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Raptor E550 › E550 Reciver switch harness
06-08-2009 01:34 AM  9 years agoPost 1
LSalt

rrNovice

Melbourne, Victoria - Australia

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Hi all,

this is something small however

I'm in the final stages of finishing off my new E550 and I am trying to work out the best way/position to mount the reciever switch.
There doesn't seem to be anywhere official on the airframe to mount it.

I was curious as to what others are doing here.

thanks

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06-08-2009 02:03 AM  9 years agoPost 2
Eddie M

rrNovice

Kanata, ONT, Canada

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I don't use switch. I power up everythings when I connect the battery. You don't want to turn off the receiver while your main battery is still plug in anyway

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06-08-2009 02:28 AM  9 years agoPost 3
LSalt

rrNovice

Melbourne, Victoria - Australia

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Thanks for the reply just to clarify

Do you pull the receiver battery in and out of the receiver each time you fly ?

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06-08-2009 04:05 AM  9 years agoPost 4
litespeed600

rrKey Veteran

St. Charles, Missouri

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I believe he has a BEC and not a reciever battery. This is also what I do and run. Plug the main battery in and go.

Tom

Married with 2 kids, I am no stranger to pain!

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06-08-2009 05:16 AM  9 years agoPost 5
Eddie M

rrNovice

Kanata, ONT, Canada

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Yes, I use a BEC. The power split from the ESC power input and goes to my BEC. So when I plugin my main battery pack, it will power up both the BEC(and the receiver) and the ESC.

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06-08-2009 07:50 AM  9 years agoPost 6
LSalt

rrNovice

Melbourne, Victoria - Australia

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Ok understood , I use BEC with my Mini Titan however the TT ESC that came with my E550 does not support BEC.

Could I ask what ESC you are using ?

thanks

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06-08-2009 11:11 AM  9 years agoPost 7
litespeed600

rrKey Veteran

St. Charles, Missouri

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Mine is a seperate BEC, a UBEC in fact. They have a perfect history in my ships and I've never read anything negative about them.

http://www.koolflightsystems.com/ultimatebec.htm

There are only a couple ESC's that have built in BEC's when you go over 4 lipo cells and they are nice but costly.

Tom

Married with 2 kids, I am no stranger to pain!

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06-08-2009 11:22 AM  9 years agoPost 8
LSalt

rrNovice

Melbourne, Victoria - Australia

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Thanks Tom,

Yes I thought it would be difficult to get a BEC enabled ESC that would support the 550.

The separate unit looks like the way to go , cheap as well.

thanks again for the info.

Gilles.

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06-08-2009 11:27 AM  9 years agoPost 9
Ben-T-Spindle

rrProfessor

Central Illinois

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Yes, I use a BEC. The power split from the ESC power input and goes to my BEC. So when I plugin my main battery pack, it will power up both the BEC(and the receiver) and the ESC.
That’s the way that most of us do it. Those separate switches and batteries really increase the probability of a failure. Just parallel a high voltage BEC with the ESC so that everything comes on when you plug in the ESC to the battery.

Western Robotics makes some real nice BEC’s that are very reliable.
https://www.helidirect.com/advanced...estern+Robotics

... BTS

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06-09-2009 04:23 AM  9 years agoPost 10
Melnic

rrElite Veteran

Columbia, MD,USA

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I have a CC10 (Castle Creations 10A).
It wires to the deans.

I use a Zippy-H 5000mAh pack.

A guy at the field uses a BEC w/ a 2S lipo. He has it on a switch. He seems to leave it on accidently often. He has to unplug the pack then turn the Rx off. He has to always keep track of the Rx lipo battery voltage also. No issues on my setup so far (30 flights).
CC10 is placed to the side of the BEC. I like my setup and how the ESC has a nice mounting location in the back because I can load my battery in ahead of time. Pull it out and plug it in w/o removing canopy.

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06-10-2009 09:53 AM  9 years agoPost 11
LSalt

rrNovice

Melbourne, Victoria - Australia

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Thanks for the responses
Will go BEC.

cheers
Gilles

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06-10-2009 11:26 AM  9 years agoPost 12
Ben-T-Spindle

rrProfessor

Central Illinois

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The CC BEC works well for some but it does have some reliability issues. I think that some other brands would be a better choice.

I did some testing to measure the actual current and found that the max current for digital servos in my E620 was only about 2.6 amps no matter how hard I flew and most flights were only about 2.2 peak. So a 3A peak BEC is more than adequate for the task. Actually the wiring can’t take more than that anyway.

... BTS

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06-10-2009 11:48 AM  9 years agoPost 13
pete05

rrApprentice

australia, western sydney

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Thats good information BTS, I have often wondered about the current consumpton in flight, Im planning to use a titancool bec from hyperion when it arrives, its rated at 4amps cont and 5amps peak.

cheers
Pete

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07-11-2009 09:50 PM  9 years agoPost 14
henrik04

rrNovice

Killcare NSW Australia

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I am probably going to be shot at but hey.. Each one is entitled to his opinion.

I always separate (isolate) high noise generator {hundred of milli volts) and receiver looking for micro volts on the antenna.

The best way not to convey noise from a noisy pair such as the motor / esc tandem to a very sensitive equipment such as a receiver is to place them as far away as possible and to completely isolate the two systems
Complete isolation imply opto isolation between receiver and ESC.
(many high power ESC manufacturer call it opto for opto isolated)
Big word just to say that an LED and a photo transistor in a integrated circuit convey the throttle information from the receiver to the ESC using light. Can't get better isolation!

Now this is very easy to so and only require a separate battery and BEC that will be used for all the sensitive electronic system (Receiver, Gyro etc).

Works a treat and except a very small penalty on weight, no counter indication to report.

I have heard on the field comments such as:
- Why would I bother?
- No time to fiddle with stuff..
- Added weight?? Are you mad???
- Never had a problem before..
And on .. And on..

Just my 21 cents worth..

Happy flying.

E-325 Full metal head and carbon bits. E-620 Kasama head tail

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