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HelicopterMain Discussion › Deans whip antenna?good or bad?
10-18-2004 09:21 PM  13 years agoPost 1
xcellflyer

rrApprentice

Lake View Terrace CA​91342

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hey everyone.
i just went out to the hobby store and purchased a few items for my bird. i also got the deans one piece mini antenna (P.N 1101). i want to know if this is good thing to put on the heli or if it is bad. i have an X-Cell 60. should i use it??

Deadstick: Two of these can be found on a transmitter that has been inproperly charged.

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10-18-2004 09:44 PM  13 years agoPost 2
FBaity

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Tuscaloosa, AL

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XL, you will get a lot of opnions on this issue. I have used Deans antennas in the past but don't personaly feel you have as much range as a full length wire antenns. Years ago while testing a reciever I put a Deans antenna in a all wood stick plank and flew it. I was suprised at the lack of range as compaired to wire antenna. If you fly in close, do 3D and lots of hovering the Deans would be ok. I fly contest stuff and go way out to setup for rolls etc and don'y feel comfortable with Deans antenna, Just my opnion.

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10-18-2004 10:19 PM  13 years agoPost 3
Mike Wilson

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Toronto, Canada

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Xcel,

FBaity is right. You will get a lot of opinions if you do a search on Deans antennas. I use deans antennas in both of my Fury Extremes and I have had good success with them. I do notice a decrease in range with the Deans when doing a range check but I have not had any issues when flying the heli nearly out of site. The location of the antenna is very critical so make sure it is as far away from the electronics as possible and also far away from any metal objects on the heli. Experiment with different mounting locations while doing a range check and go with the one that gives the longest range check.

...led

Teambob00

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10-18-2004 10:24 PM  13 years agoPost 4
blockatvalpo

rrKey Veteran

Reston, VA

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I haven't had any problems yet, just make sure to follow the instructions when it says 1 inch away from everything. This way you don't interupt the signal.

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10-18-2004 10:30 PM  13 years agoPost 5
pip

rrApprentice

Baltimore, MD

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thoughts

Xcellflyer,
I do not care for the Deans solution (which I have used in the past); I would recommend the revolution item (PN# rvo1010 @ ricks) which is a plastic base and antenna tube. I have found it to be a little more reliable.

A down side to this setup is that as FBaity noted you will see a reduction in range over a full size antenna. With that said I have run them for years in helis with no problems (mounted in the canopy pointing forward).

The up side is that you can place the antenna away from other electronics and other RF generating areas (clutches, belts (static discharge) and ignition boxes (gassers).

Just a couple thoughts,
Pip

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10-18-2004 10:48 PM  13 years agoPost 6
The_Dave

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Las Vegas / Pahrump,​Nevada

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I have used Deans for 20 years. I have NEVER had one issue with range or anything else. As matter of fact I used to have my recievers tuned after having the Deans installed. On time I decided to use a different base loaded antenna, I don't remember the name of the unit but it was of those gold aluminmum based units, and after installing it I went to have it tuned. Mike Byrd, the lead JR service tech (at the time) could not get it to tune in at all....so we figured the antenna was bad, we then tried a revolution antenna (the black plastic ones) and it was even worse! We then decided to put a stock wire antenna back on and we got fairly good reception. Then we tried a Deans and our reception almost dubbled.

Thats all I needed to see! Now I use Deans on everything including all of my planes and have never had a problem.

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10-18-2004 10:50 PM  13 years agoPost 7
da_man

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Central NC

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I also prefer the revolution antenna. I accumulated 4 deans and never and thought I might as well use them. I never had a problem with the antenna breaking. I have been flying with them for 2 years. I only prefer the relolution because it has a mounting brace and seems to me a lot sturdier and less likly break.

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10-19-2004 04:51 AM  13 years agoPost 8
xcellflyer

rrApprentice

Lake View Terrace CA​91342

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hi
im not a full out xtreme 3d flyer like a lot of you. i fly around and do some 3d. im still not good enough to keep the heli really close but im not bad enough that it gets out of sight. its in a reasonable range (at most 200feet). i just want to make sure its not going to fail on me. and how long do you guys cut the antenna to.. it says 4-10 inches how long should it be. also where shouild i mount it. i have the X-Cell S.E wioth the graphite radio tray and there really isnt a spot 1inch away from servos,graphite,or metal??thanks

Deadstick: Two of these can be found on a transmitter that has been inproperly charged.

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10-19-2004 05:46 AM  13 years agoPost 9
Rick_H

rrKey Veteran

Boulder City, Nevada

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I use Deans on all my heli's and most of my planks. I have the new FS8 Co-Pilot system with the flight data recorder and am able to see after the flight how strong the signal was at the receiver during the flight along with any failsafes and lost frames during the flight. So far I have not seen any range problems with the Deans antenna. I was able to rule out radio hits the other day when my tail started kicking every once in a while. Found out it was due to the low needle setting.

When you figure our radio range is around 6000' with the standard antenna, a little loss of range would not affect us. It is very very hard to see a heli at 1000' feet so by the time you ran out of range with the deans you have already lost the heli anyway.

Rick

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10-19-2004 11:21 PM  13 years agoPost 10
xcellflyer

rrApprentice

Lake View Terrace CA​91342

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deans antenna

hey rick
you seem to know a lot about the deans mini antena. to what length should i cut the antenna??4 inches??6inches??10 inches?? also, i have the x-cell graphite S.E with the S.E graphite radio trey. would you happen to know where i should mount the antenna??which way??and how??

Deadstick: Two of these can be found on a transmitter that has been inproperly charged.

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10-19-2004 11:45 PM  13 years agoPost 11
Mike Wilson

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Toronto, Canada

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Xcel,

I usually cut the antenna about 4" but you can cut it a little longer if necessary but I would not go over 6"

...led

Teambob00

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10-19-2004 11:51 PM  13 years agoPost 12
xcellflyer

rrApprentice

Lake View Terrace CA​91342

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okay 5 inches it is! now, what about mounting??how should it be mounted and where?? i have an x-cell s.e with graphite rdio trey?

Deadstick: Two of these can be found on a transmitter that has been inproperly charged.

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10-20-2004 03:18 AM  13 years agoPost 13
ringram2077

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Birmingham, AL

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Keep it as far away from servos as possible. It will work great.

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10-20-2004 03:38 AM  13 years agoPost 14
xcellflyer

rrApprentice

Lake View Terrace CA​91342

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what about underneath everything. on the bottom side of the graphite plate that holds up the fuel tank???

Deadstick: Two of these can be found on a transmitter that has been inproperly charged.

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10-20-2004 04:26 AM  13 years agoPost 15
Wa11banger

rrElite Veteran

Huntsville, Al

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I mount all of mine like the photo below... I never crash flat so they never get broken or damaged. When mounted inside the canopy pointing forward i broke them... I have never had a signal problem either like this I put a zip tie losely about middle to help support it during my wild flying, its attached to the CF frame support

Just my .02
Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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