Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

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jtms
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Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jtms » Mon Jun 27, 2022 9:53 am

Q1: What is the overall length of a 190 MONTAUK when the engine is tilted up?

Q2: What is the overall length of a 170 MONTAUK when the engine is tilted up?

BACKSTORY
I have a classic 17 Montauk. I may buy a larger Montauk. My boat is kept in the water behind my house at a neighborhood dock; the neighborhood dock has a length restriction of 21-feet with the engine trimmed up. I prefer a 190 MONTAUK.

jimh
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jimh » Mon Jun 27, 2022 10:18 am

The overall length of the boat remains the same, as the boat length does not include the engine.

Are your neighbors really going to measure down to the inch?

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Phil T
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby Phil T » Mon Jun 27, 2022 11:06 am

In determining LOA for trailer sizing, we use the length over all (LOA) of the hull plus two-feet for the engine in the horizontal position.

For the engine tilted out of the water, I would add two-feet more

170 Montauk = 21-feet 4-inches
190 Montauk = 23-feet 4-inches
1992 Outrage 17
2019 E-TEC 90
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jtms
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jtms » Mon Jun 27, 2022 1:22 pm

jimh wrote:The overall length of the boat remains the same, as the boat length does not include the engine.
I understand the length of the boat does not change, but I wasn't sure how much to add to the LOA with the engine cowling plus lower [unit] trimmed out of the water.

jimh wrote:Are your neighbors really going to measure down to the inch?
We have limited space at our neighborhood dock and if everyone is over the allowable size of 21-feet, we'll have a problem--and then the measuring tape will come out. I'm the board so it wouldn't look good if I wasn't complying with the rules.
Last edited by jtms on Mon Jun 27, 2022 1:32 pm, edited 1 time in total.

jtms
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jtms » Mon Jun 27, 2022 1:28 pm

Phil T wrote:170 Montauk = 21-feet 4-inches
190 Montauk = 23-feet 4-inches
Thank you. That helps. A 190 Montauk might not be doable, and I might have to focus on the 170 Montauk. But I'm not sure the 170 Montauk is that much bigger than my classic 17 Montauk to justify a new boat.

Dang it, guys. You are supposed to help me justify new toys (haha).

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Phil T
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby Phil T » Mon Jun 27, 2022 2:16 pm

The 170 is a completely different boat that the MONTAUK 17.

The 170 MONTAUK has a significantly wider beam, 8-inches more than the MONTAUK 17. It feels VERY roomy with the narrower console.

The 190 MONTAUK is a big step up from the 170 MONTAUK. While it is two-feet longer, the hull is much larger.

Find a 170 MONTAUK owner and treat them to something, so you can walk around the boat and go for a short cruise.
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dtmackey
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby dtmackey » Mon Jun 27, 2022 2:26 pm

Phil T wrote:In determining LOA for trailer sizing, we use the length over all (LOA) of the hull plus two-feet for the motor in the horizontal position. For the engine tilted out of the water, I would add two-feet more.
Two-feet more doesn't sound like enough to me. The distance may also vary slightly for different engine brands.

If they are measuring the boat for compliance to the rule, guess-timates will not provide solid reassurance it will meet the requirement.

Whaler states for a 170 MONTAUK on trailer:

23-feet 6-inches x 8-feet 3-inches x 7-feet Package Boat Specs
(on trailer with engine up; reduction for swing tongue 2-feet 8-inches)
It'll be close.

https://boats-from-usa.com/sites/default/files/boats/2015-02/26/30799/boston-whaler-170-montauk-321485.jpg

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Phil T
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby Phil T » Mon Jun 27, 2022 2:46 pm

Mackey - I added two-feet to the two-foot-depth of the engine for a total of four-feet.

Should I pull my Outrage 17 out of the garage, tilt the E-TEC 90 up and measure?
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jtms
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jtms » Mon Jun 27, 2022 2:51 pm

dtmackey wrote:Two-feet doesn't sound like enough to me
I think PHIL T was saying they add two-feet for the engine and two-feet when the engine is trimmed so four-feet plus the LOA

I was guessing [the length with engine tilted up] would be around three-feet plus the LOA.

To your point: I posted in an attempt to get actual measurements instead of guess-timates, but any input is appreciated.

The local dealer does not have a 170 or 190 Montauk in stock otherwise I'd run down and measure myself.

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Phil T
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby Phil T » Mon Jun 27, 2022 3:24 pm

I pulled my boat out. Curiosity wins. Think: how many licks does it take to get to the center of a Tootsie Roll Pop?

Engine_tilted_distance2.jpg
Fig. 1. Measurement of distance from transom of a fully tilted engine.
Engine_tilted_distance2.jpg (109.19 KiB) Viewed 1902 times


This is a 20-inch shaft E-TEC 90 engine. Measurement was from the top of the transom to the farthest point, the tip of the Viper 19 propeller.
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jimh
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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jimh » Tue Jun 28, 2022 7:01 am

You could save about two-feet if you left the engine in the operating position for the "official measurement."

I just measured the distance from the transom to the tip of a propeller blade on my 25-inch-shaft E-TEC 225-HP: it's 47-inches. But I measured with the engine in the trailer-lock tilt position, which won't quite get the skeg completely out of the water. That's why the propeller blade tip was the farthest distance from the transom.

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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jtms » Tue Jun 28, 2022 9:50 am

Phil T wrote:I pulled my boat out. Curiosity wins. Think: how many licks does it take to get to the center of a Tootsie Roll Pop?

Engine_tilted_distance2.jpg

This is a 20-inch shaft E-TEC 90 engine. Measurement was from the top of the transom to the farthest point, the tip of the Viper 19 propeller.


Fantastic and thank you for doing this, I really appreciate the effort. Looks like a 190 Montuak will be too long with the engine trimmed out of the water.

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Re: Overall Length with Engine Trimmed Up: 190 or 170 MONTAUK

Postby jtms » Tue Jun 28, 2022 10:22 am

jimh wrote:You could save about two-feet if you left the engine in the operating position for the "official measurement."
I'll spare you the details, but I'm on the board and I have to follow the rules exactly.