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Home✈️Aircraft🚁Helicoptere-AlignOther › Suggestions, I Need a good Watt Meter
07-19-2006 01:45 PM  14 years ago
dct

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San Angelo TX.

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You will still need to know how much mAh you are putting back in after flying.... I have the sears amp reader and it really doesn't help with how long you can fly.... The mAh you pull out of the battery pack will CHANGE ALL THE TIME when you start flying differently from the last time you went to fly....Things like more head wind will change how much mAh you motor is using if you use idle up with more rpm. it will change,, more pitch ,,, it will change.. Good luck....**Now doing Forward Flight And EASY 3d! And having a Ball !!**
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07-19-2006 03:43 PM  14 years ago
chkin11

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USA

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well the "watts up" meter according to their website can be connected inline between the batt and charger to measure how many mah are being put back in and moniter volts, plus i can connect it to my heli to get max and avg volts,amps,watts after flight. overall a good deal if it works as good as the review on the trextune web site.

http://www.";banned site here".com/wattsup.php
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07-20-2006 01:18 PM  14 years ago
chkin11

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USA

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ok so i charged all 4 of my batteries and started flying them for 6:30 to land and the static volts are 11.34 however two of my batt (the apex orig formula) only flew for about 30sec then the cutoff engaged on the esc. never the less i removed my pricey gold deans connectors from them and got rid of em before my heli ends up a fireball. i know it has been covered a thousand times but products change everyday: What batt should i get to replace mine? im looking for mild aerobatics and long flights, i dont need the lightest ones out there for my purpose, flight time is my concern.
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07-25-2006 05:06 PM  14 years ago
chkin11

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USA

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just got my "Watts up" meter yesterday and it is exactly what i was looking for. Perfect for measuring batt capacity/Volts during charging and can even connect it to heli to evaluate your system performance in flight. It is mostly for real time but it also records min and max amps,amp hours,volts, and watts in flight. it saves the info until you unplug the batt or you can hook up a 4+ volt RX batt to it then disconnect your main batt and it keeps its memory until you unplug it. Very simple and the instruction manual even explains what a watt,amp,amp hour, and volts are, a simple electronics lesson but was very useful to me having limited experiance with electrics. a great tool for lipo users!
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07-25-2006 05:32 PM  14 years ago
dct

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San Angelo TX.

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You can pay me now or pay me latter.. Every here that saying?
You will need a 15 to 20C battery for a Trex... For time in the air or 3D you don't get long flight time with out a good C rating ,,, lighter = more time in the air.. Cheaper battery's are heaver = less power less time in the air ,,, heaver battery = less time in the air... I hope you get the idea????
Most 2100Tp battery with a very loose helicopter will get you about 8 minutes with out killing your batteries... That it......
**Now doing Forward Flight And EASY 3d! And having a Ball !!**
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07-25-2006 09:25 PM  14 years ago
chkin11

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USA

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i ordered a TP 2100 to try it out, thanks for the advice.
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07-26-2006 02:23 AM  14 years ago
dct

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San Angelo TX.

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Chkin11
I just sent you a e-mail...
Dan T
**Now doing Forward Flight And EASY 3d! And having a Ball !!**
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07-26-2006 03:55 AM  14 years ago
chkin11

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USA

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dct, got it, thanks
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07-26-2006 07:48 AM  14 years ago
trex3d

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St. Louis, MO

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HRPoly Low Voltage Alarm.
I recommend (besides a good charger)the HRPoly Low Voltage Alarm. $24.95 from Heliproz. This is a fantastic small weight device that - when wired into your speed controller (just before your battery connector) allows you to program (w/o a computer) any low voltage you wish to give you a heads up for landing. It includes a green/red light and a 88dcb alarm. As I mentioned you can program it for any buffer you wish - the default is fine for me. What's nice about it is if you purchase the computer data cable option (I think around $22), you can download every flidsght into your computer - if you wish and with the included (or downloadable) free analyzer program can see the status of your battery/cells during the flight.Has 42 mins of data logging feature memory built in. I highly recommend it.

http://www4.mailordercentral.com/he...p?number=335444
http://www.customidea.com/hrpolyx.php
http://www.customidea.com/hrpolycable.php

Best of luck.
Trex SE.
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