Need Engine Tilt Advice

A forum for discussing topics relating to MacGregor Powersailor Sailboats
raycarlson
Captain
Posts: 789
Joined: Wed Jul 30, 2008 1:42 pm
Sailboat: MacGregor 26M
Location: tucson,az

Re: Need Engine Tilt Advice

Post by raycarlson »

most likely at 4000rpm you are on the verge of planeing and are getting some air between your transducer and the water,so you get loss of whatever signals are recieved thru the transducer.
acmaui
Deckhand
Posts: 25
Joined: Sun Aug 12, 2012 7:35 pm
Sailboat: MacGregor 26M

Re: Need Engine Tilt Advice

Post by acmaui »

The GPS (and other house appliances) are wired to the house batt. The starting batt is dedicated to the motor. So when the house batt on my boat ran down the GPS lost depth and temp. Everything else seemed okay.

I would bring a voltage meter with you and if it acts up again, check it.
Oh.....if you have the same GPS (Garmin 440s) then press Select, down to Sonar, select and it will display the battery voltage at the bottom of the screen. Easy to test if voltage is the issue if it acts up again on you.

--Russ[/quote]

Thanks Russ, I'll check the batteries tomorrow after three days on shore power and see if they have a different charge. They're sisters purchased at the same time so they should be very close if everything is wired right. I haven't checked, but I would have assumed they were in parallel and both shore power and engine power would have charged them both. Is that how most have them rigged? The Garmin is 545s if memory serves.
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DaveB
Admiral
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Joined: Mon Jan 07, 2008 2:34 pm
Sailboat: MacGregor 26X
Location: Cape Coral, Florida,1997 Mac. X, 2013 Merc.50hp Big Foot, sold 9/10/15

Re: Need Engine Tilt Advice

Post by DaveB »

Always good to have one rudder down with a quick release cam when running in shallow waters. The quick release will lift up rudder and you will have time to stop engine/or quick reverse before your prop. hits.
I rely on the quick cam as rudders are down further than prop. and much more reliable than a depth sounder. :)
You never know when you hit a floating object just below the surface or a object above chart depth.

Dave
Ormonddude wrote:The Shim is normal and with the engine all the way down it should slightly beyond 90 degrees on most installations and yes the hydraulics are designed to handle the engine thrust at trim so it sounds like your OK - I ran my engine aground at JMGT 2012 and the pump locked up so I will be watching the tilt/trim threads lol first I am going to manually tilt it using the release screw then I am going to check the Motor and walk my way around the system first checking the electronics then working into the hydraulics (most likely get a seal and O ring kit) and get it sorted out
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