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Search: Posts Made By: jkaetz
Showing results 1 to 25 of 71
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Forum: Radio and Electronics
12-13-2017, 10:02 AM
Replies: 20
Views: 2,551
Posted By jkaetz

The lithium in lithium polymer batteries does not...

The lithium in lithium polymer batteries does not ignite because it is exposed to air. Explosions and fireworks come from shorting the battery while it's charged creating a massive amount of heat. ...
Forum: Radio and Electronics
12-12-2017, 10:12 AM
Replies: 5
Views: 4,777
Posted By jkaetz

How would it autocalibrate? Most ESCs only look...

How would it autocalibrate? Most ESCs only look for neutral, not full throttle and full brake.
Forum: Radio and Electronics
12-11-2017, 11:09 AM
Replies: 5
Views: 4,777
Posted By jkaetz

Have you calibrated it?

Have you calibrated it?
Forum: Radio and Electronics
12-11-2017, 07:24 AM
Replies: 20
Views: 2,551
Posted By jkaetz

Bucket of salt water to attempt to discharge. It...

Bucket of salt water to attempt to discharge. It will take a while since you charged it (weeks). You can also try to use a 12v light bulb which will be faster but I would certainly do it outside...
Forum: Radio and Electronics
12-07-2017, 06:03 AM
Replies: 29
Views: 10,416
Posted By jkaetz

Looking at the pictures, this motor seems to have...

Looking at the pictures, this motor seems to have less space to ingest stuff than the current generation of motors with most of the can shaved away.
Forum: Radio and Electronics
12-07-2017, 05:55 AM
Replies: 21
Views: 5,646
Posted By jkaetz

I think this is something a lot of people don't...

I think this is something a lot of people don't realize. With the new motors being so open, it's easy to get a temp reading of the inside of the motor but most people refer to the can temperature...
Forum: Radio and Electronics
12-07-2017, 05:41 AM
Replies: 9
Views: 987
Posted By jkaetz

Ahh paper racing. 3s lipo is over 12volts of...

Ahh paper racing. 3s lipo is over 12volts of power vs the 7.2ish you'll get out of the nimh pack. Even with such a high turn motor he should be screaming around the track. The real question will...
Forum: Radio and Electronics
12-06-2017, 01:17 PM
Replies: 36
Views: 7,945
Posted By jkaetz

Personally I have never gone faster by running...

Personally I have never gone faster by running the motor hotter. In VTA I usually bring my car off the track and the motor is around 140. I've been able to set fast laps in the 2nd half of the race...
Forum: Radio and Electronics
12-06-2017, 01:07 PM
Replies: 4
Views: 810
Posted By jkaetz

With lipo there really isn't anything to...

With lipo there really isn't anything to condition. Discharging or charging at a high amp rate only helps by slightly heating the battery. A warmer battery has less internal resistance. Once the...
Forum: Radio and Electronics
12-05-2017, 10:30 AM
Replies: 6
Views: 6,511
Posted By jkaetz

As the second post points out, Futaba RX don't...

As the second post points out, Futaba RX don't have an LED indication for power only. They only light the LED when they have a signal. If the transmitter is in the correct transmit mode...
Forum: Radio and Electronics
11-29-2017, 09:49 AM
Replies: 475
Views: 130,973
Posted By jkaetz

I recently grabbed one of these...

I recently grabbed one of these (https://www.ebay.com/itm/STL-9660DTG-Digital-Low-Profile-servo-w-Titanium-gear/282370888000?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649) and I believe...
Forum: Radio and Electronics
11-27-2017, 01:16 PM
Replies: 8
Views: 894
Posted By jkaetz

What problem are you trying to solve? You...

What problem are you trying to solve? You certainly could mount the two receivers and do some fancy wiring and switching to make it all work but there is likely a better solution.
Forum: Radio and Electronics
11-27-2017, 01:13 PM
Replies: 9
Views: 1,109
Posted By jkaetz

Another note on battery life, I used a 3s lipo...

Another note on battery life, I used a 3s lipo with my Futaba 3PM and it would go 8 or more race nights before needing a recharge. Battery life really isn't a concern anymore.
Forum: Radio and Electronics
11-16-2017, 05:33 AM
Replies: 1,377
Views: 214,473
Posted By jkaetz

Reverse the throttle channel on your transmitter...

Reverse the throttle channel on your transmitter and try again.
Forum: Radio and Electronics
11-06-2017, 09:32 AM
Replies: 63
Views: 40,118
Posted By jkaetz

Trial and error my friend. When racing you have...

Trial and error my friend. When racing you have a bench mark to measure timing changes against, lap time. You also have an upper limit on motor temp ~180 is the max recommended temperature by most...
Forum: Radio and Electronics
11-03-2017, 09:08 AM
Replies: 29
Views: 1,719
Posted By jkaetz

Take your 3v/cell pack and short the + and -...

Take your 3v/cell pack and short the + and - while on video. Then do the same with a pack at 0v/cell. :)

You have to remember most packs are not single cell. A 3s or 4s pack would still have 9...
Forum: Radio and Electronics
10-31-2017, 06:19 PM
Replies: 212
Views: 99,665
Posted By jkaetz

The problem is choice. People get to choose to...

The problem is choice. People get to choose to spend money on new equipment. Being told you must but something with no added value is annoying at best.
Forum: Radio and Electronics
10-31-2017, 01:17 PM
Replies: 10
Views: 738
Posted By jkaetz

You'll have to follow basic troubleshooting to...

You'll have to follow basic troubleshooting to see where your issue lies.


Connect battery and unmodified ESC A with no motor
Add receiver
Add ESC B with no motor
Add Motor to ESC A
Add...
Forum: Radio and Electronics
10-31-2017, 09:21 AM
Replies: 212
Views: 99,665
Posted By jkaetz

Completely agree. If they cannot be...

Completely agree.

If they cannot be downgraded, I would expect MRT or another vendor to ramp up their decoder box efforts as there will likely be a demand. If there is not enough demand for a...
Forum: Radio and Electronics
10-31-2017, 07:36 AM
Replies: 29
Views: 1,719
Posted By jkaetz

I could see the tabs disintegrating, but would...

I could see the tabs disintegrating, but would also expect the salt water to permeate the cell and create a drain even without the tabs. I suppose someone would have to test to confirm or deny the...
Forum: Radio and Electronics
10-31-2017, 07:30 AM
Replies: 212
Views: 99,665
Posted By jkaetz

Hi Brandon, Good info. Thank you. This...

Hi Brandon, Good info. Thank you.

This thread starts off with a strongly negative title and the referenced article title claims that MTR transponders are being disabled. It all makes it sound...
Forum: Radio and Electronics
10-30-2017, 11:26 AM
Replies: 29
Views: 1,719
Posted By jkaetz

If it is internally damaged and you cannot even...

If it is internally damaged and you cannot even connect a 12v automotive light bulb to drain the remaining voltage than you should use the salt water as it will do the job. To be clear, the salt...
Forum: Radio and Electronics
10-30-2017, 10:31 AM
Replies: 212
Views: 99,665
Posted By jkaetz

I would encourage everyone to hold off on...

I would encourage everyone to hold off on grabbing their pitch forks and torches. MyLaps has chosen to add a new protocol to existing decoder boxes rather than tell tracks that they must buy a new...
Forum: Radio and Electronics
10-18-2017, 01:11 PM
Replies: 8
Views: 2,422
Posted By jkaetz

Thanks, this particular rotor did not have a...

Thanks, this particular rotor did not have a spacer collar on the pinion side. Just a couple of shims.
Forum: Radio and Electronics
10-04-2017, 09:34 AM
Replies: 6
Views: 779
Posted By jkaetz

Always a risk, but I've personally purchased five...

Always a risk, but I've personally purchased five and pointed a fellow racer to two others. All are working perfectly. Ebay is also heavily slanted in favor of buyers. If there is a dispute on an...
Showing results 1 to 25 of 71
 
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