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Author Topic:   190 Montauk in FL Keys
bben posted 01-20-2012 01:15 PM ET (US)   Profile for bben  
Hi guys, I currently have a 2008 170 Montauk and I do all of my boating in the Keys - Sugarloaf Key. It has been a great boat but it is getting a little small for my growing family. I go through some very shallow water (1-2 feet at low tide) and there are many hard spots that I have to traverse to get to both the ocean and the gulf side. My skeg is pretty banged up and I have now swapped to an aluminum prop. It took me a while to learn the waters but I feel like I know the waters better now and havent had any hits in a while. My question is how realistic is it to upgrade to the 190 with such shallow waters? My guess is that I could get trim tabs that may put me in the same position that I am with the 170 now without tabs? Is it fair to assume that the difference in the water draw would be the same once on plane? I also think I would go with the 150 HP option to get the jump more quickly. Many questions - if anyone has any advice, I would appreciate it. Thank you. Ben
Dauntless_14_TX posted 01-20-2012 04:27 PM ET (US)     Profile for Dauntless_14_TX  Send Email to Dauntless_14_TX     
I boat shallow water like you here in Texas with my 180 Dauntless with a 150 Optimax. On plane your boat and the 19 should draft the same. However you'll likely never get up on plane in 1-2 feet of water. I have a hydraulic jack plate and tabs on my boat and can get on plane in 2 feet, if the bottom is soft, but I try and avoid this. On plane I can run through 1-2 feet no problem as with the motor raised up and tabs down slightly I imagine I'm only drafting maybe 7-10 inches.
conch posted 01-20-2012 09:25 PM ET (US)     Profile for conch  Send Email to conch     
Ben one to two feet of water is what we have to work with.
I think you will enjoy the 190 Montauk with 150hp.

Dauntless-14-TX is giving you the correct information. With a hydraulic jackplate (I use CMC),and tabs (I use Lenco),you will plane in 1 to 2 feet of water with no problem.

190 would be nice both ocean and bay side.Go back to a stainless prop if you can.

Chuck Plantation Key MM86

Jefecinco posted 01-21-2012 11:40 AM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     
It appears to be useful to be able to get on level plane quickly in skinny water.

A four blade stainless steel propeller is often cited as being useful for good hole shot performance. Would a four blade propeller also be useful in conjunction with trim tabs and a hydraulic jack plate on a 190 Montauk with a 135 Verado operated in skinny water?


bben posted 01-21-2012 04:55 PM ET (US)     Profile for bben    
Thanks for the replies. I am familiar with the trim tabs (my Dad's old flats boat has them) and they seem like a great idea for a 190. I researched the jackplate and I understand what it does but it sounds like it could be costly? Chuck, it is funny - I have noticed a difference in both speed and getting up on plane when I swapped out to the aluminum prop - I did it only because I was too uncomfortable with the shallows and afraid of bending the prop shaft if I hit hard. I feel pretty good now and will swap back on my next lower unit fluid change. It sounds like I can make the 190 I have to get my other half on board with the expense! Thanks again. Ben
conch posted 01-22-2012 08:58 AM ET (US)     Profile for conch  Send Email to conch     
A CMC hydraulic jackplate would be about $1000.00 installed with a gauge. There are other brands and configurations of jackplate as to whether the pump is in the boat or not.

Different trim tab setups also available.

My CMC jackplates effortlessly lift and lower 500 Yamaha horsepower under power all day long ,and provide about 5 inches of setback.

I wouldn't bother with a manual plate,though they are much less expensive. I also have a manual CMC plate on the 15 Sport with 70hp but would prefer hydraulic.

Tides have been very low this week in the backcountry and the wind is not helping. A hard grounding in the Sanctuary costs about a $100.00 a foot in fines for prop scar damage on the sea bed. Makes a jackplate seem cheap.


conch posted 01-22-2012 09:18 AM ET (US)     Profile for conch  Send Email to conch     
Butch I have seen many backcountry skiffs using 4 blade props but I have never tried them myself, even some 5 blades.
Seems the common theme is max horsepower and more for the hull, with a jackplate with tabs,then finding the best prop.

250Hp+ 16-18 foot skiffs are very common.

100 year anniversary of the railroad in the Keys today,even a parade. Sure is good fishing around the bridges.


bben posted 01-22-2012 09:35 AM ET (US)     Profile for bben    
Thanks, Chuck. Hydraulic is the way to go for sure. Enjoy the parade...I am stuck up north in snow at the moment!

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