Wattflyer RC Network: RC Universe :: RCU Magazine :: RCU Forums :: RCU Classifieds :: RCU User Reviews :: RCU YouTube
Home Who's Online Calendar Today's Posts RealTime Post Spy Mark Forums Read
Go Back   WattFlyer RC Electric Flight Forums - Discuss radio control eflight > R/C Electric Power - Batteries, Chargers, ESCs and More > Power Systems
Register Members List Wattflyer Extras Articles Search Today's Posts Mark Forums Read Social Groups

Power Systems Talk about motors, ESC speed controllers, gear drives, propellers, power system simulators and all power system related topics

Thank you for your support (hide ads)
Reply
 
Thread Tools Display Modes
Old 10-25-2011, 10:36 AM   #1
emjdrvr
New Member
 
Join Date: Oct 2011
Posts: 1
Thanked 0 Times in 0 Posts
iTrader: (0)
Friends: (0)
Default HK watt meter with lipos in series problem

Hi i have the HK P1 high voltage watt meter, i am running a 9s setup in my funtana using eflite power 110 and hv85 with a CC BEC. My problem is that when i hook up the watt meter the motor wont arm and cant be tested, however all the servos work fine. I tried to trouble shoot the issue and when i hook up a single 6s battery everything ( esc,motor,watt meter ) work like they should. But like i said when i hook the watt meter up with lipos in series i get no power to the esc or motor. Please help
emjdrvr is offline  
  Reply With Quote
Old 10-25-2011, 05:44 PM   #2
kyleservicetech
Dennis V
 
kyleservicetech's Avatar
 
Join Date: Apr 2008
Location: Wisconsin, USA
Posts: 7,914
Thanked 683 Times in 666 Posts
Club: www.racinercclub.com (I'm the newsletter editor)
Awards Showcase

Outstanding Contributor Award  3kW  2kW  100mph Speed Demon 
iTrader: (1)
Friends: (20)
Default

Originally Posted by emjdrvr View Post
Hi i have the HK P1 high voltage watt meter, i am running a 9s setup in my funtana using eflite power 110 and hv85 with a CC BEC. My problem is that when i hook up the watt meter the motor wont arm and cant be tested, however all the servos work fine. I tried to trouble shoot the issue and when i hook up a single 6s battery everything ( esc,motor,watt meter ) work like they should. But like i said when i hook the watt meter up with lipos in series i get no power to the esc or motor. Please help
Way off the topic, but I've been using the Sears Craftsman #82369 digital AC/DC clamp on ammeter for measuring higher currents. That clamp on meter won't measure watts, but most of the time, current is the critical item. Since this meter doesn't actually connect to the unit under test, it can measure anything normally found around the home. Like the starter current on my truck pulls about 150 Amps, and its alternator puts out about 60 amps after leaving the headlights on for 5 minutes or so.

Note that most clamp on ammeters are AC only, this unit reads both AC and DC. You measure current by just clamping its jaws around one of the battery wires. No need to have adaptors. I've checked the DC current accuracy against my $$$$ Fluke 87V meter, it meets accuracy specifications. Nice.

It's got AC and DC current ranges of 0-40 and 0-400 Amps, plus the usual volts frequency resistance, and even thermocouple temperature.

http://www.sears.com/shc/s/p_10153_1...=82369%20meter

DennyV
Retired and the days are just too short, busier than ever!
kyleservicetech is offline  
  Reply With Quote
Reply

  WattFlyer RC Electric Flight Forums - Discuss radio control eflight > R/C Electric Power - Batteries, Chargers, ESCs and More > Power Systems

« Previous Thread | Next Thread »

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Wanted watt meter DrDave Field Equipment For Sale & WTB 2 09-29-2011 09:13 AM
lipo's in series & parallel littleimp Beginners 5 08-05-2011 11:02 AM
How do I read my watt meter TylerJCooper Power Systems 35 03-27-2011 07:03 PM
Help - understanding Watt meter Bluefronted Power Systems 5 12-23-2010 12:17 PM


All times are GMT +1. The time now is 10:34 AM.


Powered by: vBulletin
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright 2005 WattfFlyer.com
RCU Eflight HQ

Charities we support Select: Yorkie Rescue  ::  Crohn's & Colitis Foundation



Page generated in 0.12940 seconds with 21 queries