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Author Topic: New Projects ....  (Read 4576 times)

Martin [Admin]

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Re: New Projects ....
« Reply #75 on: August 28, 2021, 12:45:27 am »

 
OK, chines have dried out quite nicely, and I even managed to separated with breaking them... again!

They are not quite the right shape, and as they are more fragile than you would think and,
as suggested below, I think I need a pin board to create the shape as per plan.

Off to Wilco, B&Q tomorrow then.....



               
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Martin [Admin]

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Re: New Projects ....
« Reply #76 on: August 28, 2021, 01:48:32 pm »


Lets see how this turns out...





              
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Martin [Admin]

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Re: New Projects ....
« Reply #77 on: August 29, 2021, 06:09:26 pm »


Seem to be the right shape now.... snapped one again.... in three places!
  >:-o



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Martin [Admin]

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Re: New Projects ....
« Reply #78 on: September 03, 2021, 03:02:56 pm »


Well, these chines are proving to be ever more hassle than before!
They retained their shape quite well after being pinned in place in wood board, over the plans,
but on the frames, they take on a different shape entirely!


          



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Martin [Admin]

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Re: New Projects ....
« Reply #79 on: September 03, 2021, 03:05:12 pm »


  Clamping the Chines in place is it's own magic trick!



           

       
« Last Edit: September 05, 2021, 01:41:12 am by Martin [Admin] »
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Martin [Admin]

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Re: New Projects ....
« Reply #80 on: September 03, 2021, 03:14:11 pm »


As you can see, in sections 2 & 3, the chines have taken on a very peculiar shape!
With no datum line, I can think of any way to hold anything straight at this point.
All the bulkheads measure exactly bother sides, from the bow point, but they still look twisted.
And on top of that, the chines keep fracturing once damped down for reshaping.
I must admit, I haven't checked the bulkheads against the plans
  {:-{ >:-o



           
« Last Edit: September 03, 2021, 03:20:27 pm by Martin [Admin] »
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Martin [Admin]

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Re: New Projects ....
« Reply #81 on: September 03, 2021, 03:19:49 pm »



I must admit, I'm 49% towards the Viking Funeral stage at this point.  >:-o


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redpmg

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Re: New Projects ....
« Reply #82 on: September 03, 2021, 03:50:45 pm »

Why is the boat in the Dustbin Martin ?????????   It's really beginning to look the part . Inspired me to finish one while watching movies in the evening - started it in 2009  - had  forgotten what a slow build they are...........
Tried the finger & thumbnail trick here - it works so have ordered a plank nipper/bender ( Artesania supply one in SA) - think they are all the same make in any event . You need to let things dry out for days before glueing unless you use a quick grab waterproof type PVA (white glue)  -  cyano , balsa cement and contact types will let go with any damp. Some glues also might not like the residue left behind from the materials you have used to assist bending.
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Martin [Admin]

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Re: New Projects ....
« Reply #83 on: September 03, 2021, 05:15:37 pm »

Quote

.... quick grab waterproof type PVA


Good idea  :-))
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Martin [Admin]

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Re: New Projects ....
« Reply #84 on: September 05, 2021, 01:17:23 am »

 
So double-checking the plans again.... they are not fully to scale!!!   >>:-(
Some bulkheads are 2mm under, some 2mm too wide!
 Great! Thanks!  >:-o

 Anyway, I decided, rather than continue to fight it, I've bonded on another row of matches, (using waterproof PVA this time)#
 and sand back to shape..... yes, I know some of you suggested similar earlier... but what do I know!  %)



                  
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Martin [Admin]

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Re: New Projects ....
« Reply #85 on: September 05, 2021, 01:19:56 am »


 All the diagonals measure true .... still looks very wobbly though....  {:-{






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Andy M

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Re: New Projects ....
« Reply #86 on: September 11, 2021, 11:17:12 pm »

Hi Martin, it is looking like a test of your perseverance but also a lot more like a boat. I watched a video you linked to about planking clamps, I have now made a bundle for my next project, my sub 11 cnc laser cut plank on frame kit. My first one ever. Cheers for the link to the clamps, well handy.
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Martin [Admin]

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Re: New Projects ....
« Reply #87 on: September 13, 2021, 08:59:35 pm »


Now where was I ....???

OK, Sanded back the new Chine doublers, the overall shape looks OK, but your eye is easily deceived by the inner shape!















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Martin [Admin]

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Re: New Projects ....
« Reply #88 on: September 13, 2021, 09:10:02 pm »


The chines amidships and towards the transom, do seem to require some further attention, especially the starboard side....

I cut the B5 bulkhead joint free, and it sprang back into shape.

I then padded out B5 to match the chine shape and affixed the Transom.










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Martin [Admin]

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Re: New Projects ....
« Reply #89 on: September 13, 2021, 09:46:11 pm »


It was then bulkhead B6 to stir up trouble!

1. It first fractured, nearly in two, only being held together by the paper template.
    ( Remember, this was the only single layer bulkhead! )

2. The chine notches were nowhere near the chines!

3. I re-glued it, but it again dried with a curve in it.
    That too had to be corrected, the sides and top padded out to correct size, braced & re-glued back in place.





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Martin [Admin]

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Re: New Projects ....
« Reply #90 on: September 13, 2021, 09:49:01 pm »


I wasn't quite sure how far out I managed  to make / cut B6, but you can see in these photos I cut to the plans ..... so!








 
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Martin [Admin]

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Re: New Projects ....
« Reply #91 on: September 13, 2021, 10:05:01 pm »


Lastly, cut the chines flush with the transom ....   getting brave now!    {-)













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Circlip

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Re: New Projects ....
« Reply #92 on: September 14, 2021, 09:26:58 am »

Given the trials and tribulations exhibited by an experienced modeller, I wonder how many of these kits succumb to the original use of the material as a Viking ritual?


  Regards  Ian
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Andy M

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Re: New Projects ....
« Reply #93 on: September 14, 2021, 02:35:15 pm »

Exactly, its easy to produce a kit like this, showing nicely curved matches, but I doubt a beginner could manage to build it.
My friend is building his first boat, a Sea Rover, at the same time as I am building one, and I think he has managed it very well, it was a plans build with lots of cutting out and sanding.
I dont see him having the patience to finish one like Martin's matchstick version.

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redpmg

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Re: New Projects ....
« Reply #94 on: September 14, 2021, 09:24:22 pm »

Having been motivated by Martins build I re-started a matchstick kit of a River Boat (Stern Wheeler) from over ten years ago -  will have to agree they are much more difficult than a novice could handle . Was going to give a Steam Launch kit on hand to my grandson but have decided not to do so as it would probably put him off for life . Way beyond a kids ability and the instructions are very skimpy to say the least . No mention anywhere as to how you can bend the matches either - ( took my own advice and bought a plank bender which works a treat on matches - would never use it on other model planking though ). Also fell into the trap of thinking a matchstick model would be easy........ and its very time consuming !
Its a pity that some of the designers don't build a model from their own plans before issuing a kit based on them - then the sort of problems Martin has faced would never occur - plus the instructions would probably be a little more detailed.

Glad to see your model progressing Martin - think it might well have been easier for you to finish off the Cactus Tug...........
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