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U-47 - Grease

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Postby lbgolon91 » Fri Aug 13, 2004 1:21 am

What type of grease do I use for pumping into the drive shafts? Brand name, can it be bought locally or is it a specialty item? Please help.....Thanks, Larry G.
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Postby Sub culture » Fri Aug 13, 2004 5:28 am

Well I use a silicone grease for lubricating my shafts. This is water proof, and doesn't attack the rubber.

I favour the Servisol brand- good quality and readily available in the UK- however I don't know if it's as easy to obtain that brand overseas.

However I use a stuffing box with my boat, so I don't actually FILL the tubes with grease- this a target modellers trick , that doesn't work at all well with submarines as you have water pressure to deal with.

Have a look here for some good modifications to your boats stern tubes-

http://www.modelbrass.com/U47Internals.htm

Andy
'Why are you staring at an empty pond?'

Want to dive your boat in crystal clear water? Then you had better Dive-in- http://www.diveintomodelsubmarines.co.uk
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Postby TMSmalley » Fri Aug 13, 2004 7:10 am

If you are US based, you can go to any scuba diver's shop and get a container of silicone regulator lubricant.

The Ace Hardware chain also carries silicone grease - part number 4095667
Tim
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Postby tsenecal » Fri Aug 13, 2004 12:51 pm

I use the same grease on my U47 for the two gaskets and the stuffing boxes. it is a brand that i bought at my local bike shop, it is a silicone grease made for mountain bike hubs. claims to be "water repellant even if submerged". If you need a specific brand name, i will post again when I get out to the club house where I keep it.

Tim
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Postby boatbuilder1 » Sun Aug 22, 2004 12:55 pm

hey guys go to your local hobby store and ask for prathers cable grease it is a silicone grease blue in color it comes in a 4 oz plastic jar and that one jar will last for several years I use a syringe to inject it in the tubes it is quite thick I have not had to grease the tubes more than once in 5 years like I said this stuff is really thick

ca
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its all relative
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Postby Mr t » Mon Aug 23, 2004 4:26 pm

i use Vaseline - petroleum jelly, try it!
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Postby boatbuilder1 » Wed Sep 22, 2004 9:28 am

cool vasilene cheap and practical
but remember don't use it on rubber parts it will eventualy decay the rubber
charlie



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Postby TMSmalley » Fri Oct 01, 2004 12:19 pm

Chuck is correct. No Vaseline on rubber parts - no oil or other petroleum products either. Rots the rubber. Stick to silicone grease. Cheap and easy to get.
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