1/144 USS NICHOLAS DD-449 late war

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Expand view Topic review: 1/144 USS NICHOLAS DD-449 late war

Re: 1/144 USS NICHOLAS DD-449 late war

by les » Tue May 04, 2010 9:42 am

Get healed up soon. We've missed your posts. :wave_1:

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Sun May 02, 2010 7:53 am

George,

Well, for me it was another stay in the hospital. Had to have a repair of last May's AAA surgery, I herniated the scar. The day after this one, there was a massive blood clot, so they had to go back in to fix that. An overnight stay turned into a week. 34 metal clips later and a huge swatch of mesh, I hope to be done with all this. Still can't sit in a chair for more than 15 or 20 minutes.

BTW, I'm waiting for the WEM twin forty mounts to come out, should be soon.

Thanks for asking,

Bob W

Re: 1/144 USS NICHOLAS DD-449 late war

by George Creed » Sat May 01, 2010 12:02 am

So where you guys go to ???

No posts for a while ---hows your progress?

Thanks,
George :cool_2:

Re: 1/144 USS NICHOLAS DD-449 late war

by Rotorhead » Thu Feb 18, 2010 5:26 am

Thats the pic I've been looking for...Thank you Rick.

Regards
Steve

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Wed Feb 17, 2010 11:38 pm

Rick,

That is a great shot! The gear box and motor are shown. I was confused because the large scale drawing from FD does not have the two motors or the gear boxes for train and elevation. Once again You have the answer.

Bob W

Re: 1/144 USS NICHOLAS DD-449 late war

by Rick E Davis » Wed Feb 17, 2010 11:31 pm

Bob,

I'm a little unsure of your question. All twin 40-mm mounts were powered with a manual back-up. There are different Mods of the twin 40-mm mounts and I can't keep them straight. I don't know if they still can be operated or not, but the quad 40-mm mounts on USS NORTH CAROLINA museum could be manually trained and elevated. It was kind of cool for my sister and I (we were in High School) to operate a mount by ourselves in 1968.

Image

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Wed Feb 17, 2010 10:19 pm

Hi Rick,

I saw the announcement, I knew if I started this project someone would come out with a mount. BTW, do You have a clear shot of the Post refit mounts on Nichloas. The drawings from Floating Drydock are dated 1943, but show what looks like a manually aimed mount. The Ordnance Pamphlet#6 shows a powered mount. I can't tell from the photos as in most shots the mounts are covered with canvas. Thanks for any help You may give.


Bob W

Re: 1/144 USS NICHOLAS DD-449 late war

by Rick E Davis » Wed Feb 17, 2010 7:24 pm

Hey in case you guys didn't notice, WEM announced today that they are going to make 1/144 scale twin 40-mm mounts with PE in the near future. :smallsmile:

Re: 1/144 USS NICHOLAS DD-449 late war

by mabmanu » Wed Feb 17, 2010 7:47 am

Hello .
Very very good work .

Re: 1/144 USS NICHOLAS DD-449 late war

by les » Sun Feb 14, 2010 12:11 pm

I don't blame your wife. I'd tell you to go buy your own to play with. :big_grin:

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Sat Feb 13, 2010 12:15 pm

Sean and Les,

I asked the wife about the pressure cooker, no go, she's had it for years and doesn't want 'chemicals' in it. Don't have a powered vacuum pump, just a Harbor Freight hand brake bleeder. I can get 22in of Hg but it takes about 200 strokes and the resin only has a six min. pot life. What I'm doing now is pre-loading the mold's small areas with resin, then clamping together. Once together I use a 3cc syringe to push the resin through the mold. Seems to work very well. I'll show more photos in the coming days.

Bob W

Re: 1/144 USS NICHOLAS DD-449 late war

by les » Sat Feb 13, 2010 11:27 am

I know an outfit that does pressure casting and gets great results. It seems like a good way to go. If your parts aren't too big you can use a pressure cooker for the vessel.

Re: 1/144 USS NICHOLAS DD-449 late war

by Sean Hert » Sat Feb 13, 2010 10:43 am

I've never found that anything less thatn 25 in of Hg made any difference- for most home shops, pressure casting is a better way to go. ( I much prefer vacuum casting, don't get me wrong). It's just too hard to pull a deep enough vacuum quick enough- your normal HVAC pump just isn't powerful enough.

Re: 1/144 USS NICHOLAS DD-449 late war

by Rotorhead » Sat Feb 13, 2010 9:45 am

Bob, your brave............and you succeeded. Good job on the resin. I'm interested in that.

Regards
Steve

Re: 1/144 USS NICHOLAS DD-449 late war

by Sr. Gopher » Sat Feb 13, 2010 6:27 am

:faint: in a good way

Re: 1/144 USS NICHOLAS DD-449 late war

by Bill Livingston » Sat Feb 13, 2010 5:33 am

That was really interesting... why not post something in the Tips and Tricks section so others can find it in the future..? Good post... its nice to see something 'real' ... Thanks... :thumbs_up_1:

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Fri Feb 12, 2010 7:58 pm

Part Seven of How To.
Attachments
The parts.
The parts.
BOB_3055 (Large).JPG

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Fri Feb 12, 2010 7:56 pm

Part Six of How To.
Attachments
Open after 30 min.
Open after 30 min.
Demolded
Demolded
BOB_3053 (Large).JPG

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Fri Feb 12, 2010 7:49 pm

Part Five of How To, casting.
Attachments
Ready for casting,  the molds have been coated with mold release talc.  It's meant to de-air the casting.
Ready for casting, the molds have been coated with mold release talc. It's meant to de-air the casting.
Here are some molds on the base of my homemade vacuum chamber, ready for the pour of resin.  This was a failed attempt to pull the air from the resin.
Here are some molds on the base of my homemade vacuum chamber, ready for the pour of resin. This was a failed attempt to pull the air from the resin.
Everything sealed and vacuum pulled down. Only have 6 min. pot life to work with, not long enough, the resin started to harden by time I pulled only 10in Hg.
Everything sealed and vacuum pulled down. Only have 6 min. pot life to work with, not long enough, the resin started to harden by time I pulled only 10in Hg.

Re: 1/144 USS NICHOLAS DD-449 late war

by oneslim » Fri Feb 12, 2010 7:38 pm

Part Four of how to.
Attachments
This shows the molds ready for the second half pour.  They are coated with brush on mold release. The one on the left is a failed attempt to make a three part mold of the gun barrels.
This shows the molds ready for the second half pour. They are coated with brush on mold release. The one on the left is a failed attempt to make a three part mold of the gun barrels.

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