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Re: re-gelcoating something entirely [Re: Karl_Brogger] #240780
12/03/11 12:54 AM
12/03/11 12:54 AM
Joined: Sep 2007
Posts: 757
japan
erice Offline
old hand
erice  Offline
old hand

Joined: Sep 2007
Posts: 757
japan
thanks for sharing surf city

what size spray gun tip have YOU found best for gelcoat

it seems people use pretty much everything from 1.4mm up to 2.3mm

as in this google find

* Gelcoat is quite viscous and almost impossible to spray without thinning it. The less you can thin it the better the gelcoat will be, so the use of a larger spray tip is required. I use both 2mm & 2.2 mm HVLP gravity feed cup guns for most of my heavy shoots. At this size the thinning is kept to a minimum.


Last edited by erice; 12/03/11 02:08 AM.

eric e
1982 nacra 5.2 - 2158
2009 weta tri - 294
-- Have You Seen This? --
Re: re-gelcoating something entirely [Re: Karl_Brogger] #240785
12/03/11 08:37 AM
12/03/11 08:37 AM
Joined: Aug 2005
Posts: 2,921
Michigan
PTP Offline
Carpal Tunnel
PTP  Offline
Carpal Tunnel

Joined: Aug 2005
Posts: 2,921
Michigan
Here's how I would do it on a jet ski:
Get the biggest drill you can find. Get the biggest drill bit you can find. Drill as many holes as possible in bottom of said Jet ski to get rid of gelcoat an fiberglass together. Place in water. Watch it sink.
You could alternately use some C4 or other explosive, but that might get a little messy.

Last edited by PTP; 12/03/11 08:38 AM.
Re: re-gelcoating something entirely [Re: PTP] #240788
12/03/11 10:03 AM
12/03/11 10:03 AM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline OP
Carpal Tunnel
Karl_Brogger  Offline OP
Carpal Tunnel

Joined: Feb 2005
Posts: 4,118
Northfield Mn
:eyeroll:
It's a standup ski, its fun, it fits in the back of my pickup.

I'll be shitcanning my sailboat long before I ditch my ski.


I'm boatless.
Re: re-gelcoating something entirely [Re: PTP] #240790
12/03/11 10:17 AM
12/03/11 10:17 AM
Joined: Nov 2003
Posts: 749
Santa Cruz, CA
SurfCityRacing Offline
old hand
SurfCityRacing  Offline
old hand

Joined: Nov 2003
Posts: 749
Santa Cruz, CA
Originally Posted by PTP
Here's how I would do it on a jet ski:
Get the biggest drill you can find. Get the biggest drill bit you can find. Drill as many holes as possible in bottom of said Jet ski to get rid of gelcoat an fiberglass together. Place in water. Watch it sink.
You could alternately use some C4 or other explosive, but that might get a little messy.


Best advice yet! Or leave it purple...kind of fits Karl's motif. Better yet, he should sell that purple thing back to the woman he bought it from.

E,
Anything from about 1.5 to 3 will work. Depends how thick you want it, and how much patience you have to get it that thick.

1.8 is good for small repairs.

Re: re-gelcoating something entirely [Re: Karl_Brogger] #240838
12/05/11 04:06 PM
12/05/11 04:06 PM
Joined: Feb 2009
Posts: 678
Palm Beach County
TheManShed Offline
addict
TheManShed  Offline
addict

Joined: Feb 2009
Posts: 678
Palm Beach County
Surf City good advice.
I usually use Gel Coat, acetone, hardener and throw a little wax in and thin the last shoot to help with the cure and sanding of course that is when a pine needle or bug lands in the gel coat!


Last edited by TheManShed; 12/05/11 04:13 PM.

Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's

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