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bouttime's picture

Posts: 702

Date Joined: 27/07/06

You will need to move your

Fri, 2016-05-06 20:24

You will need to move your transducer to a better location or maybe to high or to low. I had the P66 on my 588 and now the 1kw and both read over 30knts. try up and down first and see where it sits in the water.

A few pics might help

barracuda's picture

Posts: 192

Date Joined: 01/09/13

Sorry not

Fri, 2016-05-06 21:15

 sure what's happening with the photos, I hope you can see the p66

Tim's picture

Posts: 2493

Date Joined: 26/09/06

Low

Fri, 2016-05-06 21:43

Looks a little low in the pic.
Not sure but is there a strake in front of it that could be directing bubbles towards it?
What model is the boat? I have the 200
 

barracuda's picture

Posts: 192

Date Joined: 01/09/13

Ok thanks Tim

Fri, 2016-05-06 22:08

there is no  chimes in directly front of it 

but I could try raise it, till completely level with bottum 

I have the 18ft

Tim's picture

Posts: 2493

Date Joined: 26/09/06

Mine stop further forward but

Sat, 2016-05-07 13:21

Mine stop further forward but are still there and can effect the picture.

My p66 was mounted higher and would give a good picture at 30knots

Posts: 6265

Date Joined: 26/04/14

 dont no the p66 but i would

Sat, 2016-05-07 03:04

 dont no the p66 but i would have thought go slightly lower

 

 

bouttime's picture

Posts: 702

Date Joined: 27/07/06

 I would agree with tim looks

Sat, 2016-05-07 02:30

 I would agree with tim looks a little low. Have a look where it is sitting in the water when your on the plane. 

Scotte's picture

Posts: 1143

Date Joined: 07/12/06

 Also make sure  trailing

Sat, 2016-05-07 08:29

 Also make sure  trailing  edge  of p66 is lower  than the  leading egde when your plainning

Posts: 251

Date Joined: 28/07/11

 I have my mounting bracket

Sat, 2016-05-07 08:32

 I have my mounting bracket down on the transom edge so a couple centremetres lower than where yours is and I get a good pic up to and over 20knts. Lose a bit when it's rough but I think most would.

barracuda's picture

Posts: 192

Date Joined: 01/09/13

Ok great

Sat, 2016-05-07 09:39

thanks I will give these suggestions a try

Much appreciated 

Posts: 128

Date Joined: 14/09/11

Airmar Manual

Tue, 2016-05-10 20:24

 My suggestion would be follow the Airmar installation instructions to the letter, this should give you a bit of a baseline to start with. 

I remember doing something similar with a TM260, a small amount of time with a ruler/straight edge to set it up as Airmar suggested was worth it. The shape of your hull looks like it should produce clean water. 

I'm assuming you lose bottom on both 50 khz and 200?

A bit of tinkering should see that setup perform really well.