FS 19 build

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TomW1
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Re: FS 19 build

Post by TomW1 » Sun May 27, 2018 10:04 pm

Browndog any news on the boat. It has been a while since you got the stickers.

Tom


Restored Mirror Dinghy, Bought OD18 built by CL, Westlawn School of Yacht Design courses. LT US Navy 1970-1978

Browndog
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Re: FS 19 build

Post by Browndog » Wed May 30, 2018 3:36 pm

All is well. Been out of town is all. Next week will post an update on the boat.

TomW1
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Re: FS 19 build

Post by TomW1 » Wed May 30, 2018 11:48 pm

Cool do you have enough hours on the motor to have it broken in now?

Tom
Restored Mirror Dinghy, Bought OD18 built by CL, Westlawn School of Yacht Design courses. LT US Navy 1970-1978

Browndog
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Re: FS 19 build

Post by Browndog » Thu May 31, 2018 8:00 pm

Yes. The motor is broken in and has received the post break in service too.

TomW1
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Re: FS 19 build

Post by TomW1 » Thu May 31, 2018 11:44 pm

Great when your ready do a test of the prop and see how she preforms compared to what I calculated. Run the boat up in 1000 rpm increments until you hit max rpms. If you hit 6300 then you may need to go up a prop size.

Regards

Tom
Restored Mirror Dinghy, Bought OD18 built by CL, Westlawn School of Yacht Design courses. LT US Navy 1970-1978

Browndog
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Re: FS 19 build

Post by Browndog » Thu Jun 07, 2018 8:48 am

Got the Hull Identification number engraved on to the transom and then coated with epoxy. Did it with a Dremel tool and an engraving burr. Once the epoxy dries I will touch it up with some paint. Also made a marine plywood plaque engraved with the HIN to glue on inside an unexposed area per regulations.

3096

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pee wee
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Re: FS 19 build

Post by pee wee » Thu Jun 07, 2018 10:14 am

Nice and neat looking.
Hank

Browndog
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Re: FS 19 build

Post by Browndog » Thu Jun 14, 2018 7:47 pm

Ran the boat today finally to get some performance numbers from the motor and propeller in the new configuration without jackplate. Full gas tank, otherwise lightly loaded with just myself and the dog onboard. The numbers are from my best recollection as I didn’t have a pen or paper on board, but wrote them down as soon as I got back to shore.

RPMs Speed
1000 4 MPH

2000 8 MPH

3000 13 MPH

4000 23 MPH

5000 34 MPH

6000 38 MPH

6300 42 MPH. 3.8 MPG Fuel flow rate

The propeller does not blow out in turns anymore and the boat is able to make sharper turns at higher speeds. The absolute top speed is with the motor tilted up a bit and the trim tabs dialed in to get the boat attitude just right. I believe the rev Limiter kicks in at 6350 RPMS. It still felt like the last 1-200 RPMS didn’t do much, the trim tabs and motor tilt probably contributed more at that point to get the top speed. Still thinking about going up in pitch to bring the RPMs down to maybe 6100

Tom, What do you think?

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Re: FS 19 build

Post by Browndog » Wed Jul 04, 2018 2:36 pm

Got the water in the gas issue fixed and the new propeller with higher pitch installed. The boat is running great!

Yesterday my friend Lou and I ran the boat with 2/3 of a gas tank. 6 rods and reels, three bags of ice and a cooler full of beer, soda and water, lunch and snacks.

The rear scuppers are not taking on water anymore, but we never filled the livewell and baitwell.

The average of speeds and RPMs going both down current and up current are as follows:

1000 RPMs = 5 MPH
2000 RPMs = 8 MPH
3000 RPMs = 16 MPH
4000 RPMs = 30 MPH & 6.8 MPG
5000 RPMs = 36 MPH & 5 MPG
5900 RPMs = 43 MPH & 3.8 MPG

I feel like the new propeller is a better fit and the holeshot is not compromised one bit. The boat still can maintain plane down to about 13 MPH.

Very pleased with the performance and especially the efficiency of the Yamaha 115 HP four stroke motor combination with the FS19 boat. The boat rides extremely smooth and dry. Handles chop extremely well too. Very nice to fish out of.

At one point yesterday while we were fishing I was looking around at the boat and I was smiling and couldn’t hardly believe that I actually built the boat. Really proud. After we are done scalloping we’ll come back home to Georgia and transfer ownership and then the boat is headed home to Virginia.

My brother is coming back down in a few weeks, and we will probably trailer the boat down to Crystal River, FL for some scalloping and maybe some fishing. Any of you guys down there would be welcome to come along or come and see/ride on the boat while we are there.

OrangeQuest

Re: FS 19 build

Post by OrangeQuest » Wed Jul 04, 2018 6:42 pm

Looks like 4000rpm and 30 mph is a good cruise speed and fuel efficiency. It a good looking boat to be proud of.

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