Rob, unfortunately I dont have my boat with me, it is still in Calgary, so I
cannot help you there, maybe someone else has those dimensions?
Roger
Quoting "Rob DesMarais, D.C." <drrld@xxxxxxxxxxx>:
>
> Thanks Roger,
>
> Would you have the critical measurement you are referring to for the CB
> hole?
>
>
>
>
> Rob and others at this stage, I may have posted this before, if so, I
> apologise, but it saved me a lot of time.
> I found a simple way of lining everything up, maybe others (Bram and anyone
> past this stage can comment)
>
> Before I installed my bulkheads and CB trunk, I cut the CB hole in the hull.
>
> Laterally, you can see where this hole should lie, i.e. you should be able
> to
> see the centre line of the hull, and then use a combination of the class
> rules
> and station 6, 8 and the CB trunk, to see where the longitudinal position of
>
> the hole should be. Once I cut the hole, I had a clear position for the
> bottom
> of the trunk. I then cut a 2" high block which fitted perfectly into the CB
> trunk and another one that fitted perfectly into the hole in the hull. By
> gluing these together, you get a top hat section. You can then place this
> assembly into the hole in the CB trunk and the other side into the hole in
> the
> hull. Voila! Your CB trunk is perfectly aligned on the bottom, now all you
> need to do is get the vertical right, and station 8 and 6 pretty well take
> care of that.
>
> Another thing..... get the CB trunk perfectly square before you install,
> DONT
> install it if it has any bow to it or the sides cannot create a PERFECT
> rectanglur hole where the CB blocks are going to fit. If these holes are not
>
> perfect, or the sides are bowed, you are in for a nightmare every time you
> try
> to fit the blocks and CB. If it is out, take your time and make another
> one!!!!!! It will be worth the effort in the long run.
> Also, make sure that your measurements on the trunk are correct before you
> install this sucker. If the CB trunk hole is too small, there is NOTHING you
>
> can do to repair it once the deck is on. PRO-SET is for good!
>
> Of all the methods that I tried for getting the fit of the hull to deck, the
>
> best was the playdough. Easy and cheap to make by the bucketload. Once made,
>
> you make little "mountains" of the stuff on as many points as you have time
> for on the bulkheads, then lower your deck. Remove the deck and see where
> the
> mountains have been compressed and remove some bulkhead, then repeat, and
> repeat and repeat. The more time you take here, the better your boat is
> going
> to perform and last.
>
> One other thing. It may be usefull to come up with a way of locating the
> centre bolt of the chainplate before you start, because every time you lift
> the deck up, you are not sure if you replace it in exactly the same place
> again when you lower it.
>
> Hope that helps.
> Roger
>
> Quoting "Rob DesMarais, D.C." <drrld@xxxxxxxxxxx>:
>
> > I have a ¼? difference with CB trunk and Bulkhead 8 lining up. The
> bulkhead
> > is higher. 6 lined up nice and flush. I don?t know whether to cut down 8
> > or raise the trunks aft end?
> >
> >
> >
> > Yes, I did cut down # 8 as Bram indicated.
> >
> >
> >
> > Rob
> >
> >
>
>
>
>
>
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>
>
>
>
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