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Ok, I had to post this here.

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Old 02-13-2003, 01:31 AM
  #1  
kevetz99
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Default Ok, I had to post this here.

I have a simple question about batteries with radio equipment. I posted it in the Radio forum in RC Cars, but that forum is dead. It is a pretty dumb question, and it probably can be answered easily. Here's a link to the question under radio equipment:

http://www.rcuniverse.com/showthread...46&forumid=219

Thanks,
Kevinn
Old 02-13-2003, 02:05 AM
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Celly013
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Default Ok, I had to post this here.

The Question
^^^^^^^^^

Can all servos handle the extra 1.5 volts when using a 5-cell Rx pack?


^^^^^^^^^^


6v isn't a problem... If anything I think it is reccomended... I don't think I'd go any higher...
Old 02-13-2003, 05:21 AM
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buyrbware
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Default Totally Agree

Will definately agree with celly on this one, I have used 6.volt packs in all my planes for years, and started using a 6volt pack in my rc10 when i got it. The steering and throttle servo's are hitec 605bb's same as in one of my 1/4 scale planes. The 6volt gives higher torque and faster transitioning speeds.

Tom
Old 02-13-2003, 01:16 PM
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Celly013
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Default Re: Totally Agree

Originally posted by buyrbware
Will definately agree with celly on this one, I have used 6.volt packs in all my planes for years, and started using a 6volt pack in my rc10 when i got it. The steering and throttle servo's are hitec 605bb's same as in one of my 1/4 scale planes. The 6volt gives higher torque and faster transitioning speeds.

Tom
See tom... We can be friends after all!!!

On a side note, if you look at the Battery packs from the JR, they are 6v and they are "Factory" packs for the RX... They will peak charge to almost 6.6v but level out to about 6v a min or 2 of use.. Just using 4 AA's will peak charge to about 5.4 -> 5.5v and level out to 4.8 after a min or 2 of useage... The extra Juice is nice, but it usually comes at a price...

Here is a new question, does the higher v help with reception on the rx? Or is that strictly based off of Tx?
Old 02-13-2003, 01:24 PM
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buyrbware
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Default Ok, I had to post this here.

i would say no to question #2 , The reciever is set at a certian wave length no matter if you have additional voltage. The length of your antenna (set by the factory) is your ultimate wave length.
reciever voltage plays no effect. Even as reciever batteries die reception is not what suffers it is the power drain of the servos
Old 02-13-2003, 01:37 PM
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Celly013
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Default Ok, I had to post this here.

Originally posted by buyrbware
i would say no to question #2 , The reciever is set at a certian wave length no matter if you have additional voltage. The length of your antenna (set by the factory) is your ultimate wave length.
reciever voltage plays no effect. Even as reciever batteries die reception is not what suffers it is the power drain of the servos
Thats what I would assume... Kind of like an AM/FM radio.. as the batteries die, it gets quieter... Not loose signal...
Old 02-13-2003, 01:39 PM
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buyrbware
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Default antenna formula

here's the length formula

Receiver Antenna Length Calculator

Calculate the frequency/length of antennas

Enter ONE value ONLY and CALCULATE the result.

Clear the form to make new entries.

Frequency in Mhz. : (i.e. 72.530)
Half Wavelength in Feet :
Half Wavelength in Inches :
Quarter Wavelength Feet:
Receiver antenna length in Inches:
Old 02-13-2003, 02:59 PM
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Default Ok, I had to post this here.

You said formula.. I dont see an equation there.. hehe

It looks like you got it from a website with a scrip running in the background
-ram
Old 02-13-2003, 03:00 PM
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Default Ok, I had to post this here.

AHA Found it. Heres the link

http://www.wcflyers.com/reference/ca...h%20Calculator

-ram
Old 02-13-2003, 03:01 PM
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buyrbware
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Default scrc building tips

gots it from my web site under building tools thanks
Old 02-13-2003, 03:02 PM
  #11  
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Default Ok, I had to post this here.

Thats a nice website!!
Gotta post a link in teh airplane section, I'm sure they'd like to explore!!

And like Celly said.. See we can be friends! lol
-ram
Old 02-14-2003, 12:29 AM
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nitroman88
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Default Ok, I had to post this here.

no we can never be freinds lol jk
Old 02-14-2003, 09:03 PM
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kevetz99
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Default Ok, I had to post this here.

Thanks for all of the help guys!

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