[NSRCA-discussion] Voltage regulatormaintenance/replacement/reliability

[dwaynenancy]

Jim Oddino makes a very good regulator. He can be reached here. Dwayne

joddino at socal.rr.com

Wayne Galligan wrote:

> Chris,
> I have been using the MPI Miracle switch now for 5 yrs and 6 different 
> planes with no failures of the electronics. I have had two of them 
> where the case has broken or the tab where the screw holds it has 
> broken. Maybe I tightened them too much. I have concidered just using 
> a H.D. Futaba switch and not using a regulator just to keep one more 
> point of failure out of the equation.
> Wayne Galligan
>
>     ----- Original Message -----
>     *From:* White, Chris <mailto:chris at ssd.fsi.com>
>     *To:* NSRCA Mailing List <mailto:nsrca-discussion at lists.nsrca.org>
>     *Sent:* Friday, June 16, 2006 7:25 AM
>     *Subject:* [NSRCA-discussion] Voltage
>     regulatormaintenance/replacement/reliability
>
>     I know when a regulator fails when using a li-on battery the
>     results are catastrophic. (lost one that way with a miracle
>     switch) How often should a voltage regulator be replaced? Is one
>     VR better than another? Are there any checks which can be done to
>     curtail disaster.
>
>     At this point I prefer flying 5C non-regulated nimh or
>     nicads….just to take the VR out of the loop. I still have an
>     airplane which has Li-on’s and am thinking hard about how far I
>     should push the regulator. Airplane is probably 5-6 years old and
>     equipment is probably original radio stuff. I have 153 flights on
>     it myself and don’t know how many the previous owners put on it.
>     (The onboard Li-on is 2004 with the 153 flights….should it be
>     replaced?)
>
>     Your input is appreciated!
>
>     Chris
>
>     ------------------------------------------------------------------------
>
>     *From:* nsrca-discussion-bounces at lists.nsrca.org
>     [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of
>     *John Ferrell
>     *Sent:* Thursday, June 15, 2006 4:48 PM
>     *To:* NSRCA Mailing List
>     *Subject:* Re: [NSRCA-discussion] JR and un-regulated 6V
>
>     Three-terminal regulators dissipate the unused part of the power.
>
>     My Prophecy takes about 135 mils per flight to recharge. There are
>     a lot of factors that affect this number, especially airframe
>     vibration.
>
>     I keep an eye on it and am more worried about it being consistent
>     rather than some value.
>
>     John Ferrell W8CCW
>     "My Competition is not my enemy"
>     http://DixieNC.US
>
>         ----- Original Message -----
>
>         *From:* Wayne Galligan <mailto:wgalligan at goodsonacura.com>
>
>         *To:* NSRCA Mailing List
>         <mailto:nsrca-discussion at lists.nsrca.org>
>
>         *Sent:* Thursday, June 15, 2006 10:21 AM
>
>         *Subject:* Re: [NSRCA-discussion] JR and un-regulated 6V
>
>         Does running a regulator, like a 5.1v-5.5v or 6.0v regulator,
>         have any signifigant draw on the battery as it regulates the
>         voltage? I have been using the MPI Miracle switch that
>         regulates to 6v. I can get (4) 15 min flights on a 1650mil
>         NiMh pack(Sanyo) before my ESC says to stop flying.
>
>         I will put back about 700-750 mil on the recharge.
>
>         Wayne Galligan
>
>             ----- Original Message -----
>
>             *From:* White, Chris <mailto:chris at ssd.fsi.com>
>
>             *To:* NSRCA Mailing List
>             <mailto:nsrca-discussion at lists.nsrca.org>
>
>             *Sent:* Thursday, June 15, 2006 7:54 AM
>
>             *Subject:* Re: [NSRCA-discussion] JR and un-regulated 6V
>
>             Hi Matt,
>
>             Are you using low-impedence nimh packs? Would you divulge
>             your battery source?
>
>             Thanks, Chris
>
>             ------------------------------------------------------------------------
>
>             *From:* nsrca-discussion-bounces at lists.nsrca.org
>             <mailto:nsrca-discussion-bounces at lists.nsrca.org>
>             [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On
>             Behalf Of *rcmaster199 at aol.com <mailto:rcmaster199 at aol.com>
>             *Sent:* Wednesday, June 14, 2006 5:03 PM
>             *To:* nsrca-discussion at lists.nsrca.org
>             <mailto:nsrca-discussion at lists.nsrca.org>
>             *Subject:* Re: [NSRCA-discussion] JR and un-regulated 6V
>
>             I am doing that with NO problems. Fast charged on the way
>             to field most of the time, with a Serius fast charger. In
>             my set-up, a 1650ma NiMH lasts about 3 flights longer than
>             a 4 cell pack of equivalent capacity. Equivalent ending
>             cell voltages of 1.20v unloaded (1.15V loaded with 1000 ma
>             draw) for either battery.
>
>             Getting greater torque and speed as well as longer flight
>             time. Best all around
>
>             MattK
>
>
>             -----Original Message-----
>             From: Gene Maurice <gene.maurice at comcast.net>
>             To: 'NSRCA Mailing List' <nsrca-discussion at lists.nsrca.org>
>             Sent: Wed, 14 Jun 2006 15:36:18 -0500
>             Subject: [NSRCA-discussion] JR and un-regulated 6V
>
>             Anyone aware of any issues running unregulated 6v Nimh
>             pack with JR Digital
>
>             servos??
>
>             Gene Maurice
>
>             gene.maurice at comcast.net <mailto:gene.maurice%40comcast.net>
>
>             Plano, TX
>
>             AMA 3408, NSRCA 877
>
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