off the heli and put on
something like a Dean's.

David

>Hi.
>
[quoted text clipped - 14 lines]
>
>Thanks!
Tom Johnson - 03 Jun 2004 06:25 GMT
I believe the ones at Radio Shack are a Molex type connector. You can
buy better quality Molex (brand) connectors from a commercial
electronics supplier, such as Graybar. They are very similar to the
photo you posted.

Tom
C.O.Jones - 03 Jun 2004 10:46 GMT
Lots of loss with connectors of this type.  You're probably using a
measurable amount of the battery power just getting through these
connectors.  Power that could translate into longer flight time and better
performance.

As I think someone suggested, you'd be better off with changing out all
connectors to something like a Sermos or Deans. You can find both through
Tower, Hobby Lobby or probably at your LHS.

Chuck

> Hi.
>
[quoted text clipped - 14 lines]
>
> Thanks!
Mike Dennett - 03 Jun 2004 18:29 GMT
That's true, but the mating connector is soldered directly to the
"motherboard" of the Draganflyer. However it's not an insurmountable
problem.

I have one here at work, and it's actually fun to fly. I've been flying
airplanes for 25 years plus, but helicopters are new to me and I am getting
a taste of "newbie" orientation problems all over again. Fun challenge! And
what a laugh with LiPoly batteries - 15 minutes hover time or so.

Mike D.

> Lots of loss with connectors of this type.  You're probably using a
> measurable amount of the battery power just getting through these
[quoted text clipped - 6 lines]
>
> Chuck
Bill Fulmer - 03 Jun 2004 16:09 GMT
I don't recognize that particular connector, but it appears to be about the
same size & type as the "Mini" Tamiya plug carried by Maxx Products
(#2913)...

Fact is, this type of plug is notorious for power loss (voltage drop due to
high resistance).  There are much better aftermarket plugs available.

Cheers,

Bill
> Hi.
>
[quoted text clipped - 14 lines]
>
> Thanks!
ajc3487 - 22 Jan 2006 01:59 GMT
can anyone post their DF battery connector mods?  thanks in advance.

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ajc3487

 
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