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Old Feb 17, 2013, 11:34 PM
Mobius Cables... I got em'
chanyote66's Avatar
United States, TN, Oak Ridge
Joined Dec 2011
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Originally Posted by polix View Post
really? hmmm i dusted off the 900mhz gear and popped a blue beam set on them and blew away my 5.8 set on my hex today, perhaps i should try it on my SSS, i did after all order the RHCP patch as well...

ok.. project for this coming weekend
yup... 5.8 looks all cute and small but the good-ol' lower frequencies will kick its A$$

Keep 5.8 for Multi rotor stuff... your SSS deserves more!
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Old Feb 17, 2013, 11:35 PM
Crashaffinity on youtube
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Quote:
Originally Posted by chanyote66 View Post
yup... 5.8 looks all cute and small but the good-ol' lower frequencies will kick its A$$

Keep 5.8 for Multi rotor stuff... your SSS deserves more!
yeah, i thought that until i flew into a nice batch of trees and didn't lose my video signal today ... i'm just gonna have to order some extra antennas for the 900 gear
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Old Feb 21, 2013, 03:33 AM
9W2DLR
Malaysia, Federal Territory of Putrajaya, Putrajaya
Joined Nov 2011
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is there a different type of mig wire the one i got is dam hard to solder, even with my soldering station set to 500 degrees the solder just wont stick, i have to grind the mig and solder but it one chance job if failed first try need to grind it again or else the solder just flow like oil on water
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Old Feb 21, 2013, 10:30 AM
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St Catharines Canada
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Try a different flux. [That mig wire does have a copper coating?]


Richard
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Old Feb 21, 2013, 10:50 AM
9W2DLR
Malaysia, Federal Territory of Putrajaya, Putrajaya
Joined Nov 2011
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Quote:
Originally Posted by The Tellurian View Post
Try a different flux. [That mig wire does have a copper coating?]


Richard
not sure about the copper, maybe it does not have copper as if i leave it overtime i see rust start tu buildup, i use to have a bottle of liquid flux but seem missing from my desk now using paste two of them, i'm electronic base so i just bought that i think should work

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Old Feb 21, 2013, 03:12 PM
Mobius Cables... I got em'
chanyote66's Avatar
United States, TN, Oak Ridge
Joined Dec 2011
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I have used various flux and havent found anything that will work easy with mig wire even with my 800 and 900 degree tips. When Im making the wire i scrape the ends to remove the coating, then flux and tin them prior to building. This prevents a bunch of headaches.

Chris
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Old Feb 21, 2013, 11:42 PM
Engineer for Christ
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Amherst, VA
Joined Jun 2006
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Originally Posted by chanyote66 View Post
I have used various flux and havent found anything that will work easy with mig wire even with my 800 and 900 degree tips. When Im making the wire i scrape the ends to remove the coating, then flux and tin them prior to building. This prevents a bunch of headaches.

Chris
At that temperature you burn the coating off of the wire. I personally run my iron at 550 degrees F.

-Alex
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Old Feb 22, 2013, 11:22 AM
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Canada, ON, St. Catharines
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Well I got to try out my freshly made SPW and CL antennas yesterday. All I can say is wow, I took almost no pride in making mine, just wanted to do a dry run and see if I was even capable of getting them close. Tried them out anyway and it was a world of difference over stock antenna. If you have any doubts in yourself about making the antennas, give it a shot you'll surprise yourself.

Too bad my first time using goggles was the same time I was trying out the antennas. It was cold out, they fogged up, I crashed.

Needless to say, the CL doesn't look like this anymore.

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Old Feb 22, 2013, 12:07 PM
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noo pride , they look real good for no pride . i have to agree with you on the range increase . they are worth the time
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Old Feb 22, 2013, 12:29 PM
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This simple jig I made helps keep things straight.

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Old Feb 22, 2013, 03:21 PM
Mobius Cables... I got em'
chanyote66's Avatar
United States, TN, Oak Ridge
Joined Dec 2011
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Originally Posted by IBCrazy View Post
At that temperature you burn the coating off of the wire. I personally run my iron at 550 degrees F.

-Alex
ya, I usually use either my 500 or 600 tip for my weller. I was just testing one of the "desoldering" tips for extra heat..

Chris
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Old Feb 22, 2013, 10:38 PM
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Calgary, Alberta, Canada
Joined Jun 2009
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Originally Posted by Keddy View Post
This simple jig I made helps keep things straight.

Couldn't figure out just what you were doing here till I realized it was a plexiglass base. Neat idea. Gives me some ideas
Bill
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Old Feb 23, 2013, 12:27 AM
9W2DLR
Malaysia, Federal Territory of Putrajaya, Putrajaya
Joined Nov 2011
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Quote:
Originally Posted by IBCrazy View Post
At that temperature you burn the coating off of the wire. I personally run my iron at 550 degrees F.

-Alex
i think the mig i have does not have copper coating? as solder does not stick very well, also it does not conduct heat at all, I heat up the other mig end (50mm) at 500F touch the other end does not feel a thing
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Old Feb 26, 2013, 07:01 PM
Radian +2.4Ghz FPV = way to go
Canada, BC, Richmond
Joined Dec 2012
368 Posts
hi, can anyone tell me where he got the number 614035 from?? shouldnt it be the speed of light (300000000) divided by frequency (say 1.2ghz, so 1200000000) and thats the total length in meters that your antenna needs to be???
Please help

"Long Wire length in mm = 614035/f in MHz"
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Old Feb 26, 2013, 08:10 PM
Radian +2.4Ghz FPV = way to go
Canada, BC, Richmond
Joined Dec 2012
368 Posts
anyone??? I would be happy if you could just give me the equation he used to find the length in meters required
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