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[Patrick Henry]

When I get to installing the GiantCod 24ghz rx in my 575, does the antenna wire need to be vertical or horizontal?


Rich

[Peterm]

Vertical.   Pete M

[colin-d]

any 2.4Ghz technology wether its WLAN or Radiogear the Antenna should be as close to vertical as possible.

this gives a better range.

if the Antenna was horizontal then the radio waves would go straight up into the sky or straight into the ground (radial)

[Patrick Henry]

Excellent, thank you guys..vertical it will be.

Rich

[wideawake]

Excellent, thank you guys..vertical it will be.

Rich

Hi there Rich

I'd also recommend getting the rx as high up as possible.  I'm not familiar with the Giant Cod rx but if it only has one aerial then vertical is best, though unless the aerial is in free space the radiation pattern will be far from the theoretical torus (doughnut) around the wire.

HTH

Guy

[Patrick Henry]

Oh...naff! I'd just found a nice place to fit it, just above the ballast that will go in the keel(I was going to make a nice little box for it too... )

Oh well, back to the drawing board...


Rich

[wideawake]

Oh...naff! I'd just found a nice place to fit it, just above the ballast that will go in the keel(I was going to make a nice little box for it too... )

Oh well, back to the drawing board...


Rich

Hi Rich

I'm not saying that it won't work in th eposition you've shown!    Howewever I think range will be significantly better if you can install it so that the aerial (the light colured part of the lead coming from the receiver is well above the waterline.   Could you put it flat on the servo support  by the rudder servo and bend the lead round so that the white part is vertical?


HTH

Guy

[Patrick Henry]

Guy, you took the mouth right out of my words! I was thinking of mounting it on that tray with good old double sided tape and bending the lead up alongside the cabin coaming, away from the sail lines...it should be ok there, that'l be well above the water line.

Thanks mate,

Rich

[wideawake]

Guy, you took the mouth right out of my words! I was thinking of mounting it on that tray with good old double sided tape and bending the lead up alongside the cabin coaming, away from the sail lines...it should be ok there, that'l be well above the water line.

Thanks mate,

Rich

No problem Rich

Cheers

Guy

[funtimefrankie]

When you have two receivers as with the Turborix, what's best?
Don't they (the aerials) need to be at right angles to each other, one vertical and one horizontal ????
ta
Frank

[wideawake]

When you have two receivers as with the Turborix, what's best?
Don't they (the aerials) need to be at right angles to each other, one vertical and one horizontal ????
ta
Frank

Ideally - yes.   However at the ranges we boaters tend to use it ain't critical.    I did some experiments with a spektrum rx at 100 yards and couldn't detect any difference in response no matter what I did with the aerials including twisting the two together.

HTH

Guy

[portside II]

On the 2.4ghz recievers that have two arial wires , although not critical it is best to keep them at 90deg to each other .
I did read on an areomodellers site where someone had taped the wire ends onto a piece of plasticard (square) at 90deg , this kept them at the correct angle and would also keep the instalation tidy .
This was in an areobatic plane where full control is essential.
daz

[wideawake]

On the 2.4ghz recievers that have two arial wires , although not critical it is best to keep them at 90deg to each other .
I did read on an areomodellers site where someone had taped the wire ends onto a piece of plasticard (square) at 90deg , this kept them at the correct angle and would also keep the instalation tidy .
This was in an areobatic plane where full control is essential.
daz

Indeed.   I did emphasise that my comments related to "the ranges we boaters tend to use".   There's also a far higher risk public associated with aircraft.   For aircraft use the receivers with two aerials separated by several inches of cable are the best solutiuon I imagine.

Cheers

Guy

[tigertiger]

I usually exceed 100m when sailing. I guess maybe 200m is my usual limit (eyesight not as good as it used to be). 200m is a long way with a boat that is about 1.5m tall. But the sails make it easier to see than a non sail boat.

As my boats get bigger the range needed will increase. Range is a serious concern for me.

[wideawake]

I usually exceed 100m when sailing. I guess maybe 200m is my usual limit (eyesight not as good as it used to be). 200m is a long way with a boat that is about 1.5m tall. But the sails make it easier to see than a non sail boat.

As my boats get bigger the range needed will increase. Range is a serious concern for me.

Point taken TT.  iIactually did range checks out to 200 yards plus when I was reviewing the DX5e and everything stayed solid.   I just didn't do the more extreme things like twisting the aerials together beyond 100 yards as I felt it was inconcevable that anyone would actually do anything as daft as that 

Guy

[john j]

Indeed.   I did emphasise that my comments related to "the ranges we boaters tend to use".   There's also a far higher risk public associated with aircraft.   For aircraft use the receivers with two aerials separated by several inches of cable are the best solutiuon I imagine.

Cheers

Guy

I tried the same thing as you did Guy, twisting the wires together in a smallish foam eletric ducted fan f-16 with no problems  the airframe was ready for the bin anyway so it was no great loss if it did go horribly wrong.

Would i try it with anything of any value or risk to the public - probably not !

The radio used was a futaba 6ex. maybe you wouldent get away with it with the cheaper sets, i`m not sure

[tigertiger]

Another thing that should be pointed out, although it may seem obvious, the antena for a 2.4 set must be above the waterline if horizontal.

2.4ghz does not go through water, unlike older AM and FM frequencies.

[Netleyned]

Another thing that should be pointed out, although it may seem obvious, the antena for a 2.4 set must be above the waterline if horizontal.

2.4ghz does not go through water, unlike older AM and FM frequencies.

Or Vertical!

[Peterm]

Rich, you can now see there is no such thing as a quick question!   Pete M

[funtimefrankie]

Rich, you can now see there is no such thing as a quick question!   Pete M

Quick question.....long answer(s) 

[Bee]

200m max range. mmm must remember that if I walk out of the park, across the carpark, and down the street when my model is on the far side of the lake. 

[Patrick Henry]

Rich, you can now see there is no such thing as a quick question!   Pete M

I knew I shouldn't have even contemplated asking...



Rich