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‘89 HST rebuild ( Blown out bottom)

Restoring your Hydrostream or just giving it a small makeover? What better place than to show off your project. Big or small.
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bigboy
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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26246Post bigboy »

You are doing a great job and making good progress Ron. Thanks for sharing the pictures. Brings back the memories of when i was doing mine!

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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26247Post alaskastreamin »

Thanks to you Glenn for chatting on messenger and sharing pictures of your HST build.
One thing we were discussing that I rectified was that silly deck to hull overlap going across the transom.
That extra fiberglass in the overlap created a large lip for a jack plate to sit on and not against the transom.

Glenn ( Big boy) shaped some plywood to create a flat surface and Ron Flood has an aluminum plate to bring the upper transom out to the overlap level.

The lower bolt holes go thru the overlap so there’s still an issue below that area to address.

The easiest solution was to remove this strip and glass the two outer skins together.
This now allows the inside to be perfectly flush.

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Ron Pratt
Okanogan, WA
Viper/ 2.5L 200 Merc (SOLD)
1991 "the last" Virage/ 15" 280
2003 9’ Mini Virage/ 15 hp Honda 4-stroke
1989 Voyager/ 300 Promax
1989 HST / 2.5L 200 Merc
http://www.prattcustoms.com
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alaskastreamin
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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26248Post alaskastreamin »

I’m going to try to use a corrugated plastic campaign sign as a core on the wind screen.
I’ll report if it will hold up to the resin.

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Ron Pratt
Okanogan, WA
Viper/ 2.5L 200 Merc (SOLD)
1991 "the last" Virage/ 15" 280
2003 9’ Mini Virage/ 15 hp Honda 4-stroke
1989 Voyager/ 300 Promax
1989 HST / 2.5L 200 Merc
http://www.prattcustoms.com

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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26249Post dehydrated »

It’s coming along nicely hurry and get that thing done so I can drag mine over lol

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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26254Post alaskastreamin »

Little catch up after a week of being sick.

Transom and knee braces installed , transom seam V’d out and glassed back ( now it’s straight top to bottom!!!!!) boat flipped , molds pulled, deck to hull overlap filled with 3M-5200.put a light in my caulking gun to see in the gap. (Both surfaces were roughed up before the deck went back on.)

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Last edited by alaskastreamin on Feb 07, 2023 9:52 pm, edited 1 time in total.
Ron Pratt
Okanogan, WA
Viper/ 2.5L 200 Merc (SOLD)
1991 "the last" Virage/ 15" 280
2003 9’ Mini Virage/ 15 hp Honda 4-stroke
1989 Voyager/ 300 Promax
1989 HST / 2.5L 200 Merc
http://www.prattcustoms.com
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alaskastreamin
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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26256Post alaskastreamin »

Spent 4 hours grinding the bottom. Mainly removing gelcoat. There was some delaminating in the corners where the center sponson meets the tunnel top. Both sides.
About 10’ each side in the 1/2” radius. Great fun carefully sweeping 24 grit to remove the bad.
Laid in chop glass strips.
It appears the boat was removed from the embankment with a boom truck!!
The area around the bow eye was fractured pretty good . Inside the hull all looked good. Had to remove quite a bit of material before repairing.

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Ron Pratt
Okanogan, WA
Viper/ 2.5L 200 Merc (SOLD)
1991 "the last" Virage/ 15" 280
2003 9’ Mini Virage/ 15 hp Honda 4-stroke
1989 Voyager/ 300 Promax
1989 HST / 2.5L 200 Merc
http://www.prattcustoms.com
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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26258Post Hippie459MN »

The things we do for fun. Looking awesome!

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-Kevin
Project Vulture | Project Vector | Project Vamp | Project Vixen
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1977 HydroStream Vulture - Worlds longest ongoing project. :eek:
1982 Hydrostream Vector
1982 Hydrostream Vamp
1973 Hydrostream Vixen
1976 CobraJet Jet Boat - Outboard conversion project
1976 Pontoon - aka The Family Truckster

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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26259Post dehydrated »

Can’t wait to see it this weekend ! Please stock your fridge before I get there lol

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alaskastreamin
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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26260Post alaskastreamin »

Ohhh the fun!!
Thickened gelcoat as fairing putty.

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Ron Pratt
Okanogan, WA
Viper/ 2.5L 200 Merc (SOLD)
1991 "the last" Virage/ 15" 280
2003 9’ Mini Virage/ 15 hp Honda 4-stroke
1989 Voyager/ 300 Promax
1989 HST / 2.5L 200 Merc
http://www.prattcustoms.com

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Re: ‘89 HST rebuild ( Blown out bottom)

Post: # 26261Post dehydrated »

Nice it works great sands nicely

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