[NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Fri Mar 16 09:12:35 AKDT 2012

Electro Dynamics in Michigan also carries these. I do not remember their website. They do advertise in the AMA magazine and will also be at the Toledo show as well.I would trust their quality to be a lot better then Hobby King. IMO

--- On Fri, 3/16/12, Jon Lowe <jonlowe at aol.com> wrote:

From: Jon Lowe <jonlowe at aol.com>
Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC
To: nsrca-discussion at lists.nsrca.org
Date: Friday, March 16, 2012, 12:22 PM

Is this worth a shot?

http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=8356

It's disappointing that after the various radio manufacturers standardized wiring, signal timing, etc. for servos, that Futaba would move, again, in this direction.  They should make clear in their advertising that their new receivers may not be compatible with equipment you already have.  Should be considered a design defect.  All this does is hurt the customers.

Jon

-----Original Message-----

From: ehaury <ejhaury at comcast.net>

To: General pattern discussion <nsrca-discussion at lists.nsrca.org>

Sent: Fri, Mar 16, 2012 10:31 am

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

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I compared the servo pulse amplitude of the 6008HS (0.64v) and the 7008SB (0.32v) RXs. That's a significant difference, while Futaba servos are designed to work at that level, other stuff isn't. That's likely the issue with your ESC. 

Earl

----- Original Message ----- 

From: Robert Green 

To: 'General pattern discussion' 

Sent: Friday, March 16, 2012 8:44 AM

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Thanks Earl i was told that someone else in Europe was experiencing similar problems with theirs as well.  Hope they can get it resloved.

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of ehaury

Sent: Friday, March 16, 2012 8:27 AM

To: General pattern discussion

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Suggest you give Futaba service / Steve Kaluf a call. It may be that the RX pulse rise is a little low for the ESC. Futaba have, in the past at least, used a lower pulse amplitude than some others which resulted in strange results when mixing servos on occasion. If this is the case, the problem is more compatibility with the ESC than RX defect, still annoying though.

Earl

----- Original Message ----- 

From: Robert Green 

To: 'General pattern discussion' 

Sent: Friday, March 16, 2012 7:42 AM

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Ed, I don't like it either I mat try a ferrite ring, as I like the telemetry feature on the tx from the rx.  Anyone else using the 18MZ receiver seeing any issues with the motor cutting out?

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Ed White

Sent: Friday, March 16, 2012 6:56 AM

To: General pattern discussion

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Robert,

The only way I can think of that this is a receiver problem is that motor or ESC noise is being picked up on the ESC lines (any or all) and the 8 channel Rx is somehow more tolerant of the noise or better able to filter it than the other Rx.  I would be uncomfortable at leaving this at - I have to use my old receiver.   

Ed

From: Ronald Van Putte <vanputte at cox.net>

To: General pattern discussion <nsrca-discussion at lists.nsrca.org>

Sent: Thu, March 15, 2012 10:14:28 PM

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Wait a minute. "The problem was with the receiver." doesn't quite cut it.  What was the problem?  

I'm glad you got the problem "solved", but you can't trust that receiver until you identify the problem.  BTW, "I don't know" is a perfectly valid answer, but you could save somebody else a lot of grief if you know what was wrong with the receiver.

Ron

On Mar 15, 2012, at 8:26 PM, Robert Green wrote:

Well I think I found the issue with the Jeti and the Plettenberg.  The problem was with the receiver.  I recently got a new radio, and installed the new rx in the plane, and then the issue started showing up.  I even went and borrowed a Jeti99Spin, to see if this would resolve the issue, but it did not, so I started to think of everything that I had changed, and decided to go back to my 8 channel receiver and voila, everything is back to normal.  Thanks to everyone for there input.  Feels good to have the problem behind me

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Robert Campbell

Sent: Thursday, March 15, 2012 8:38 AM

To: General pattern discussion

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

My suggestion to limit throttle isn't to limit current draw.  It's to limit the motor RPM's so the ESC can remain synchronized with the motor.  If the motor turns faster than the ESC can handle, the motor will begin screeching.  I've only seen this on outrunners, never inrunners.

Rob

----- Original Message ----- 

From: Bob Richards 

To: General pattern discussion 

Sent: Thursday, March 15, 2012 7:55 AM

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

That was my thought. I don't understand why one would want to limit the throttle to something less than full. Why not install a prop that loads the motor less?

Bob R.

--- On Thu, 3/15/12, Peter Vogel <vogel.peter at gmail.com> wrote:

From: Peter Vogel <vogel.peter at gmail.com>

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

To: " General pattern discussion " <nsrca-discussion at lists.nsrca.org>

Cc: "General patterndiscussion" <nsrca-discussion at lists.nsrca.org>

Date: Thursday, March 15, 2012, 12:15 AM

Limiting throttle does NOT limit current to the motor, in fact, it can cause higher current draw.  All throttle does is vary the on vs off cycle during which voltage is sent to the motor. 

Peter+

Sent from my iPhone4S

On Mar 14, 2012, at 7:29 PM, "Robert Green" <robcase1 at cox.net> wrote:

Hi Rob, the Static amps on the ground is 81 amps.  My throttle is limited to 85 percent.  Even changed out the speed controller and the same thing happened.   Really wish i knew what was going on?

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Robert Campbell

Sent: Wednesday, March 14, 2012 9:18 PM

To: General pattern discussion

Subject: Re: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Robert,

Which Jeti are you running?  Advance or Spin?  Just a guess, but all the outrunners I've run require low timing advance and some require fixed end points and the throttle to be limited to 70 percent or so.  Also, have your checked your set-up on a watt meter?  Sometimes our set-ups pull more current than we were expecting and the ESC over current protection kicks in.

Hope this helps.

Rob

----- Original Message ----- 

From: Robert Green 

To: 'General pattern discussion' 

Sent: Wednesday, March 14, 2012 8:19 PM

Subject: [NSRCA-discussion] Plettenberg 30-10 evo and Jeti ESC

Is anyone out there running this combo.  Went flying today, and had some issue with the speed controller cutting out when i was setting up for my approach into the pattern.  I was pulling up and advanced the throttle to do an reverse cuban eight to get into my pattern, when the motor suddenly quit.  I pulled the throttle back and advanced it once again and the motor came back it did this on every flight except the first flight where i had no issues whatsoever.  my setting are high timing for the motor, low cut off voltage, acceleration high, 

thnaks in advance 

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