Search: Posts Made By: Lynx
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Replies: 3
Views: 1,643
Posted By Lynx

RE: Custom firmware for Multiplex Royal Evo ?

Silversword, the first step in that quesiton would be taking the Evo apart, identiying the chips in it and finding out if it's possible to reverse engineer them. Those kinds of things are generally...
Replies: 7
Views: 1,091
Posted By Lynx

RE: "NI-Cad Only" servos?

Just as an added note. For cell's of the same capacity, Nicads are generally rated for 10C discharge, Nimh's for 5C, and Li-poly's for 2C before the voltage will start to drop. Hi performance Lipo...
Replies: 11
Views: 948
Posted By Lynx

RE: PC cable for servo extensions

Actually it's marginally better at conducting given the same gage size, simple because stranded wire is round and all snugged up against each other so there's going to be slight air gaps inbetween...
Replies: 3
Views: 732
Posted By Lynx

RE: Synthesised radios

It's not a matter of weather it's synthesized or not, it just has to generate frequencies that are legal for your area.
Replies: 8
Views: 963
Posted By Lynx

RE: Antenna retracted on Futaba burn out the radio?

The reason being that without an antenna the RF amplifier has no way of emitting it's energy so it just heats up. The less antenna there is the more energy will be turned into heat. As long as...
Replies: 1
Views: 737
Posted By Lynx

RE: New Futaba radio T14mz 14ch

There are already multiple threads covering the 14mz.
Replies: 3
Views: 931
Posted By Lynx

RE: remote bus for servos

Make sure you run the ground lines from the receiver to the bus as well, relying on the battery ground for signals is a bad idea.
Replies: 11
Views: 948
Posted By Lynx

RE: PC cable for servo extensions

If the extension is to be permenantly mounted in the aircraft it's perfectly fine to use solid core wire. Despite paranoia to the contrary solid conductor cable is not so fragile that it's going to...
Replies: 2
Views: 521
Posted By Lynx

RE: servos spazing!

If it was the pots the problem wouldn't go away regularly like that, sounds more like it's just the high voltage?
Replies: 3
Views: 862
Posted By Lynx

RE: how to replace a broken gimbal (pics)

Considering you'll probably melt the 'connector' in the process of desoldering, just cut the entire thing off about an inch above the board and solder the wires from the new gimbal on.
Replies: 1
Views: 488
Posted By Lynx

RE: R127DP PCM Receiver

As long as you range test fine don't worry about it.
Replies: 8
Views: 944
Posted By Lynx

RE: Radio Functions

Considering the cost of modern microprocessors and today's highly capable micro controllers I can't understand why the prices for computer controlled radio's is still so high. Micro controllers...
Replies: 95
Views: 10,177
Posted By Lynx

RE: Will Futaba wake up?

If the technology was what you were actually paying for the 14mz would only cost 500 dollars, cause that's all the technology that it encompases costs. It's the abusrd markup that Futaba makes that's...
Replies: 10
Views: 1,047
Posted By Lynx

RE: how short to cut my antenna?

Brushless motors still switch electrically betwen the individual poles, they still make noise. Just not the same kind.
Replies: 22
Views: 2,429
Posted By Lynx

RE: A new KNOBBY box RC radio "recommendation"...

smokingcrater. Which do you think is more difficult, translating two two dimensional sticks with parts of the body operated by seperate sides of the brain, or having three degrees of axis on one...
Replies: 10
Views: 1,047
Posted By Lynx

RE: how short to cut my antenna?

Brushless motors are electrically controlled not mechanically. Put the caps on the controllers +/- Case ground rather than the motors connection. Caps on a brushless motors leads directly might...
Replies: 7
Views: 1,474
Posted By Lynx

RE: Using Lipos in Transmitter.

Li ion / li poly are the same batteries. Li-ion is just what they usually call metal packed cells (coin cells) Li-poly's are different because the materials that make up the cell are polymerized, IE...
Replies: 7
Views: 1,474
Posted By Lynx

RE: Using Lipos in Transmitter.

That 11.8 volts is peek voltage off a fully charged nimh pack. I would NOT plug a raw lipo pack into a transmitter like that there's a very good chance you'll fry it. Considering TX's are constant...
Replies: 5
Views: 718
Posted By Lynx

RE: RF modules...

That doesn't make sense considering the RF module is what's supposed to have the antenna out. From the encoder to the RF broadcast circuitry there should be only three wires. VCC GND and signal. The...
Replies: 16
Views: 1,291
Posted By Lynx

RE: How do I power a Tx from an AC 110v wall outlet with a DC converter?

JNorton, have you ever taken a look at the number of capacitors right next to the CPU on a modern motherboard? That's ALL multi level filter circuitry, and that's after the linear regulators get...
Replies: 10
Views: 1,047
Posted By Lynx

RE: how short to cut my antenna?

That would make sense for a whip antenna but not a base loaded antenna, split the difference and go with 7 inches, range test, range test, range test :) If you have problems, tweak.
Replies: 16
Views: 1,291
Posted By Lynx

RE: How do I power a Tx from an AC 110v wall outlet with a DC converter?

This really isn't the greatest of ideas unless you can disable the transmitter somehow as you don't want to be broadcasting while you're using a simulator. I also wouldn't recommend using a PC power...
Replies: 31
Views: 2,014
Posted By Lynx

RE: Secure channels for RC planes

The problem with spread spectrum is that it uses non-licensed channels that have even stricter power output limitations than does the 72mhz band. Also you have a billion other devices that use the...
Replies: 3
Views: 786
Posted By Lynx

RE: OLD TX BATTERY CONVERSION

Double check (on a multi meter preferably) when you do it, just to make sure you get the polarity right, it's quick simple and will prevent smoking your xmitter.
Replies: 25
Views: 2,594
Posted By Lynx

RE: Servo extension wire?

mglavin, I would be interested to see the difference in performance of twisted wire vs straight wire on paper. Make two sets of leads, twisted and straight. Put them on the same plane and then using...
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