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Improving a 1/96 Scale Shipyard Alfa

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Improving a 1/96 Scale Shipyard Alfa

Postby Rogue Sub » Sun Aug 03, 2008 6:15 pm

Well I recently got my hands on fairly old Scale Shipyard 1/96 Alfa and it needs a little work.

As it was it had a part of the hull missing from the bottom and a broken stern plane that needed to be fixed. I also noted that the dive planes and rudder were not accurate at all. Additionally I noticed that there were no bow planes , nor were there any seawater induction scoops. So, I decided to make all new ones for this model and this is a little show and tell of what I have done.

I have repaired the bottom of the hull using painters tape and evercoat. The hull damage was a hole about 2 inches in diameter on the bottom so, all i did was use the tape as a backer and then lay down coats of evercoat on the inside till I got it built up enough to sand to shape. I drew a blue line to show you just about how big a chunk was missing.


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After the bottom was repaired I set out to improve the boat. The first thing that was done was removal of the all the control surfaces by violent means. Lucky for me they had been on so long that they had started to become brittle. This is also probably the reason they were broken in the first place.

The first piece I made was the bow planes. I did this just because they would be quick and simple. Using a drawing I sized to scale, I cut out the picture of the planes and glued it to a piece of renshape. I then ground it down to shape using a table sander and files. Next I made the little hull fairing out of a piece of styrene and a quick scribe for the details and they were done. Very easy!

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Postby Rogue Sub » Sun Aug 03, 2008 6:32 pm

Next I set out to make my stern planes. this was a bit more of a task but still a good learning experience.

Using the same method as the bow planes I cut out my picture and formed my renshape to size. After I got it to the right shape I needed to cut out a section of the dive planes to allow for the insertion of the creeper motor pod, which is one big thing it was missing in the first place. After using the drawing to make my lines I cut the piece out and turned my attention to the lathe.

To make the creeper motor pods I turned a piece of alumalite spruce left over from previous molds. Using my reference drawing and a set of dial calipers I turned the piece down to the largest over all shape of the pod. I then turned the fwd and aft ends to their max diameters. Now I just used a piece of Sandpaper and a block to form it to shape. Using my calipers to check the Dia. often.

Now I Ca'd the pod in the hole of the stern plane to make it all one piece again. I then made my fillets ( like the Russians love to do) with my finger, evercoat, and sandpaper. Sharp angles are just Un Russian!
I also made my markings for the location of the planes themselves on the main piece by using my drawings over laid on my main piece.

Sorry about the lack of pictures here but I was on a roll and really didn't get the camera out until I was nearly through. My bad!

Now I made a line to indicate where the control rod would pass through the piece and I drilled a hole through the piece. After that was done I inserted a 1/16" square brass. I then laid a piece of painters tape on the hole where the plane was to go and covered it with wax. I then mixed up a bunch off evercoat and laid it on the line and then smooshed my plane onto the hull using the brass as a guide through the preexisting holes. I let that set up for a bit and the just pulled it off.

Image

I then took the sandpaper and evercoat to it to make my fillet to the hull.

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Postby Rogue Sub » Sun Aug 03, 2008 6:38 pm

After that was all done I created my Seawater induction scoops using pictures from Wayne Frey's book and drawings he provided. The induction scoops were made from alumalite spruce again and some quick work on the table sander. Very easy piece to make indeed.

Here is how they look now that they are installed. Ofcourse I only made one master and then made to sets of molds to get uniformity.

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Here is a shot of the mold making proccess. One half of the mold has already been made as you can see. You can also see the masters sitting in the clay.


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Postby Wayne Frey » Mon Aug 04, 2008 6:16 am

Nice work Kevin! Very nice.
Did you stagger the bow planes on the hull? This one will be pretty neat!
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Postby Rogue Sub » Mon Aug 04, 2008 6:41 am

yes i staggered them by about the thickness of one plane.
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Postby Pirate » Fri Aug 08, 2008 8:13 pm

Nice scoops!

Seems like you're ready to build an Ohio. :)

Pete :shock:
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Postby Rogue Sub » Fri Aug 08, 2008 8:28 pm

No not an Ohio but, I do have a sub in the works that I am not sharing till done. Its is a smaller boat that has seen and done many things. Thats all the clues you get!

I hope to make you jealous pete as you have done to me so many times. Trade you one of ine for one of yours lol. Mind youll have to wait a few months.

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Postby Pirate » Fri Aug 08, 2008 8:35 pm

Is it the Mystic?

That is about the only boat I'd be jealous over.
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Postby Rogue Sub » Fri Aug 08, 2008 8:42 pm

Darn it Pete!!



Ahh no ok well I am proud of it at least! Shouldnt you be building my boat :)

What is next for you man. I cant wait to see it. Clue us in.
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Postby Pirate » Sat Aug 09, 2008 4:57 pm

It is the DSRV Mystic?

No way.
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Postby Rogue Sub » Sat Aug 09, 2008 6:11 pm

No Pete but your making me feel bad for it not being the mystic!
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Postby Rogue Sub » Sun Aug 10, 2008 11:53 am

Well here is a look at the planes installed and then filleted in. Look pretty good I think. Now I am thinking of doing the rudder aswell. Havent decided yet but I am going to lean twords yes.

I am going to offer this as an upgrade kit when done. If anyone is intrested just chime in.


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Postby Rogue Sub » Sun Aug 10, 2008 2:49 pm

Some one sent me an PM concearning the fittings, could you re pm me please.

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Postby expfcwintergreen » Sun Aug 10, 2008 3:33 pm

Guessing either NR-1 or Dolphin. Leaning towards NR-1....
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Postby JWLaRue » Sun Aug 10, 2008 3:42 pm

...FX Models already produces a static NR-1 kit......maybe that could become an r/c kit?

A DSRV would be a *great* pool boat. FX Models has promised one for several years, but I don't think we're going to see that happen. :(

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