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› Programming the emax nighthawk…
10-04-2015 12:51 PM  26 months agoPost 1
rcnut

rrElite Veteran

Rockford, Illinois

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Hey guys, I need a little help! I started working on my nighthawk yesterday and I can't seem to get the throttle to work…on the radio. I can use the master throttle to spin the motors, but on on the radio. The instructions are pitiful on programming the ESC's.

So how do I program the ESC's to my DX8?

Thanks!

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-04-2015 01:17 PM  26 months agoPost 2
HeliNutAndy

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worcester, MA USA

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Sorry if I am not understanding your question but I did not have to program the esc's. Everything is just plug and play with some end point setups. I am using a DX9 and I had issues in regards to mapping the receiver wires to my receiver. I am using a AR7610 receiver. The brown, orange, and yellow wire plugs into the throttle channel on the receiver. White wire into AILE, black into ELEV, brown into RUDD, yellow into GEAR, and white into AUX 1. Have you selected the correct receiver in Baseflight? On the configuration tab make sure your Minimum command is set correctly. I can give you all of my settings if you need them. Please let me know and I will connect the quad to my computer and list them all.

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10-05-2015 06:35 PM  26 months agoPost 3
rcnut

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Rockford, Illinois

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The brown, orange, and yellow wire plugs into the throttle channel on the receiver. White wire into AILE, black into ELEV, brown into RUDD, yellow into GEAR, and white into AUX 1
Mine was one off. I had the throttle pluggged into the aileron. My directions is not that clear. It works now...thanks!

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-05-2015 06:38 PM  26 months agoPost 4
HeliNutAndy

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worcester, MA USA

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Awesome. My directions are crappy too. I kept trying different combinations until it worked. I'm glad I didn't fry anything. It's always nice to help someone because you guys have helped me so much over the years. Hopefully I can fly mine this weekend. Last weekend was too rainy.

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10-05-2015 08:33 PM  26 months agoPost 5
rcnut

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Rockford, Illinois

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I did a test run and tried the FPV on a 7" screen. It works close range, but I get horizontal bars when it gets too far (30+ feet) away. The antennas are the straight type like on the DX8 radio, so that might be the problem. Its a omni directional linear polarized whip antenna.

I also need to change the yaw rate on the rudder, its too slow turning.

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-05-2015 09:10 PM  26 months agoPost 6
Nasty1

rrApprentice

Enf,Ct-USA

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There is a switch on under the red video transmitter, on the left side, flip the switch towards the rear of quad, that will put it in 200mw, also, toss out that junk antenna and put a fat shark on there atleast,

Empire Hobby Team Gaui USA

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10-06-2015 02:06 PM  26 months agoPost 7
rcnut

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Rockford, Illinois

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There is a switch on under the red video transmitter, on the left side, flip the switch towards the rear of quad, that will put it in 200mw, also...
I did that and it helped some...got to the end of the driveway!
...toss out that junk antenna and put a fat shark on there atleast,
I just ordered the 5.8GHz four lobe right hand circular polarized skew planar wheel for my receiver, from Ready Made RC.

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-06-2015 02:09 PM  26 months agoPost 8
HeliNutAndy

rrKey Veteran

worcester, MA USA

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I just ordered the 5.8GHz four lobe right hand circular polarized skew planar wheel for my receiver.
I have not tried mine out yet but I'm guessing my antenna is the same stock antenna. Are those the best? Would you use them on the transmitter too?

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10-06-2015 03:20 PM  26 months agoPost 9
rcnut

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Rockford, Illinois

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Your emax has the 3 lobe right hand circular polarized antenna...not the "whip" type antenna. From what I've read, we are to stay away from the whip style antennas because high frequency 5.8GHz bounces off stuff so easily causing multi-path interference.

Here's a quote from RC HelicopterFun.com;
What FPV antenna (or antenna combination) you decided on really boils down to what frequency you are transmitting on and how far away you want to fly. If you are using higher frequencies in the GHz range which are easily reflected (especially 2.4 & 5.8GHz), those reflected signals as I mentioned, can also easily enter your video receiver antenna causing multi-path video interference. The way around it is to use circular polarized antennas on both your transmitter and receiver.

Circular polarization will basically ignore reflected RF so you won't experience nearly as much reflected RF interference. As a newbie, and definitely if you are using 2.4 or 5.8GHz video, I strongly recommend using circular polarized FPV antennas. As I mentioned before, 5.8GHz is so susceptible to reflected signal RF, using the linear polarized whip antenna sets that come with most of these systems are next to useless. I did try it just to see, and could not believe just how poor the image transmission & range was.
You can read the full artical here: http://www.rchelicopterfun.com/fpv-antennas.html

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-08-2015 06:17 PM  26 months agoPost 10
HeliNutAndy

rrKey Veteran

worcester, MA USA

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Thank you for the link. I read through it and I am still a little confused. I purchased these:

http://www.helidirect.com/video-aer...ip-antenna.html

Hopefully they work well

Thx again.

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10-08-2015 08:57 PM  26 months agoPost 11
rcnut

rrElite Veteran

Rockford, Illinois

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I purchased these:

http://www.helidirect.com/video-aer...ip-antenna.html

Hopefully they work well
Yes, they should. However, you only needed one of them for your receiver. The Emax comes with one for the transmitter, but this is ok, you'll have a spare.

What part did you not understand?

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-08-2015 09:46 PM  26 months agoPost 12
HeliNutAndy

rrKey Veteran

worcester, MA USA

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I read through the article again and I think I understand it better now. I usually like technical mumbo jumbo but in this case I just want some antennas I still haven't even gotten a chance to fly mine yet. I hovered it in the driveway for ten minutes or so but that's about it. I have a few days off from work(long weekend) and I plan on practicing up on my FPV skills.

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