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Showing results 1 to 30 of 500
Search took 0.09 seconds. Search: Posts Made By: kyleservicetech
Forum: Batteries & Chargers Today, 12:45 AM
Replies: 18
Views: 118
Posted By kyleservicetech
Yeah, I've played around with this, and doing...

Yeah, I've played around with this, and doing this is not simple. It almost requires a microcontroller and corresponding software and hardware to do a good job.

This is my "Cell Balancer"...
Forum: General Electric Discussions Today, 12:32 AM
Replies: 5
Views: 141
Posted By kyleservicetech
If your two ESC's use linear type voltage...

If your two ESC's use linear type voltage regulators, IMHO, it might be a good idea to use a separate BEC, such as the Castle Creations 10 Amp uBEC.

If the BEC's are switching power supply types,...
Forum: Power Systems Yesterday, 01:58 AM
Replies: 7
Views: 227
Posted By kyleservicetech
Wow, 1100 KV for a motor rated for around 100...

Wow, 1100 KV for a motor rated for around 100 Amps? Even the $$$$ Hacker motors don't have anything close to this.

You might look at some of those turbine motors though. They have fewer magnetic...
Forum: General Electric Discussions 05-21-2013, 06:26 AM
Replies: 20
Views: 245
Posted By kyleservicetech
I've been using the $$$$ APC-E props. Got a...

I've been using the $$$$ APC-E props. Got a whole box of them accumulated over the past 6 years. These props vary from an 8-6 to a half dozen 19X12 Wide Blades. Never had to balance any of them.
Forum: Hi-Performance and Sailplanes 05-21-2013, 05:46 AM
Replies: 6
Views: 651
Posted By kyleservicetech
Agreed: Having a big diameter, slow turning...

Agreed:
Having a big diameter, slow turning prop windmilling in front of your sailplane is kind of like bolting an aluminum pie plate of the same diameter to your motor when motor power is off! :D...
Forum: Beginners 05-21-2013, 03:17 AM
Replies: 40
Views: 607
Posted By kyleservicetech
OK :cool: Lets assume you have a three cell...

OK :cool:

Lets assume you have a three cell LiPo battery rated at 2200 Mah. And, assume you want to charge this battery at a safe one hour charge time.

So, this would take a charge current of...
Forum: General Electric Discussions 05-19-2013, 05:33 PM
Replies: 18
Views: 243
Posted By kyleservicetech
Agreed: Some of these balance cables simply...

Agreed:

Some of these balance cables simply use black wires in between the top and bottom of the pack.

Years ago, the company I worked for used very nice ribbon cable in the production...
Forum: Power Systems 05-19-2013, 05:29 PM
Replies: 40
Views: 596
Posted By kyleservicetech
You need to check the individual cell voltages...

You need to check the individual cell voltages directly at the batteries balance connector. If you examine these connectors, note that on the back side, they generally have "Locking" things that...
Forum: General Electric Discussions 05-19-2013, 06:37 AM
Replies: 18
Views: 243
Posted By kyleservicetech
Here you go, I've been using this setup now on...

Here you go, I've been using this setup now on all of my models for several years, it works very well.

The cable on the right goes straight to the Cellpro charger, the cable on the left goes to...
Forum: General Electric Discussions 05-19-2013, 01:58 AM
Replies: 18
Views: 243
Posted By kyleservicetech
Yeah I personally don't care for those balance...

Yeah
I personally don't care for those balance connectors, and the circuit board that must be used with them.

I've converted all of my balance connectors to a standard 9 pin connector from...
Forum: General Electric Discussions 05-19-2013, 01:29 AM
Replies: 18
Views: 243
Posted By kyleservicetech
Methinks its all a matter of where you put your...

Methinks its all a matter of where you put your negative meter lead.

Take a look at the attached wiring diagram that shows how these batteries are connected to the balance cable. Just ignore the...
Forum: Humor 05-19-2013, 01:19 AM
Replies: 4
Views: 124
Posted By kyleservicetech
That's a real laugh out loud!!! DennyV

That's a real laugh out loud!!!

DennyV
Forum: FMA Direct 05-19-2013, 01:09 AM
Replies: 42
Views: 324
Posted By kyleservicetech
H'mmm 7200 Mah, or 7.2 Amp Hours times 70C is...

H'mmm
7200 Mah, or 7.2 Amp Hours times 70C is 504 Amps. What size wire is the power leads on that battery?

FYI, #12 wire melts at around 350 Amps.

I've got a bit of experience with these...
Forum: FMA Direct 05-17-2013, 09:37 PM
Replies: 42
Views: 324
Posted By kyleservicetech
If you want to be able to easily measure very...

If you want to be able to easily measure very high DC currents, check out the Sears Craftsman #82369 digital AC And DC clamp on ammeter for just under $60. ...
Forum: FMA Direct 05-17-2013, 06:32 AM
Replies: 42
Views: 324
Posted By kyleservicetech
FYI, the computer screen for the Cellprocharger...

FYI, the computer screen for the Cellprocharger allows the user to put in his name and phone number. Your name and phone number then shows up when the Cellpro charger is powered up.

Go to the...
Forum: FMA Direct 05-17-2013, 06:25 AM
Replies: 42
Views: 324
Posted By kyleservicetech
Nice thing about these Cellpro chargers, the...

Nice thing about these Cellpro chargers, the programming only requires the user to specify cell chemistry type, charging rate and a few other things. You do not have to specify how many cells when...
Forum: FMA Direct 05-17-2013, 06:19 AM
Replies: 42
Views: 324
Posted By kyleservicetech
Agreed: On the other hand, companies like...

Agreed:

On the other hand, companies like Cellpro may of had some experience with a customer or two that did try to charge their 1000 Mah LiPo battery at 30 Amps.

And with todays legal system,...
Forum: FMA Direct 05-17-2013, 02:01 AM
Replies: 42
Views: 324
Posted By kyleservicetech
Disagree: That was NOT painfully obvious, at...

Disagree: That was NOT painfully obvious, at least not to me last year when I was setting up my Powerlab 8's to charge at 30 Amps.:mad:
Forum: FMA Direct 05-17-2013, 02:00 AM
Replies: 42
Views: 324
Posted By kyleservicetech
OK Now that you've got the high charge thing...

OK
Now that you've got the high charge thing working, take a battery pack and try it out, WHILE you've got your computer hooked up to the Cellpro charger.

The Cellpro charger will show the...
Forum: FMA Direct 05-17-2013, 01:47 AM
Replies: 42
Views: 324
Posted By kyleservicetech
Yup, you need to use the Dongle to edit/copy the...

Yup, you need to use the Dongle to edit/copy the "High Power" preset in the Preset Library, and use the edit/copy to copy that preset to the user presets.

As mentioned above, its up to you to be...
Forum: FMA Direct 05-17-2013, 12:18 AM
Replies: 42
Views: 324
Posted By kyleservicetech
Questions: Are you running on a lead acid...

Questions:
Are you running on a lead acid battery or a power supply?
Are you doing the balance charging?
Do you have the computer USB dongle?

Looks like you might need to pick one up.
First,...
Forum: Batteries & Chargers 05-16-2013, 05:19 AM
Replies: 7
Views: 171
Posted By kyleservicetech
Yeah, I've got two of the Cellpro Powerlab 8...

Yeah, I've got two of the Cellpro Powerlab 8 chargers rated at 1300 watts. Only problem is for field charging, IMHO a deep cycle battery simply don't cut it with these high power chargers.

When...
Forum: Batteries & Chargers 05-16-2013, 12:36 AM
Replies: 7
Views: 171
Posted By kyleservicetech
H'mmm Tower Hobbies shows this item is...

H'mmm
Tower Hobbies shows this item is discontinued. Other web sites show this unit goes for about $80 or so.

As for the charge capability, its limited to 50 watts. So, if you've got a 3S LiPo...
Forum: Pattern aircraft 05-16-2013, 12:27 AM
Replies: 4
Views: 98
Posted By kyleservicetech
Strange I've played with the timing settings on...

Strange
I've played with the timing settings on my eight CC ESC's, and found it didn't make a lot of difference on how the motor performed with the same prop and battery pack. True, it might make...
Forum: General Electric Discussions 05-15-2013, 07:30 PM
Replies: 11
Views: 259
Posted By kyleservicetech
Unfortunately "Midsized" power and low cost often...

Unfortunately "Midsized" power and low cost often don't go together. For 700 Watts, you are looking at a motor that will be pulling about 50 Amps. What is the wingspan, wing area, and weight of...
Forum: Power Systems 05-15-2013, 07:07 PM
Replies: 12
Views: 192
Posted By kyleservicetech
Agreed: As an example, take a 500 watt motor,...

Agreed:
As an example, take a 500 watt motor, take its prop off, and check volts/amps/watts with a wattmeter. It might pull 1.5 Amps at 15 Volts DC for about 22 watts. (Watts is product of volts...
Forum: Beginners 05-15-2013, 05:09 AM
Replies: 5
Views: 134
Posted By kyleservicetech
LOL Reminds me of one of my flights in the mid...

LOL
Reminds me of one of my flights in the mid 1980's on my 10 foot wingspan Craftaire Viking sailplane. El-Dumbo was coming in for a landing, spoilers up, perfect approach. Until El-Dumbo...
Forum: Company Discussions 05-15-2013, 03:36 AM
Replies: 8
Views: 213
Posted By kyleservicetech
H'mmm Let us know when your receive your order,...

H'mmm
Let us know when your receive your order, and whether it is as specified.
Forum: Sport Planes (Formerly I/C & Gas Conversion) 05-15-2013, 03:31 AM
Replies: 13
Views: 421
Posted By kyleservicetech
Hanger 9 Twist Flying Update

The new Hacker shafts showed up, and have been installed. Note that extra allen screws were ordered and used to secure the new shafts. (If you replace these shafts I highly recommend that the allen...
Forum: Power Systems 05-15-2013, 03:24 AM
Replies: 12
Views: 192
Posted By kyleservicetech
Agreed: One of these EDF's are really not the...

Agreed:
One of these EDF's are really not the model to use for your first electric system. As an example, a club member built up a very nice twin scale model of an UPS cargo jet plane. He's...
Showing results 1 to 30 of 500
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