Search: Posts Made By: Ryan CSRC
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11-14-2007, 06:04 PM
Replies: 9
Views: 1,357
Posted By Ryan CSRC

The percent mah that your charger puts in is does...

The percent mah that your charger puts in is does not really matter. All that matters is that each cell stays above 3v per cell, even under load. A lot of cheap Chinese packs are not even rated at...
11-13-2007, 06:15 PM
Replies: 9
Views: 1,357
Posted By Ryan CSRC

Watt meters are generally used to determine amp...

Watt meters are generally used to determine amp draw under load and the voltage drop of the system.

Ryan Lefevre
www.CommonSenseRC.com (http://www.CommonSenseRC.com)
The Go To Guys For Electric...
Forum: Power Systems
11-13-2007, 06:12 PM
Replies: 5
Views: 12,808
Posted By Ryan CSRC

1. Most gear drives are used to provide more...

1. Most gear drives are used to provide more torque, so given the same motor they would swing a larger prop at slower RPM for the same power and amp draw. In theory though a gear drive can be made...
Forum: Power Systems
11-12-2007, 11:30 PM
Replies: 13
Views: 2,929
Posted By Ryan CSRC

In general I think that a lot of people go by the...

In general I think that a lot of people go by the maximum power instead of the efficient power range. Many motors do not even list their efficient power range and only list maximum power. Despite...
Forum: Power Systems
11-12-2007, 11:20 PM
Replies: 4
Views: 1,391
Posted By Ryan CSRC

Usually the twitching means one of the motor...

Usually the twitching means one of the motor wires is not connected. Check the connections between motor and esc. If those are OK then there is a good chance the motor wire broke inside the can of...
11-09-2007, 05:54 PM
Replies: 34
Views: 5,390
Posted By Ryan CSRC

Yes that should be the one you are looking for. ...

Yes that should be the one you are looking for.

Ryan Lefevre
www.CommonSenseRC.com (http://www.CommonSenseRC.com)
11-09-2007, 05:19 PM
Replies: 13
Views: 2,312
Posted By Ryan CSRC

If you batteries are hitting the LVC just because...

If you batteries are hitting the LVC just because of one additional servo, I would say the battery pack is probably too small for the application and I recomend you get a higher capacity or higher...
11-09-2007, 05:13 PM
Replies: 34
Views: 5,390
Posted By Ryan CSRC

Align is the same plugs as CSRC V2. We have...

Align is the same plugs as CSRC V2. We have those adapters available on the site.

Ryan Lefeve
www.CommonSenseRC.com (http://www.CommonSenseRC.com)
11-09-2007, 04:40 PM
Replies: 34
Views: 5,390
Posted By Ryan CSRC

I am not exactly sure which plugs wow rc packs...

I am not exactly sure which plugs wow rc packs are equivalent to, but Flight Power plugs are the same as Thunder Power plugs. We have a variety of adapters using TP plugs on our website in the...
Forum: Power Systems
11-09-2007, 02:37 AM
Replies: 17
Views: 3,285
Posted By Ryan CSRC

There is really no such thing as a motor designed...

There is really no such thing as a motor designed to work on 2s. Manufactures generally recomend 2-3s for a given prop range, but any motor can be run on higher voltage as long as you reduce the...
Forum: Power Systems
11-08-2007, 07:06 PM
Replies: 6
Views: 1,225
Posted By Ryan CSRC

I have had ESC's produce a small amount of smoke...

I have had ESC's produce a small amount of smoke before due to burning the heat shrink or some glue in the ESC, and had them be perfectly ok. However I can not say that I recomend taking this risk...
Forum: Power Systems
11-08-2007, 07:04 PM
Replies: 17
Views: 3,285
Posted By Ryan CSRC

I think this may just be a shortcoming of the...

I think this may just be a shortcoming of the calculator programs. Resistance does increase dramatically with heat, but that should not really matter.

I have tested a lot of motors to the point...
11-08-2007, 06:54 PM
Replies: 1
Views: 763
Posted By Ryan CSRC

Yes all batteries die a little bit with every use...

Yes all batteries die a little bit with every use and have a finite lifespan. If you do not fully peak charge it every flight, you will not have the full power available and flight times will be...
11-08-2007, 06:50 PM
Replies: 14
Views: 2,602
Posted By Ryan CSRC

Yes, I will admit it looks a little scary, but...

Yes, I will admit it looks a little scary, but the idea is it is less scary and easier to keep track of then all the individual adapters by themselves :)

Ryan Lefevre
www.CommonSenseRC.com...
Forum: Power Systems
11-07-2007, 05:42 PM
Replies: 17
Views: 3,285
Posted By Ryan CSRC

But when you increase voltage without decreasing...

But when you increase voltage without decreasing prop size, current consumption will always go up, not stay the same. That is why I think the calculator might be producing an error.

Ryan Lefevre...
11-07-2007, 05:37 PM
Replies: 7
Views: 1,199
Posted By Ryan CSRC

Generally all balance connectors use the same...

Generally all balance connectors use the same wiring scheme, the only difference is connector type and pin spacing. Just make sure you get the polarity right, but the middle pins should be in the...
11-06-2007, 05:13 PM
Replies: 2
Views: 1,145
Posted By Ryan CSRC

In general I think that cold is not bad for...

In general I think that cold is not bad for lipo's, unless it is some pretty extreme cold. Cold does greatly affect the discharge capability of the lipo's, but only while it is cold. In other...
Forum: Power Systems
11-05-2007, 10:51 PM
Replies: 17
Views: 3,285
Posted By Ryan CSRC

Something seems a little fishy in those motocalc...

Something seems a little fishy in those motocalc results, the calculator might be wrong here. According to that a 17x12 prop on lower voltage pulls more amps then the 19x12 prop on higher voltage. ...
11-05-2007, 10:39 PM
Replies: 3
Views: 1,385
Posted By Ryan CSRC

I would imagine that it would be ok. Many packs...

I would imagine that it would be ok. Many packs (including all of our CSRC packs) are now rated to be charged at 2c. Just make sure the battery does not get too hot during charging.

Ryan...
11-02-2007, 10:46 PM
Replies: 5
Views: 1,200
Posted By Ryan CSRC

There are differing opinions on the exact amount...

There are differing opinions on the exact amount to discharge them to, but the general opinion is about 50% of capacity. They should last a very long time in this state.

Ryan Lefevre...
11-02-2007, 05:59 PM
Replies: 2
Views: 1,448
Posted By Ryan CSRC

There is not a balancer built in, so it just uses...

There is not a balancer built in, so it just uses the outer two wires to get full voltage. The benefit is there is no added plugs or soldering required.

Ryan Lefevre
www.CommonSenseRC.com...
11-02-2007, 05:57 PM
Replies: 2
Views: 1,373
Posted By Ryan CSRC

I would say that is nothing too serious. Those...

I would say that is nothing too serious. Those are only about 0.1v out of balance. Just keep charging them with your balance charger and keep checking on them every once in a while.

Ryan...
Forum: Power Systems
11-02-2007, 05:53 PM
Replies: 17
Views: 3,285
Posted By Ryan CSRC

As Dr. Kiwi mentioned, you can really measure it...

As Dr. Kiwi mentioned, you can really measure it at any voltage, but the best way is to measure it at the voltage you plan on running it at. If you are going to use it in a plane with 3s, test it at...
Forum: Power Systems
11-02-2007, 05:49 PM
Replies: 2
Views: 3,230
Posted By Ryan CSRC

You make very good points. Ground speed really...

You make very good points. Ground speed really is a pretty poor way to guage airplane performance. How do you think low pressure zones around the airplane effect the airspeed indicator? How...
Forum: Power Systems
11-01-2007, 06:32 PM
Replies: 2
Views: 1,315
Posted By Ryan CSRC

Something like the 2s 7.4volt 2100mah 15c pack...

Something like the 2s 7.4volt 2100mah 15c pack available in the accessories page of our website would be a great replacement. It will have very similar power, and similar weight, but about twice the...
Forum: Power Systems
10-31-2007, 11:25 PM
Replies: 3
Views: 1,248
Posted By Ryan CSRC

In the most general of terms, diameter (the first...

In the most general of terms, diameter (the first number in 6x4) is proportional to the thrust, and the pitch (the second number in 6x4) is proportional to the pitch speed.

This means that the...
10-31-2007, 11:16 PM
Replies: 6
Views: 1,326
Posted By Ryan CSRC

It sounds like that battery is dead. I would be...

It sounds like that battery is dead. I would be safe if I were you and replace it. To prevent this again, make sure the LVC on the esc is set up properly and you balance the packs regularly from...
Forum: Beginners
10-31-2007, 05:31 PM
Replies: 30
Views: 2,505
Posted By Ryan CSRC

As others have mentioned, that sounds like a good...

As others have mentioned, that sounds like a good deal and I would probably take it if I were you just to get a taste of RC. Just keep in mind though that you will have to learn a few new things...
10-31-2007, 05:19 PM
Replies: 20
Views: 5,310
Posted By Ryan CSRC

It sounds like your set up is plenty safe. Just...

It sounds like your set up is plenty safe. Just keep an eye on the packs and watch for swelling.

Ryan Lefevre
www.CommonSenseRC.com (http://www.CommonSenseRC.com)
The Go To Guys For Electric...
10-30-2007, 04:37 PM
Replies: 2
Views: 620
Posted By Ryan CSRC

I am not sure as far as the actual chemistry...

I am not sure as far as the actual chemistry goes, but higher discharge cells have a lower internal resistance which is what allows more power to be drawn from them with less voltage drop and heat...
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