[NSRCA-discussion] bullets

[Ronald Van Putte]

I am definitely not going to argue with Verne on this one.  He's had  
more experience than I do on this subject.  However, if somebody  
wants to debate the "downwind turn", let's get started.  <vbg>

Ron

On Mar 30, 2011, at 8:42 AM, <verne at twmi.rr.com> wrote:

> FWIW, the 5.5 mm connectors I used were of the slotted variety. I  
> ended up abandoning those after discovering too much variance from  
> one manufacturer to the next and sometimes within the same  
> manufacturer. I had connectors that ranged all the way from too  
> loose to make a good connection to so tight that you couldn't put  
> them together. The bulge you mention in the 4mm connectors is  
> actually the "spring" that compensates for slight tolerance  
> variances. I agree that there's not as much contact area as the  
> slotted type, but it comes down to how much is enough? From my  
> experience, the 4mm work just fine without the hassle of trying to  
> find connectors to match what you've already got on all your  
> batteries, charge leads, and so on. It gets a little pricey to  
> start all over and I've done it twice. With the 4mm, I just add as  
> I go without a hitch.
>
> Verne
>
>
>
> ---- Ronald Van Putte <vanputte at cox.net> wrote:
>
> =============
> I have gotten these "no bulge/slotted design" connectors from two
> sources:  HobbyKing and BidProduct.  You have to look at the pictures
> carefully to see that they are the "no bulge/slotted design".
>
> I really like BidProduct for acquiring large quantities of the
> smaller items, like connectors, extensions and hardware for my small
> hobby shop.  Many items can be purchased with free shipping.
>
> Ron
>
> On Mar 30, 2011, at 4:09 AM, Houdini76 at aol.com wrote:
>
>> Ron, what brand of connectors has the no bulge/slotted design?  Do
>> you use 4, 5 or 6mm?
>>
>> Rob
>>
>>
>> In a message dated 3/29/2011 8:01:08 P.M. Eastern Daylight Time,
>> vanputte at cox.net writes:
>> Good stuff Verne.
>>
>> I have noticed the difference in bullet connector design.  I used
>> to buy 3.5mm bullet connectors which had a "bulge" in the center of
>> the male part.  Recently, I noticed some 3.5mm bullet connectors
>> which had no "bulge" in the male part.  They push into the female
>> part because there's a chamfer on the tip of the male part, which
>> compresses the slotted male connector so it will fit into the
>> female part.  The big advantage of this design is that virtually
>> all of the connector is mated with the other half, unlike the ones
>> with a "bulge", which have significantly reduced contact area.
>> Then I noticed that you can buy this same design in 4mm, 5mm and
>> 6mm bullet connectors.  My opinion - these are far superior.
>>
>> Ron
>>
>> On Mar 29, 2011, at 6:30 PM, Verne Koester wrote:
>>
>>> Jerry,
>>>
>>> I started out with Deans Ultra’s. They worked fine but didn’t wear
>>> too well. The arc from connecting them together was really chewing
>>> them up. Then I switched to 5.5mm bullets. Those worked great and
>>> the arc did damage where it didn’t matter. The problem I
>>> discovered later was when I needed some more. Not all 5.5mm are
>>> created equal and I ran into some serious fit problems from one
>>> batch to the next. I noticed that most of the Europeans were using
>>> 4mm bullets. These are made a little different than the 5.5mm
>>> and     have more “spring” in them so the tolerances don’t have to
>>> be so close. Like the 5.5mm bullets, the arc damage happens on the
>>> very tip which is not part of the actual electrical connection.
>>> I’ve been very happy with the 4mm bullets and will be starting my
>>> third season with them. BTW, I never noticed any power changes
>>> from the Deans to the 5.5’s to the 4’s. Hope this helps.
>>>
>>>
>>>
>>> Verne Koester
>>>
>>>
>>>
>>> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-
>>> discussion-bounces at lists.nsrca.org] On Behalf Of Jerry Stebbins
>>> Sent: Tuesday, March 29, 2011 5:29 PM
>>> To: Discussion -NSRCA
>>> Subject: [NSRCA-discussion] bullets
>>>
>>>
>>>
>>> All E's. What size bullets have you settled on for your packs/ESC
>>> connections? Seems like something that would sorta get
>>> standardized after a lot of 70A usage. I have heard from 3.5 to
>>> 6.0. Would think it would work itself out to support the nominal
>>> max. I that most see. I am sure 3D needs all they can get but for
>>> AMA/FAI patterns seems like it otta round off pretty close for
>>> most using 5s packs.
>>>
>>> Thanks ahead
>>>
>>> Jerry
>>>
>>> _______________________________________________
>>> NSRCA-discussion mailing list
>>> NSRCA-discussion at lists.nsrca.org
>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
>> =
>>
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