SS Wollongbar first build

hi all although this isnt a warship there isnt a transport build section so enjoy.
if just finished taping/marking out the windows on my hull and im a bit stuck,
but first a pic of the hull

my problem is the last rear window, heres a pic of the rear

if i continue the rear window so its 76mm in width, ill end up cutting just one big window that goes through the entire hull, so what ive done is continue the bottom of the window up on an angle and it finishes at the water line. so is this ok or do i need to make the window finish below the water line? oh and its for big gun if that helps

 

I just looked at th AusBG rules, and they do a very good job showing you what you need. However, they don't tell you what to do for the stern of the boat where you can't cut out 25mm below the waterline. Take a look at the WWCC rules for the 60 degree rule, or at the NTXBG rules for the 45 degree rule. The idea is that if 25mm isn't enough to actually make the boat, you can go to a point where the hull is angled either 60 or 45 degrees (depending on the club) from horizontal. The WWCC rules have a good diagram showing this, and it should help you.

Take a look and see if that helps. If not, just do something that does not provide an unreasonable advantage. Remember, the idea is to be able to build boats so we can have fun, not be a rules nazi (over-enforcing the rules) or a rules lawyer (exploiting loopholes in the rules for significant advantage). If it seem reasonable, it probably is.

 

thanks for the pionters Gascan, yeah i know what you mean with the ausbg rules, nice pictures of cutting windows but nothing on this type of situation, i will take look at those rules and get on with drilling the holes in the corners of the windows .

 

For your stern window, do what you did for the bow. Mark the window the same shape as the stern, with a 50mm impenetrable area.

 

ok, so i measured untill the hull is 45 degrees along the bottom of the window and then i measuered up the window untill it was 45degrees and this is what it looks like

and interestily the spot at which it is 45 degrees up the hull is directly on the water line, so now the rear window is as large as it can be without cuting the hull all the way through and with enough area around it for the balsa to be glued to.

 

ahh!:cry: i just read your post Darren, so is this ok or do i need to re tape again, just so you know the last piece of tape does measure 50mm in from the rear end of the hull, that is the side that is on the window side, wait thats not very clear, the end of the window does measure 50mm in from the rear end of the hull.

 

ok so is this what you mean by marking it the same as the front Darren?

 

ok, so out of interest i put the tape back on the hull were it was with the 45 degree hull spots and the line that ive drawn on the hull thats 50mm in from the rear is completly inside the tape line so im just going to use the tape line as the window becasue striaght lines are easyer to cut with a dremal then curved.

 

The curved line is what I would cut.

 

righto, curved it is, oh i got your message Darren, cheers for the offer, ill ring you if i run into any problems with the build, but ill put them on the forum as well just if others want to see how the build is coming along
so now, on with marking out the other side and cuting the windows, more pics after the windows are cut

 

yay all the windows have been drilled and the first was window cut today,

i also found out somthing i dindt know before, when using a dremal on fiberglass, if you spend to long cutting a window the glass lets you know by smoking:blink:.
it was funny when this happend, i saw the smoke and then tried to blow it out with a dust mask on, that....didnt quite work, but it stopped smoking pritty quick and all is well now. there wont be much progress untill after next week so more pics then

 

i forgot that monday was a holiday so i did manage to get the rest of the windows cut today and heres the result

so thats that, but last rear windows just look...well silly, from the side they look ok

but from the top they dont look 'right', this is what it looks like with the 50mm in from the end rule

im temped to just cut the cuvey bit off and have them going down on a straighter curve, however what do people think? keep them like this or cut the silly curvey bit off?

 

The silly curvy bit can help when it comes time to sheet. What does it look like from dead astern?
BTW, very nice job with the dremel!

 

thanks, but i tidied it up with a file, it didnt look all that good with just the dremel finish
yeah, i just went and tested to see how the balsa would bend around and i now think ill keep it, its got more to glue to with it there
from astern it looks... ok, but the cuvey bits also stick out a little, you can sorta see it in the pic

 

ok, so i think ill drill the hole for the stuffing tube next, any tips on how to do this?

 

For the Ausbg, the prop must be in the scale position, so be careful when you mark out. I usually drill a smaller "plot" hole first, then drill out oversize. This allows for fine adjustments to your tube before you epoxy it in.

 

hmm oversize eh.... right o ill go and mark out that prop position, cheers again Darren

 

cheers Tugboat, i recon by next week when im on holidays ill get alot done(or at least hope to get alot done) stay tuned for more pics, ill take enough so it may be used a how to for other first timers on how to build a simple ship, ill also reedit some of my posts to explane some techniques and other usefull info that others have that may help in the acutal methods involved rather then just the steps.

 

more progess today, the propshaft hole has been drilled and now im upto mounting the motor and making up the stuffing tube so more pics shortly