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<DIV>Ohm-Off is available from CrapTech. It's on the sheld right next to
Slime-On, the glow fuel residue simulator for electric flyers.</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Rob</DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=AtwoodDon@aol.com
href="mailto:AtwoodDon@aol.com">AtwoodDon@aol.com</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, March 30, 2011 10:56
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion]
bullets</DIV>
<DIV><BR></DIV><FONT id=role_document face=Arial color=#000000 size=2>
<DIV>Yeah, that RVP is a clever guy!!! Is the 'Ohm-Off' commercially
available or reserved for Ron's 'special' friends? <IMG
src="http://cdn-cf.aol.com/se/smi/0201d20638/08"></DIV>
<DIV> </DIV>
<DIV>Don</DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 3/30/2011 8:51:53 A.M. Pacific Daylight Time, <A
href="mailto:jonlowe@aol.com">jonlowe@aol.com</A> writes:</DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT
style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2><FONT
face="Arial, Helvetica, sans-serif" color=black size=3>It's caused by a
build up of ohms and electrons. That's why RVP carries a can of "Ohm
Off" with him to clean his airplanes!<BR><BR>
<DIV style="CLEAR: both"><FONT face="Arial, Helvetica, sans-serif"
color=black><FONT face=arial color=black><SPAN class=Apple-style-span
style="FONT-SIZE: medium">Jon</SPAN></FONT></FONT></DIV><BR><BR>
<DIV
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial,helvetica">-----Original
Message-----<BR>From: AtwoodDon@aol.com<BR>To:
nsrca-discussion@lists.nsrca.org<BR>Sent: Wed, Mar 30, 2011 10:41
am<BR>Subject: Re: [NSRCA-discussion] bullets<BR><BR>
<DIV id=AOLMsgPart_3_b3f9ffab-1e3a-4d13-a41c-896fc5737e66><FONT face=Arial
color=#000000 size=2>
<DIV>I have had the same experience as Earl with regards to the Dean's Ultra
connectors. I use a Deans male as a shorting plug so it gets connected
and disconnected each flight. The spark does occur at the tip of the
negative contact and gradually erodes it but as Earl says, the tip is not
the contact surface, it is the flat side of the blade so no contact area is
lost. Over 1000 flights on one shorting plug and no problems or loss
of performance. Contact cleaner does work well at cleaning up the
gummy residue that forms. Anyone have any idea what that gummy/greasy
stuff is or where it comes from?</DIV>
<DIV> </DIV>
<DIV>Don</DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 3/30/2011 7:40:49 A.M. Pacific Daylight Time, <A
title=mailto:ejhaury@comcast.net
href="mailto:ejhaury@comcast.net">ejhaury@comcast.net</A> writes:</DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT
style="BACKGROUND-COLOR: transparent" face=Arial color=#000000
size=2>Let's leave the DWT alone!<BR><BR>I'll chime in with a different
perspective on connectors though. As <BR>mentioned, there can be a good
deal of variance with bullets. Providing good <BR>tension isn't easy and
maintaining it over repeated use is even more <BR>difficult. Some designs
work better than others and folks experiencing good <BR>service have done
their homework. Bullets are also easy to solder to heavy <BR>gauge
leads.<BR><BR>OTOH - I've very good service from the Deans Ultra. The
attractive part of <BR>the design (to me) is that they're simply buss bars
held together with <BR>spring tension. The surface area of the bars is way
more than we need for <BR>contact and the thickness is plenty for handling
the amps. They do get a <BR>little nasty looking on the ends - but I
haven't found that to significantly <BR>reduce contact area or function.
In cutting the "female" side apart after <BR>1000+ flights I found no
degradation of anything except the entrance end <BR>where the arc occurs,
the wear pattern demonstrated full contact. They are <BR>more difficult to
solder leads to and can easily be ruined in the process. <BR>If the
plastic is melted allowing the bar to become misaligned, full contact
<BR>will not be achieved.<BR><BR>Also , either connecter will benefit from
an occasional cleaning with a good <BR>contact cleaner.<BR><BR>Great to
have choices!<BR><BR>Earl<BR><BR>----- Original Message ----- <BR>From:
"Ronald Van Putte" <<A title=mailto:vanputte@cox.net
href="mailto:vanputte@cox.net">vanputte@cox.net</A>><BR>To: "General
pattern discussion" <<A title=mailto:nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>><BR>Sent:
Wednesday, March 30, 2011 9:15 AM<BR>Subject: Re: [NSRCA-discussion]
bullets<BR><BR><BR>I am definitely not going to argue with Verne on this
one. He's had<BR>more experience than I do on this subject.
However, if somebody<BR>wants to debate the "downwind turn", let's get
started. <vbg><BR><BR>Ron<BR><BR>On Mar 30, 2011, at 8:42 AM,
<<A title=mailto:verne@twmi.rr.com
href="mailto:verne@twmi.rr.com">verne@twmi.rr.com</A>>
wrote:<BR><BR>> FWIW, the 5.5 mm connectors I used were of the slotted
variety. I ended <BR>> up abandoning those after discovering too
much variance from one <BR>> manufacturer to the next and
sometimes within the same manufacturer. I <BR>> had connectors
that ranged all the way from too loose to make a good <BR>>
connection to so tight that you couldn't put them together. The
bulge you <BR>> mention in the 4mm connectors is actually the
"spring" that compensates <BR>> for slight tolerance variances. I
agree that there's not as much contact <BR>> area as the slotted
type, but it comes down to how much is enough? From <BR>> my
experience, the 4mm work just fine without the hassle of trying to
<BR>> find connectors to match what you've already got on all
your batteries, <BR>> charge leads, and so on. It gets a little
pricey to start all over and <BR>> I've done it twice. With the
4mm, I just add as I go without a hitch.<BR>><BR>>
Verne<BR>><BR>><BR>><BR>> ---- Ronald Van Putte <<A
title=mailto:vanputte@cox.net
href="mailto:vanputte@cox.net">vanputte@cox.net</A>>
wrote:<BR>><BR>> =============<BR>> I have gotten these "no
bulge/slotted design" connectors from two<BR>> sources: HobbyKing
and BidProduct. You have to look at the pictures<BR>> carefully
to see that they are the "no bulge/slotted design".<BR>><BR>> I
really like BidProduct for acquiring large quantities of the<BR>>
smaller items, like connectors, extensions and hardware for my
small<BR>> hobby shop. Many items can be purchased with free
shipping.<BR>><BR>> Ron<BR>><BR>> On Mar 30, 2011, at 4:09 AM,
<A title=mailto:Houdini76@aol.com
href="mailto:Houdini76@aol.com">Houdini76@aol.com</A>
wrote:<BR>><BR>>> Ron, what brand of connectors has the no
bulge/slotted design? Do<BR>>> you use 4, 5 or
6mm?<BR>>><BR>>> Rob<BR>>><BR>>><BR>>> In a
message dated 3/29/2011 8:01:08 P.M. Eastern Daylight Time,<BR>>> <A
title=mailto:vanputte@cox.net
href="mailto:vanputte@cox.net">vanputte@cox.net</A> writes:<BR>>>
Good stuff Verne.<BR>>><BR>>> I have noticed the difference in
bullet connector design. I used<BR>>> to buy 3.5mm bullet
connectors which had a "bulge" in the center of<BR>>> the male
part. Recently, I noticed some 3.5mm bullet connectors<BR>>>
which had no "bulge" in the male part. They push into the
female<BR>>> part because there's a chamfer on the tip of the male
part, which<BR>>> compresses the slotted male connector so it will
fit into the<BR>>> female part. The big advantage of this
design is that virtually<BR>>> all of the connector is mated with
the other half, unlike the ones<BR>>> with a "bulge", which have
significantly reduced contact area.<BR>>> Then I noticed that you
can buy this same design in 4mm, 5mm and<BR>>> 6mm bullet
connectors. My opinion - these are far
superior.<BR>>><BR>>> Ron<BR>>><BR>>> On Mar 29,
2011, at 6:30 PM, Verne Koester wrote:<BR>>><BR>>>>
Jerry,<BR>>>><BR>>>> I started out with Deans Ultra’s.
They worked fine but didn’t wear<BR>>>> too well. The arc from
connecting them together was really chewing<BR>>>> them up. Then
I switched to 5.5mm bullets. Those worked great and<BR>>>> the
arc did damage where it didn’t matter. The problem I<BR>>>>
discovered later was when I needed some more. Not all 5.5mm
are<BR>>>> created equal and I ran into some serious fit problems
from one<BR>>>> batch to the next. I noticed that most of the
Europeans were using<BR>>>> 4mm bullets. These are made a little
different than the 5.5mm<BR>>>> and have more
“spring” in them so the tolerances don’t have to<BR>>>> be so
close. Like the 5.5mm bullets, the arc damage happens on
the<BR>>>> very tip which is not part of the actual electrical
connection.<BR>>>> I’ve been very happy with the 4mm bullets and
will be starting my<BR>>>> third season with them. BTW, I never
noticed any power changes<BR>>>> from the Deans to the 5.5’s to
the 4’s. Hope this
helps.<BR>>>><BR>>>><BR>>>><BR>>>>
Verne
Koester<BR>>>><BR>>>><BR>>>><BR>>>>
From: <A title=mailto:nsrca-discussion-bounces@lists.nsrca.org
href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</A>
[<A title=mailto:nsrca-?
href="mailto:nsrca-?">mailto:nsrca-</A><BR>>>> <A
title=mailto:discussion-bounces@lists.nsrca.org
href="mailto:discussion-bounces@lists.nsrca.org">discussion-bounces@lists.nsrca.org</A>]
On Behalf Of Jerry Stebbins<BR>>>> Sent: Tuesday, March 29, 2011
5:29 PM<BR>>>> To: Discussion -NSRCA<BR>>>> Subject:
[NSRCA-discussion]
bullets<BR>>>><BR>>>><BR>>>><BR>>>>
All E's. What size bullets have you settled on for your
packs/ESC<BR>>>> connections? Seems like something that would
sorta get<BR>>>> standardized after a lot of 70A usage. I have
heard from 3.5 to<BR>>>> 6.0. Would think it would work itself
out to support the nominal<BR>>>> max. I that most see. I am sure
3D needs all they can get but for<BR>>>> AMA/FAI patterns seems
like it otta round off pretty close for<BR>>>> most using 5s
packs.<BR>>>><BR>>>> Thanks
ahead<BR>>>><BR>>>>
Jerry<BR>>>><BR>>>>
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href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion"
target=_blank>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</A><BR>>><BR>>>
=<BR>>><BR>>>
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