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-   -   Enough said. (https://www.rc-monster.com/forum/showthread.php?t=15900)

BrianG 11.03.2008 11:32 PM

Depends. How long are the wires? If they are so long you can braid them, then they really should be shortened IMO. I've never braided/twisted the motor wires and I have as much range as I can effectively see.

mikey09120 11.04.2008 02:04 AM

Quote:

Originally Posted by BrianG (Post 228991)
Depends. How long are the wires? If they are so long you can braid them, then they really should be shortened IMO. I've never braided/twisted the motor wires and I have as much range as I can effectively see.

like as long as in the 4th picture of the very first post in this thread

BrianG 11.04.2008 02:17 AM

This one?

http://i152.photobucket.com/albums/s...1008082231.jpg

Eh, might help a little I guess. Most of the time, twisting wires is done for long runs to either reduce noise being emitted from the wires, or more commonly, to reduce noise being induced into low-voltage/high input impedance wires (think audio).

I think the problem with that pic isn't whether or not you twist the wires, it's the placement of the antenna. For one thing, it is running parallel to the motor wires (albiet a few inches away). It would be better to mount the rx in the rear instead to get more distance from those motor wires. Twisting is probably helping, but still not ideal. For another, that's either an AM or FM radio (judging by the length). AM is really susceptible to interference, and FM is a bit better, but not perfect. AM usually is affected by glitchy operation, whereas FM usually just gets washed out by the noise and has limited range.

Unsullied_Spy 11.04.2008 02:27 AM

Quote:

Originally Posted by BrianG (Post 229046)
I think the problem with that pic isn't whether or not you twist the wires, it's the placement of the antenna. For one thing, it is running parallel to the motor wires (albiet a few inches away). It would be better to mount the rx in the rear instead to get more distance from those motor wires. Twisting is probably helping, but still not ideal. For another, that's either an AM or FM radio (judging by the length). AM is really susceptible to interference, and FM is a bit better, but not perfect. AM usually is affected by glitchy operation, whereas FM usually just gets washed out by the noise and has limited range.

+1, my Spektrum used to glitch terribly until I moved the Rx and antenna away. It only takes a few inches and it makes all the difference. I can drive my RCs so far away I can't see them anymore and still get reception.

lincpimp 11.04.2008 02:55 AM

Quote:

Originally Posted by Unsullied_Spy (Post 229048)
It only takes a few inches and it makes all the difference.


Taken out of context this is quite funny:whistle:

Unsullied_Spy 11.04.2008 03:01 AM

Quote:

Originally Posted by lincpimp (Post 229055)
Taken out of context this is quite funny:whistle:

:lol: Gotta make sure your antenna isn't too short, that could cause issues as well :na:

lincpimp 11.04.2008 03:04 AM

Quote:

Originally Posted by Unsullied_Spy (Post 229057)
:lol: Gotta make sure your antenna isn't too short, that could cause issues as well :na:

Isn't that the truth!! Some people are never happy, no matter what, just keep telling yourself that...

brushlessboy16 11.04.2008 07:37 AM

Quote:

Originally Posted by mikey09120 (Post 228972)
wait... twisting the motor wires limits interference?
did i misunderstand?:oh:

Motor wires are 7 1/2in long.. i tried braiding them- no avail, i even moved the speed controller to the rear chassis brace, no difference. receiver is on the front brace- as far away as humanyl possible from the noise

Quote:

Originally Posted by BrianG (Post 228977)
No, you read right. It's common knowledge (or maybe not?) that twisting wires so they intersect as close to 90* as possible helps reduce noise. If the wires are kept short, noise is minimized (and would be hard to twist anyway). Personally, using a 2.4GHz radio along with keeping the antenna away from high current wires is plenty.

do they have to be at 90 degree angles?
Quote:

Originally Posted by mikey09120 (Post 228984)
would braiding the three work? :neutral:

Quote:

Originally Posted by BrianG (Post 228991)
Depends. How long are the wires? If they are so long you can braid them, then they really should be shortened IMO. I've never braided/twisted the motor wires and I have as much range as I can effectively see.

Quote:

Originally Posted by mikey09120 (Post 229044)
like as long as in the 4th picture of the very first post in this thread

Quote:

Originally Posted by lincpimp (Post 229059)
Isn't that the truth!! Some people are never happy, no matter what, just keep telling yourself that...

:lol: beleive me its sticking strait up and as high up as possible:na:



Would haveing the aluminum antenna mount hard mounted to the aluminum chassis affect anything?

brushlessboy16 11.04.2008 07:38 AM

The antenna has since been moved to the main chassis right next to the left bellcrank.. i thought that would help but it didnt.

E-fanatic 11.04.2008 07:52 AM

I run alot of IT and communication wires and let me tell you that a twisted pair wire helps geatly with reducing noise. There are a few system that will not work if the wires are not twisted b/c of the excesss noise.

I wonder if you put a sheilded tube over you high current wires if that would help to? I bet raping your wire would help keep it clean.

brushlessboy16 11.04.2008 08:04 AM

Quote:

Originally Posted by E-fanatic (Post 229089)
I bet raping your wire would help keep it clean.


Now that is news to me:yes::rofl:


But anyways, im thinking of moving the speed controll to behind the motor and shortening the wires.. is too short a bad thing?

BlackedOutREVO 11.04.2008 11:06 AM

I run Futaba FASST 2.4, and it never glitches. I had a few issues with speky, but it wasnt horrible, but the Futaba system is great

I agree the motor wires are to long, but thats great, so we ccan cut them to what ever length we need, and make out wiring nice and neat, with out having to have another set of wires coming from the speedo

E-fanatic 11.04.2008 11:59 AM

Quote:

Originally Posted by brushlessboy16 (Post 229092)
is too short a bad thing?


Do you really have to ask that :whistle:


BlackedOutREVO, That futaba fasst system is second to none. I couldnt be happier with mine. I will never buy a spektrum again!

I just with castle would hurry up with there system so I can run my truck!!

RBMike 11.04.2008 05:05 PM

I ran the old Spektrum (in an M8) & am running the DX3R now and do not have range or glitching issues. (As long as the BEC is good. If you have a dodgy bec that does not put out clean DC, you could have glitches. that's what Spektrum sells the cap for.)

brushlessboy16 11.04.2008 05:37 PM

Question to Castle
 
Can I shorten the motor leads?


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