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Sep 20, 2005, 10:58 PM
SJ
SJ
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I want to make mine the 1939 version like the first picture.

It seems to have the small wave breaker (wintergarden?) on the conningtower.

The robbe tower has the full wavebreaker, which only the later models had right?


the 1938 u-47 had no wave breaker at all as picture 2.


The third picture shows the little wavebreaker on the tower, but Im not sure that this is the U-47. It seems to have too many flooding holes right under the tower section on the hull.

Its not easy


I have found pictures of a scale model, that seems to be acurate....exept the color scheme. Last 2 pictures

What do you think ?
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Nov 24, 2005, 02:46 PM
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SJ - what did you find to be the best method of cutting the plastic parts from their sheets? I've tried a fresh bladed stanley knife, but it doesn't seem particularly effective. Was thinking of using a cutting disc on a dremmel or similar but worried about melting the plastic. Any thoughts would be appreciated. regards Roddy
Nov 24, 2005, 03:16 PM
SJ
SJ
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no no no......much easier :-)

Take a piece of scrap plastic. Then just scribe a line in it. Then bend the plastic over the scribbed line, SNAP! it says it now in two parts with a very clean "cut"


Each hull piece only takes 2 minutes to remove the surounding plastic.
Last edited by SJ; Nov 24, 2005 at 03:24 PM.
Nov 24, 2005, 04:14 PM
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Ron Keller's Avatar
hello,

The easy way is not always the best way .
cutting the platic with a sharp stanley knife is better ,it takes a while.
But it is better because when you break it you displace all the molecules
in the plastic and is bad for your model.

my best regards,
Ron
Nov 24, 2005, 05:56 PM
SJ
SJ
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how is this bad for the model Ron ?
Nov 24, 2005, 06:01 PM
Registered User
I've been doing it like that for years. Merriman shows it over and over again in his instruction videos. I have never had any problem scoring and breaking. Ever.

Steve
Nov 24, 2005, 06:44 PM
jim
Try a scroll saw to cut out the parts, alot faster and very easy . I bought one the first day I got the 47 kit and bought a table top belt sander the next day. Makes this kit alot easier to build. Oh yea you will need a good shop vac. also, makes a big mess.The 200.00 to 250.00 you spend will be worth it to you in the long run.
SJ how is your sub going ?

Jim
Nov 24, 2005, 06:48 PM
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Ron Keller's Avatar
sj,
the bulkheads gives no problems but the boat it self must at all cost
cut with a stanley knife so you need not much to sand .
Your boat lookes very nice but the paint does not compare with the real
U-47,and I know I have the same problem.
How do I place a picture on this forum?????

my best regards,
Ron
Nov 24, 2005, 07:06 PM
Registered User
Ron,

Go to advanced post. Write your post. Then scroll down and you'll see manage attachments. Click on that and you'll get a new window. Link on the little boxes that say browse and select a picture from you hard drive and click ok. Then click load image. When it's done close the window and post you're reply.

Steve
Nov 24, 2005, 07:18 PM
SJ
SJ
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Jim, I have not built any more than the pictures show. Im building a jet at the moment which is taking up my time :-) Ill get back to the sub as soon as possible :-)

I have used the "snap plastic" method for 15 years now all ranging from RC to static models without any problems at all.

Anyway, the grey paint is primer.
What are the true colors of these boats anyway ?
Last edited by SJ; Nov 24, 2005 at 07:48 PM.
Nov 24, 2005, 07:33 PM
Registered User
Ron Keller's Avatar
sj,

you need a few days patient I must look for the colours and comparisons of the U-47
And THEN I must place them on this forum.

cheers,
Ron
Nov 25, 2005, 04:59 AM
Registered User
SpongJim

What type of scroll saw did u use? I have an old one here with a woodcutting blade, but it tended to melt the plastic rather than cut it!

regards Roddy
Nov 25, 2005, 07:49 AM
17b
17b
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Hi U-47 Lovers,

two little tips:
Some Guys in Germany use an additional Ballast System in the Bow and Stern to make it come out higher out of the water. They use a gearpump (hope this is the right word) to pump water in and out a tank made of plasticsheets or PCB material. The air within the tanks escapes somewhere in the top of the sail. With this they preflood the Sub and kill the leftover buoyancy with a Pistontank which can be smaller (500ml).

Most Guys over here hate the original sail and substitute it with one of those highly detailed resin sails. Unfortunately they are much heavier than the original one even when thea are dremeled out, so they blow polyurethane foam into the space between WTC and Hull and add some lead in the bottom of the hull. This works very good and makes the hull more stiffy.


Regards
Stefan
Nov 25, 2005, 08:45 AM
SJ
SJ
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Stefan you need to find pictures of this! :-)

it sounds very interesting
Nov 25, 2005, 09:50 AM
Man from Atlantis
Sub culture's Avatar
You could also utilise the saddle tanks as space for additional ballast tanks.

You must flood them completely though, to avoid sloshing.

Andy


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