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Bruce T. Shark

Member Since 15 Jan 2004
Offline Last Active Yesterday, 01:24 PM
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Posts I've Made

In Topic: Looking for sextant info

30 November 2016 - 10:07 PM

Bob;

BJ Porter has my Friegerbergerberlaufflel (at least it got to go around the world)...I loved it as it had a stop watch in the handle at one time.  Could set it to the chronometer and then write down the diffs..

 

btw, nuclear carriers still do a days work in navigation...


In Topic: PHRF Rules Question

30 November 2016 - 10:04 PM

Actually, we do and it is a good newb question.

 

best regards,

Anymouse, VP PHRF organization


In Topic: USS Zumwalt breaks down (again), blocks Panama Canal.

27 November 2016 - 12:47 PM

I used to work for the company that made the USS Ford, my other jobs there was the trunk monkey riding the Enterprise and Stennis for 8 months after we overhauled/refueled and built them.  I also headed the design team that developed the reduction gear lube oil coolers (seawater, oil interface) - my design is good..

 

First off, a carrier takes 10 years (Nimitz Class) and the first thing the government orders is the fuel and reactor vessel.

In the case of the Stennis a couple of things

Electrical Service

Normal navy ships use 480 volts as the normal electrical service (distribution)

Nuke carriers started using 4160 volts as normal electrical service (distribution)

The Ford uses 13800 VOLTS - as the cables get bigger, you cannot bend them that well...

Electrical Generators

My destroyer (gas turbine) and lst (diesel) had 3 generators - about 700 kw (big amps)

the Nuke Carriers used 8 generators about 12 mw (that is Mega, 1000X bigger than kw)

the ford uses 4 at 25 MW EACH

 

The biggest load on reactor steam is auxiliaries like steam catapult,and steam driven pumps, well they are all electric now, the launch gear is designed by Navy Air, not NNS

that makes it tough..

 

The Ford is a new ship wrapped in an old wrapper, but she is also testing some things that will be the wave of the future...

The Zumult was supposed to be the lead ship of 20 which is why the bullets for the guns got so expensive....she is using electricity as a weapon and Capt James Kirk (yes Virginia, it is James Kirk, just not James T. Kirk) can shift power between guns radar and engines...and soon the Navy is going to get lasers...guess what they need lots of electricity...

 

During the 60s, the Russians would build a lot of specialized subs/ships with new weapons systems...we didn't..not new technology....it is time we did...and while expensive and having problems..

Our Spruance class was introduced in the 70s, and they made a lot of those, and they had gas turbines - the first real ship to have them...

The O.H. Perry class used gas turbines also - so all the learnings were captured..

The Ticonderoga class had new SPY-1 radars - which had problems, but we built the ship in the cornfield off the jersey turnpike to help with that BEFORE we built the ship..still we found out if u fully turned off the radar, you had to spend about 100K just to repair burnt out modules.  These ships also used gas turbines so the power plant was the same

The Arleigh Burke class uses gas turbines and SPY radar - so no new technology either..

 

I aint gonna talk subs, but they were close too...

 

We (as a Navy - as I am ex navy too) could have done better, but the time and money is well spent, both as a shipbuilder, navy man and taxpayer...


In Topic: Nautical Tatoos

09 November 2016 - 01:15 AM

I got propellors on my butt cheeks also, under one it says 20 kts, the other one says trace haze....

 

Diesels Rule!


In Topic: Canadian singlehander en route from Hawaii missing?

31 October 2016 - 11:26 PM

OMFG an Atomic 4, you don't need engine mounts you need a life insurance policy!!!!  You are going to blow up!!!!!! :o :o :D :D

 

that being said, I loved my atomic 4 - Raw water cooled and ran 33 years, then overhauled it, put it in the boat and the next day it ran 24 hours straight pushing us to Annapolis.

 

It now sits still working in the same hull in the same club I am in with the new boat...