Author Topic: Congratulations to Adrian P. for his launch!!  (Read 3668 times)

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Brian.Dixon

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Congratulations to Adrian P. for his launch!!
« on: July 25, 2012, 01:02:26 PM »
First launch of a wood/glass/epoxy Great Alaskan:

Congratulations to Adrian P. of Gresham, OR for being the first to launch a wood/glass/epoxy GA built (closely enough) to plan ...he wins the $500 in gas money for being the first to do so!  See video and pix here:

41+ kts Great Alaskan!  <--CLICK THIS LINK



His boat is a 26-footer with 2-foot sponsons, which effectively give it almost the same waterline as a 28-footer.  Watch the vids of the boat catching up to and passing his friend's, and watch vid #5 to see the smooooth wake that this boat throws.  Adrian has a wicked-fast 250 hp outboard on his!

Brian

« Last Edit: January 21, 2014, 10:20:29 AM by Brian.Dixon »

Brian.Dixon

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Re: Congratulations to Adrian P. for his launch!!
« Reply #1 on: August 11, 2012, 04:03:27 PM »

Update on Adrian's boat tests:

1) He's tested it pretty thoroughly in short-period (4 to 7 seconds between peaks) big swells/waves and a 25 knot wind ...and the boat performed and handled great.  He got a bit of wind blown spray into the boat, but recall that his 'pilot house' has no sides yet.  He's going to make some vinyl sides w/windows that he can put on to keep spray out on the nastier weather trips.

2) Top speed that he's reached so far with his 250 hp outboard:  47 mph (41 knots).  He said there was some throttle left, but he started to pick up a little porpoising at speeds higher than that so he called it good and let off.

3) If I recall from our phone conversation, he's getting around 3.5 mpg in mixed snotty and good conditions.

4) Noting that his rendition of a GA has no aft pilot house bulkhead and he had no issues with flex (oil canning, hogging) or torque (racking) when driving through those steep short period swells, it also sounds like the boat's strength with flush glued- and glassed-in decks is strong enough for the boat to have a walk-around house and no aft house bulkhead.  Note that he used 1-1/2" thick shelves under his sheer decks and his sheer decks are 17" wide (if I recall).  This adds a lot of stiffness to the boat.  Either way, this combination works for a fully-open deck and/or a walk-around house.  This is good news for those that have been asking about a walk-around house.

Brian


xrayengineer

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Re: Congratulations to Adrian P. for his launch!!
« Reply #2 on: August 12, 2012, 06:48:42 AM »
Thanks for the update!