<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>I am using a Hyde ARA70, centarl hobbies nose ring. It seems loose enough.</DIV>
<DIV> </DIV>
<DIV>The aileron servos are 9252s...I tested them on the bench and could find nothing wrong.</DIV>
<DIV> </DIV>
<DIV>I'm going to take the readings again with the shorter arms.<BR><BR>--- On <B>Sat, 5/2/09, Jon Lowe <I><jonlowe@aol.com></I></B> wrote:<BR></DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid"><BR>From: Jon Lowe <jonlowe@aol.com><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: nsrca-discussion@lists.nsrca.org<BR>Received: Saturday, May 2, 2009, 1:48 PM<BR><BR>
<DIV class=plainMail>What mount are you using? Hyde? Budd? If Hyde, which model? How tight is your nose ring? Too tight can transfer a lot of vibration. Should be a loose fit on the front of the engine.<BR><BR>I've done some testing with a Hanger 9 current meter, and your engine off draw is about right. I see around .9 to 1 amp at idle, and 1.6 to 2 amps at full throttle, using a Hyde mount with a YS 1.70. This, of course, is on the ground. How airloads dampen the oscillations, I have no idea.<BR><BR>Have you checked your aileron servos for dead spots around neutral? Are your servo gears getting sloppy? They can start oscillating with the engine running, and really kick up the amps. Put a servo tester on them with a slow sweep and see if there is any hesitation in movement of the servo thruout its travel. I've had a single aileron servo draw 1.5 amps by itself if it
started self oscillating due to a worn pot.<BR><BR>I'd get rid of the long arms. Are you at about 130% or more ATV at high rates? If not, do that first to get more travel.<BR><BR><BR>Jon Lowe<BR><BR><BR>-----Original Message-----<BR>From: colin chariandy <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>><BR>To: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>; <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>; Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Sent: Sat, 2 May 2009 11:16 am<BR>Subject: Re: [NSRCA-discussion] JR
DSM glitch - trouble-shooting.<BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>I know most are probabl<BR>y fed up of this but I've got some info that may help others...<BR><BR><BR> <BR><BR><BR>After changing the regulator, battery and throttle servo I checked the regulator load as follows:<BR><BR><BR> <BR><BR><BR>Bench - 160mA.<BR><BR><BR>Feild, Engine off, windy day - 160-200mA<BR><BR><BR>Engine idle - 1.6A!!<BR><BR><BR>Mid power (roughest) - 2.0A!!!!<BR><BR><BR> <BR><BR><BR>I tried to isolate the high draw by holding each control. When I held the two ailerons it dropped to 680mA from 2.0A.<BR><BR><BR> <BR><BR><BR>This year, in an attempt to speed up my snaps I changed to dubro super long servo arms.<BR><BR><BR> <BR><BR><BR>I'll need to improve the settings on the engine to smooth it out a bit and/or go back to the shorter arms.<BR><BR><BR> <BR><BR><BR>With this set-up I would have to consume 300-400mAhrs per
flight. I typically fly 4-5 flights....that's too close to the limit for a 2000mAhr pack and could easily have cost me the plane if I wasnt checking between flights. For what ever the reason the rx shut down on the ground....I am very grateful<BR><BR><BR> <BR><BR><BR>Anyone using long arms with big 4Cs, ensure that you arent taking too much out of your packs.<BR><BR><BR> <BR><BR><BR>Now...any advice on how to smooth out the mid range on the 170? Top end is amazing, idle is reliable...what should I change?<BR><BR><BR> <BR><BR><BR>Colin.<BR><BR>--- On Tue, 4/28/09, Ed Alt <ed_alt@ho<BR>tmail.com> wrote:<BR><BR><BR><BR><BR>From: Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Subject: RE: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca"
ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A><BR>Received: Tuesday, April 28, 2009, 11:15 AM<BR><BR><BR><BR><BR><BR>Handle the problem as you see fit, I've done my best to give you advice that has always served me well. Good luck!<BR> <BR>Ed<BR> <BR><BR><BR>------------------------------------------------------------<BR><BR>Date: Tue, 28 Apr 2009 05:19:28 -0700<BR>From: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: <A
href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>; <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>; <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>Additionally, if the average for flight was 0.16A then we would only consume 21mAhr in a typical 8min flight. Not the case, it's more like 150mAhr.<BR><BR><BR> <BR><BR><BR>Colin<BR><BR>--- On Tue, 4/28/09, colin chariandy <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>> wrote:<BR><BR><BR><BR><BR>From: colin chariandy <<A
href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: "General pattern discussion" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>, "Ed Alt" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Received: Tuesday, April 28, 2009, 8:12 AM<BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>Binding in the neutral position????<BR><BR><BR> <BR><BR><BR>Everything is free, I can't find any mechanical problems.<BR><BR>--- On
Tue, 4/28/09, Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>>=2<BR>0wrote:<BR><BR><BR><BR><BR>From: Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: "colin chariandy" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>>, "General pattern discussion" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A><BR>Received:
Tuesday, April 28, 2009, 12:28 AM<BR><BR><BR><BR><BR><BR><BR><BR>The idle current of 0.16A is about as high as your avwerage current for model in flight should be. Something is binding.<BR><BR><BR><BR><BR>----- Original Message -----<BR><BR><BR>From: colin chariandy<BR><BR><BR>To: General pattern discussion ; <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A> ; Ed Alt<BR><BR><BR>Sent: Tuesday, April 28, 2009 12:04 AM<BR><BR><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>Just tried the same using the regulator from my back-up (same except not switched) and a new throttle servo.<BR><BR><BR> <BR><BR><BR>Throttle servo amps increased to 0.35A max.<BR><BR><BR> <BR><BR><BR>Although the package was labelled 6.0V the output is 5.7V and min output was
5.5V.<BR><BR><BR> <BR><BR><BR>After a minute of servo wagging it was hotter than the original.<BR><BR>--- On Mon, 4/27/09, colin chariandy <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>> wrote:<BR><BR><BR><BR><BR>From: colin chariandy <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: "General pattern discussion" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>, "Ed Alt" <<A
href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Received: Monday, April 27,<BR>2009, 9:22 PM<BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>Ok, although this is a 1 year old airplane with 150 flights I checked the current draw after the regulator with all servos energized and the engine off.<BR><BR><BR> <BR><BR><BR>I used a "watts up" meter that logs peaks (but I'm not sure what the sampling fequency is).<BR><BR><BR> <BR><BR><BR>Idle current - 0.16A.<BR><BR><BR>Throttle servo movement max - 0.25A (doesnt seem like a problem but it's a little more noisy than a new one).<BR><BR><BR>All other servos - 0.22-0.24 A max.<BR><BR><BR>Moving all servos together rapidly - 1.72A max.<BR><BR><BR>Regulator output min - 5.82V<BR><BR><BR> <BR><BR><BR>I did this (moved all the servos rapidly for 1 min) and checked the little heat sink at the end of
the regulator chip...quite warm, almost hot.<BR><BR><BR> <BR><BR><BR>I may try this again with the engine running and compare the results.<BR><BR><BR> <BR><BR><BR>Colin.<BR><BR>--- On Mon, 4/27/09, Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>> wrote:<BR><BR><BR><BR><BR>From: Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: "General pattern discussion" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>>, "colin chariandy " <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca"
ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A><BR>Received: Monday, April 27, 2009, 6:24 PM<BR><BR><BR><BR>This is easy to resolve. Nothing high tech is needed. One by one, move your controls and carefully watch to see if it looks l<BR>ike the any of them are straining at the end of their maximum travel. Check the throttle in particular. I have seen digital servo cases melt from having the throw set up further than the linkage will allow. If that's not it, disconnect the linkages at servo and work the control surface by hand. If it does not move very freely, fix it. If you don't find the problem there, work the servos around in a 10 minute mock flight on the ground, except exaggerate the movements considerably since there will be no air load and
engine vibration to add to the load. Listen to each servo. If it sounds like it's having a problem, remove it and check it out on the bench. If there's nothing obviously wrong by the sound of things, then feel the servo cases to see<BR> if any of them are getting warm, or even try smelling them for that characteristic smell that hot electronics tend to have. If there is a regulator that got so hot as to discolor it, and there is nothing at all wrong with the linkages or control surfaces, then this ought to find the culprit.<BR><BR>Ed<BR>----- Original Message ----- From: "David Cotton " <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=davercotton@hotmail.com" ymailto="mailto:davercotton@hotmail.com">davercotton@hotmail.com</A>><BR>To: "colin chariandy " <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>>; <<A
href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>>; <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>><BR>Sent: Monday, April 27, 2009 6:09 PM<BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR><BR><BR>You will need a very good meter<BR>to read the current, because a fully loaded digital setup takes the current in short spikes and most meters do not have a good enough frequency response. I have tried using a very good quality HP meter with over 20k frequency response and concluded it's not accurate, but it does give you a ball park number and will indicate if you have a serious problem. I have monitored my receiver voltage using a FDR data recorder and using two nimh batteries pack in parallel see at
least one volt drop spikes at the receiver when the servos are heavily loaded. I run 2 20amp schottky diode connected packs in parallel for safety. You can be sure that these spikes are 5amps or more. I placed a Castel reg in the circuit and it drops the spikes to a few<BR>hundred millivolts<BR><BR>The average current draw is around 250 mA for 2 masters sequences.<BR><BR>Hope this helps. Incidentally the regulator does not get hot.<BR>Sent via BlackBerry by AT&T<BR><BR>-----Original Message-----<BR>From: colin chariandy <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>><BR><BR>Date: Mon, 27 Apr 2009 20:40:21<BR>To: <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>>; <<A
href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR><BR><BR>Yes.<BR><BR>I can't find by physical inspection any "wacked out servos" or other issues that might cause increased current load on the regulator.<BR> So....I'm trying to find the typical (or average) current that should be seen at any moment (inst<BR>ant) on a meter in-line with the regulator. Then I'll run my set-up and compare. If I'm in the ball park (less than 1A based on a couple of inputs so far) then the problem is not related to "wacked out" servos, binding etc.<BR><BR>Colin<BR><BR>--- On Mon, 4/27/09, Ed Alt <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>> wrote:<BR><BR>From: Ed Alt <<A
href="http://ca.mc313.mail.yahoo.com/mc/compose?to=ed_alt@hotmail.com" ymailto="mailto:ed_alt@hotmail.com">ed_alt@hotmail.com</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A><BR>Received: Monday, April 27, 2009, 3:25 PM<BR><BR><BR>Average current is not the same as instantaneous current, unless the only current being drawn was just for that single instant in time. Anyway, I will repeat, with an added quailifer, for the sake of understanding for where to look to help you solve the problem:<BR><BR>If you are using a JACCIO, Tech-Aero, or whatever regulator in a pattern setup, even with a YS CDI on a
shared output, and if you find that you need a heat sink, then:<BR><BR><BR>Something Else Is Wrong. Check your setup for binding linkages, stiff hinges, whacked out servos, whatever.<BR><BR>Seriously, check your setup, OK? Just trying to help here.<BR><BR>Regards<BR>Ed<BR><BR><BR>----------------<BR>Date: Mon, 27 Apr 2009 10:32:54 -0700<BR>From: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A><BR>To: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>; <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR><BR><BR><BR>Actually, if you consumed 200mAhr in 0.25hrs, then your average
(instantaneous) current was 800mA.0D<BR><BR>Colin.<BR><BR>--- On Mon, 4/27/09, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>> wrote:<BR><BR>From: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=glmiller3@suddenlink.net" ymailto="mailto:glmiller3@suddenlink.net">glmiller3@suddenlink.net</A>><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: "General pattern discussion" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org"
ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A>><BR>Cc: "colin chariandy" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A>><BR>Received: Monday, April 27, 2009, 12:34 PM<BR><BR><BR>Colin,<BR><BR>I'm running a different ignition system, but total consumption radio and ignition) for an entire 15 minute flight is about 200 mah..200 X4 = 800 milliamps for an hour= 0.8 amps per hour So the<BR>instantaneous current shouldn't be much.<BR><BR>G<BR><BR>---- colin chariandy <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca</A>> > wrote:<BR><BR>=============<BR>Does anyone know
what the current consumption should be at idle/run-up for a typical YS170/Hyde/all digital servos installation?<BR><BR>I'll stick a Watt's Up meter in there to see how much I'm pulling after the regulator.<BR><BR>Jim, what's the current limit for continuous operation and spike/inrush for your regulator?<BR><BR>Colin.<BR><BR>--- On Sun, 4/26/09, James Oddino <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=joddino@socal.rr.com" ymailto="mailto:joddino@socal.rr.com">joddino@socal.rr.com</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=joddino@socal.rr.com" target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=joddino@socal.rr.com</A>> > wrote:<BR><BR><BR>From: James Oddino <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=joddino@socal.rr.com" ymailto="mailto:joddino@socal.rr.com">joddino@socal.rr.com</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=joddino@socal.rr.com"
target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=joddino@socal.rr.com</A>> ><BR>Subject: Re: [NSRCA-discussion] JR DSM glitch - trouble-shooting.<BR>To: <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo" target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo</A>.<BR>ca> , "General discussion" <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org" ymailto="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrc" target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrc</A><BR><BR>a.org> ><BR>Received: Sunday, April 26, 2009, 4:00 PM<BR><BR><BR>I don't believe a bad battery could
cause the engine to rev up unless your battery failsafe isn't set properly. Make sure it is.<BR><BR><BR>The first thing I would look at is the possibility that the throttle servo is stalled at low speed. That could be pulling the battery/voltage regulator voltage down and it could recover after you started to throttle up and removed the heavy load.<BR><BR><BR>Finally I would run a one amp discharge test on the battery after it is fully charged to see if the battery is near its original capacity. The best way to<BR> do this is to plot the voltage vs. time taking readings every 5 to 10 minutes.<BR><BR><BR>Hope this helps. Let us know what you find.<BR><BR><BR>Jim<BR><BR><BR><BR><BR><BR>On Apr 25, 2009, at 4:30 PM, <A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca" ymailto="mailto:cchariandy@yahoo.ca">cchariandy@yahoo.ca</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca"
target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=cchariandy@yahoo.ca</A>> wrote:<BR><BR><BR><BR><BR><BR><BR><BR>I had a close call today with my R921 Rx in an Integral.<BR><BR>I noticed on taxi out that the engine rev'd up and quickly back down without any command. At first I thought I must have bumped the stick by accident. Then just before take-off there was no responce from the throttle for a second or two then it was back. I thought the 170 may have loaded up a lit<BR>tle and didnt respond. It did that one more time before<BR> I aborted the flight. However, I could'nt reproduce the problem in the pits.<BR><BR>Before powering down, I checked for holds or fades on the data logger - nil.<BR><BR>Battery voltage droped from 8.2V to 7.8V and 7.6 under 1A load. When I re-charged it took 350mA and I was only on for 3-4 mins.<BR><BR>Now...I did accidentally run the battery down to like 5V during winter but it did eventually
recharge.<BR><BR>I'm using a Jaccio perfect switch/6V regulator, Jaccio 2000mAHr (1 season<BR><BR><BR><BR>The new Internet Explorer® 8 - Faster, safer, easier. Optimized for Yahoo! Get it Now for Free!_______________________________________________<BR>NSRCA-discussion mailing list<BR><A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=NSRCA-discussion@lists.nsrca.org" ymailto="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A> <<A href="http://ca.mc313.mail.yahoo.com/mc/compose?to=NSRCA-discussion@lists.nsrc" target=_blank>http://ca.mc313.mail.yahoo.com/mc/compose?to=NSRCA-discussion@lists.nsrc</A><BR><BR>a.org><BR><A href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target=_blank>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</A> <<A href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion"
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