Radar reflector

[m chappelow]

Originally Posted by mister p

One would imagine then, that a radar reflector mounted from it's top and hanging from the A-frame like a lantern ( maybe with a weight attached "pendulum" stylee ), would present it's reflector flanks correctly. Esp for yachty types who are at an angle when under way.

There were some that came out in the late 1970s looked like a large globe or ball ,they were a sealed for life unit and came with great blag how good they were with state of the art secret internals.

Secret internals what a joke.... we cut one in half and basicly it was 4 very corroded metal reflector blades that floated on a foam raft in a bath of antifreeze with a weight on the bottom so it kept upright ,,,worked bit like a liquid filled compass ,,
they were really expensive too, but after a couple of years the reflective surfaces began to corrode away or the foam had soaked up the antifreeze making the thing useless.

[Poly]

Originally Posted by mister p

One would imagine then, that a radar reflector mounted from it's top and hanging from the A-frame like a lantern ( maybe with a weight attached "pendulum" stylee ), would present it's reflector flanks correctly. Esp for yachty types who are at an angle when under way.

Yes in principle. Having seen the regular "my cheap VHF aerial bracket has snapped" threads I expect that it would need to be a properly engineered solution which would cost more than an echomax or trilens.

Originally Posted by mister p

Even if it's swinging it would "flash" for the receiver, as it were.

Bear in mind that the electronics / software in modern radar are quire sophisticated - they are specifically designed to remove spurious noise.

[MarkM]

I have a Pdf file called:
"Performance Investigation of Marine Radar Reflectors on the Market" by QinetiQ.
It is very interesting so I would like to share it with you but don't know how to put a 2,2 Mb Pdf on here.
Anyone???

[Poly]

Originally Posted by MarkM

I have a Pdf file called:
"Performance Investigation of Marine Radar Reflectors on the Market" by QinetiQ.
It is very interesting so I would like to share it with you but don't know how to put a 2,2 Mb Pdf on here.
Anyone???

Mark, although I am sure the MAIB wouldn't object in principle to sharing the information - that publication is copyright MAIB/QinetiQ and so probably shouldn't be hosted here.

The good news is there is a copy on the MAIB website - along with some interesting stuff on visual acuity of people wearing photochormic (a.k.a. reactalight) specs at night: http://www.maib.gov.uk/cms_resources...zo_Annexes.pdf

[MarkM]

Originally Posted by Polwart

Mark, although I am sure the MAIB wouldn't object in principle to sharing the information - that publication is copyright MAIB/QinetiQ and so probably shouldn't be hosted here.

The good news is there is a copy on the MAIB website - along with some interesting stuff on visual acuity of people wearing photochormic (a.k.a. reactalight) specs at night: http://www.maib.gov.uk/cms_resources...zo_Annexes.pdf

Thanks, I understand. The Pdf-file on my computer isn't the same, it's more extensive with more focus on smaller craft.

[Poly]

Originally Posted by MarkM

Thanks, I understand. The Pdf-file on my computer isn't the same, it's more extensive with more focus on smaller craft.

Ah, I think I posted the wrong link - I will post the right one later.

EDIT: Here is the correct link: http://www.maib.gov.uk/cms_resources/Radar reflectors report.pdf

[mick]

Ordering one of these next week spoke to John at Echomax going for white with black welds

[Festinghouse]

im thinking that if there is a "ebay blue rib cover club", then we should have a "echomax dustbin club"! im in!

[Pikey Dave]

Originally Posted by Festinghouse

im thinking that if there is a "ebay blue rib cover club", then we should have a "echomax dustbin club"! im in!

#2

[mick]

Originally Posted by discomick

Ordering one of these next week spoke to John at Echomax going for white with black welds

Joined the Echomax club today need to do some fabrication on a bracket to fix it ,also picked my reupholstered seats up yesterday they look good.

[mister p]

Don't be reliant on being "picked-up", make sure you're "heard"!
And to be HEARD you need to YELL..........

[mister p]

Be able to yell!!!!!!!!

[kerny]

Originally Posted by discomick

Joined the Echomax club today need to do some fabrication on a bracket to fix it ,also picked my reupholstered seats up yesterday they look good.

We will be looking forward to your pics

[Johnscubanut]

So, is everyone in agreement that the small tube type reflectors are useless? We need fit our dive rib out with a decent one soon, echomax type then?

[mick]

Originally Posted by Johnscubanut

So, is everyone in agreement that the small tube type reflectors are useless? We need fit our dive rib out with a decent one soon, echomax type then?

It's looking that way give them a call and negotiate a deal.

[Johnscubanut]

I did & we have! Thanks

[mick]

Originally Posted by Johnscubanut

I did & we have! Thanks

Good been trying to source some stainless today to fix to A frame

[Pikey Dave]

Originally Posted by discomick

Good been trying to source some stainless today to fix to A frame

Mick, don't underestimate the loads created by the "dustbin" when the going gets lumpy. The bracketry needs to be , ahem, substantial.

[mick]

Fitted today 5mm plate with extra length for when I get my go- pro

[Nightfisher]

Hi all,
Thought this might be interesting. It's a how-to on making radar reflectors out of CDs. What I like most about it other than low-cost and effectivness, is it stores flat (take'm apart) and you can make as many as you feel is needed.

R-reflector out of CDs: Really Lightweight Radar Reflector built with CDs