wreck image

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moonraker

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sorry should have said, they are sidescan images took with a hummingbird system. it lets you do a screenshot capture and i thought they might be of interest. i've got some more wreck images and a couple of image of bits of peir etc. still trying to figure out the best way of posting them.
 
these are of the olsofjord and other wrecks just south of tynemouth.
 

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Great pics moonraker, keep em coming.

I was very sceptical about the side scan units but those pics look good.

The dark stripe down the middle...does that show as a standard graph elsewhere....or do you assume the left and right images meet in the middle?

What model of hummingbird is it?

I heard a whisper that someone from here has fitted a 3d sonar...would love to see that work ;)

Best way to put images up is to host them on a website somewhere and post the link here using the IMG tags. That way they appear direct in the post and dont disappear or fill your attachment quota. If you need help putting pics up pm a moderator or I would be happy to host em for you. Hope the local pub landlord never works out I am using his website to do it...wonder if you can get put on pubwatch for abusing a website?;)

Cheers
Dave
 
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the dark stripe in the middle is meant to represent the vertical view through the water and gets proportionally wider with depth, which leads to the main limitation of the system which is its maximum depth for sidescan of approx 150 ft.The fishfinder works to 1500 ft in 2d mode.
the system is the 997cSI.
thanks for the advice on posting, will try that with the last few images.
 
Had a look into this since I last posted.

Seems the side scan image is seriously affected by swell and best used in calm water. (1ft max seems tobe the recommended max)

Have you found this to be the case?

Is this why the images posted ( very good quality I have to say) are from inshore/in harbour marks?

The answer is to use a towfish ( or towed array) to house the sender. That way it stays stable in the water even when the boat goes up and down. Been looking at some designs and it looks like something you would buy at an anne summers shop...hmmm now theres a thought :)

Basically...are they worth the money? :)

Cheers
dave
 
i've had good images in two ft swells but your right its a calmer weather system, and because of where the sender is mounted at the moment i can only get good images at speeds below 8 mph. i have got really good images offshore but sadly damaged the sd card when i tried to download them onto the pc. i have to say that for all the functions the system has, its too expensive at the price they want for it in the uk, the USA model is half that price and is almost worth it. the 797 model has a smaller screen and price tag. its quite good at showing bottom detail over a wider area than a 2d fishfinder but at the end of the day its not going to replace a good fishfinder. i use it normally in split screen mode half side scan half 2d fishfinder(i will get a shot next time i'm out) then i think its a very usefull tool, but still cant say i would ever pay the full price for one because at uk retail, no, not worth it.
 

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