new project

Discussion in 'Projects & Proposals' started by garrybull, Sep 11, 2013.

  1. SamSam
    Joined: Feb 2005
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    SamSam Senior Member

    That's a good thing, to try without PVA on a smaller part first.

    There are a lot of small radius corners/edges in your molds and I seem to remember you brush on the gelcoat, Those will be the areas where the molds might stick.

    I used one of these dump guns for a long time and it worked fine for gelcoat, very easy to clean. You can see the different nozzles for various materials. A disadvantage is it's limited pretty much to spraying level and down, not up. You can use regular spray guns too with a big enough tip, but it's trickier to clean them before the resin goes off and wrecks them.

    http://www.uscomposites.com/equipment.html

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  2. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    there are no really small radius's so all should be ok.

    i will be rollering and the gel on and then use a brush to tip the gel so its a smoothish finish.

    i will do that on 2 coats of gelcoat.

    i always used to use just a brush but have been watching a company that use's rollers so i thought i would give it a go and see how i get on.

    the wheelhouse i will do with a brush as its not too big an area.
     
  3. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    have now made the main wheelhouse.

    i didn't use any pva on the mould and it popped straight out.

    just got the roof and a dash to make and then bond them together and they can then be fitted to its new boat.

    i have put it outside for now so i can get on with the roof.

    i will trim it up in the morning.

    i have sat it on top of the gunnel mould to get a rough idea how one will look when wheelhouse and gunnels are fitted together.

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  4. jorgepease
    Joined: Feb 2012
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    Location: Florida

    jorgepease Senior Member

    Looks perfect to me!! I'd say Test Passed ))
     
  5. discovery
    Joined: Aug 2013
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    discovery Junior Member

    I had always wondered why , when most of the production boats never see speeds that make a difference aerodynamically, they always lay the front panel back (like a car) and lose so much space. Coming from a trawler/workboat background, I find the forward sloping screen more "normal" and space friendly. Most boats I work on run part of the electronics package across the front above the windscreen.
     
  6. Mr Efficiency
    Joined: Oct 2010
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    Location: Australia

    Mr Efficiency Senior Member

    The aerodynamics are probably an issue with that, it would act more like a dam and slow the boat down. How much would depend as much as anything on the wind direction vis-à-vis the direction of travel.
     
  7. garrybull
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    garrybull Senior Member

    thanks mate.

    i really like the wheelhouse.

    this one is going to a new home next week once the roof is made and bonded on.
     
  8. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    like you i prefer the more traditional style trawler windows.

    like you say you get so much more space.

    i will be making a instrument panel which will sit up above the windows for housing more toys in if needed.

    if i went for sloping back windows the wheelhouse would be really small inside and the dash would have to be quite big to fit the electronics on.
     
  9. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    i have now trimmed up the wheelhouse apart from the bottom edge which i'll do once its bonded on to the roof panel.

    with the windows trimmed up it looks a lot bigger and im really liking it.

    also made a basic dash for it which i'll trim up tomorrow and post some pics of once trimmed and sat in place.

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  10. jorgepease
    Joined: Feb 2012
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    jorgepease Senior Member

    Looking very very nice!
     
  11. SamSam
    Joined: Feb 2005
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    Location: Coastal Georgia

    SamSam Senior Member

    Glad to see it released OK from the mold.
    Sometimes with sloped back windows at night you get reflections from the instrument panel.
    Plus, birds will be hardpressed to take a dump on that window.
     
  12. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    thanks mate.
     
  13. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    yeah it came out pretty easy.

    plus i bought some proper wedges to help get it out the moulds instead of making wooden ones which don't really work.

    lol won't be having any birds poop on my windscreen :D
     
  14. JSL
    Joined: Nov 2012
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    Location: Delta BC

    JSL Senior Member

    re the reverse rake (sloped back) window - any overhead instruments (radio, etc) will have to be covered or shielded so the light does not reflect during night running.
    I assume the recess/insert at the top of the window is for a wiper? Check with your glazier that this is okay with tempered glass.
    Difficult to determine the clearance between the cabin and the gunn'l but the outboard slope (reverse tumblehome) of the sides may restrict fore/aft passage.
     

  15. garrybull
    Joined: Nov 2010
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    Location: portsmouth england

    garrybull Senior Member

    on my particular boat when built won't have an overhead instrument panel but it will be an option for people if they want one.

    yes the slight dip in the window frame is for a wiper motor and yes all been sorted were the glass is concerned.

    theres plenty of room to get down either side of the wheelhouse.

    one of the reason for making wide walk ways in the gunnels was for easy access to the foredeck area if needed.
     
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