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Old 19 March 2011, 12:07   #11
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Are the two lower bits that curve not braced between each other, its designed like a giant spring!
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Old 19 March 2011, 12:42   #12
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No brace at the bottom. The only brace is half way up the frame.

I think I must have over loaded it with radar.
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Old 19 March 2011, 13:01   #13
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Quote:
Originally Posted by Dr Doof View Post
No brace at the bottom. The only brace is half way up the frame.

I think I must have over loaded it with radar.
I think its reasonable to expect the A frame to be able to take the load of a radar though. It isn't helping matters having more weight up there but its bad design that is the route of the problem.
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Old 19 March 2011, 19:44   #14
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This one was taken a couple of weeks ago before I fitted the radar. It has some movement but not as much as yesterday. Makes me think too much weight at the top.

I thought it would be fine. I think you could be right about the design. Disappointing to say the least.

[YOUTUBE]EcKntrgEhhI[/YOUTUBE]
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Old 20 March 2011, 08:48   #15
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Is that the Humber double wide 1.5 inch frame and what sort of weight is the radar?
I was considering one of these with a radar reflector mounted on top but not if its going to do that!
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Old 20 March 2011, 10:02   #16
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Its a Humber A frame, I think the tube is around 2".

Weight of radar is 7.4kg. I'm not sure what to do with it now. The radar works really well and is very easy to install, set up and understand.

After watching the video I don't really feel comfortable with the A frame flexing like that. Sea state on Friday was slight. Wouldn't like to think what it would be like in moderate or rough.

I'm going to phone Humber tomorrow and see if they can suggest something.
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Old 20 March 2011, 10:05   #17
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How old is the A frame, its not fit for purpose really so if you can I would get Humber to sort it.....
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Old 20 March 2011, 10:14   #18
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Humber make two versions of this frame, I saw the commercial 2" version on friday when at the factory. The one shown is not the 2" commercial one so must be the leisure 1.5" version.
Since the 1.5" version costs nearly 1k I wouldn't be happy at the way it is moving around in that video
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Old 20 March 2011, 10:16   #19
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I think it was fitted at the factory when new in 2003.

I have been thinking about replacing the RIB but not sure what I would go for. I like the way the humber feels sort of planted and never felt uncomfortable with its handling.

I'll see what Humber say tomorrow but just asking there advice as the frame is getting on a bit.
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Old 20 March 2011, 10:17   #20
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I'd take it off stick it on flea bay and get a proper one knocked up.
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