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Author Topic: Prop shaft lubrication  (Read 553 times)

Martin [Admin]

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Prop shaft lubrication
« on: May 20, 2020, 04:40:46 PM »

 :-)
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Taranis

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Re: Prop shaft lubrication
« Reply #1 on: May 20, 2020, 06:10:36 PM »

I cannot vote because it varies from model to model. For example my Raboesch maintenance free uses no lubricant


My Ocean works Jet drives use Marine grease


My tug uses thick Oil


etc etc



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derekwarner

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Re: Prop shaft lubrication
« Reply #2 on: May 21, 2020, 01:08:13 AM »

Agreed, the model range is too great to suggest one particular lubricant is 'best of the best'  %)


Quite a few Continental modelers suggest Olive Oil [with or without the Garlic?.......not sure?  {-)  ]


Derek
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Derek Warner

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Martin [Admin]

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Re: Prop shaft lubrication
« Reply #3 on: May 21, 2020, 02:45:17 AM »


OK, Scale Electric... not fast electrics.

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Moller62

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Re: Prop shaft lubrication
« Reply #4 on: May 23, 2020, 10:01:21 PM »

I use extra Virgin olive Oil.  :-))  Good for the environment
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Martin [Admin]

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Re: Prop shaft lubrication
« Reply #5 on: May 24, 2020, 12:53:28 AM »


Smart!   :-))
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roycv

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Re: Prop shaft lubrication
« Reply #6 on: May 24, 2020, 06:41:31 AM »

I use the Ron Dean mix, which is equal parts WD40 + vaseline + 3 in 1 oil.  Mix up and it is like very thin vaseline with virtually no drag.

 I either suck it up or inject it into the tube.  Then insert the shaft with a firm finger over the end of the tube and the lubricant gets displaced and dispersed inside the tube.
This is where my vote goes been using it for 30 odd years if not longer.
Roy
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DBS88

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Re: Prop shaft lubrication
« Reply #7 on: May 24, 2020, 09:29:04 AM »

Great topic looking forward to the results, for my twin prop tug I used synthetic engine oil, no ingress of water, but there is minor seepage of oil so if there’s a better way I am up for learning
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derekwarner

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Re: Prop shaft lubrication
« Reply #8 on: May 24, 2020, 10:07:05 AM »

Synthetic engine oil [especially viscosity grades 5-W50] will provide adequate lubricity, however after a relatively short period of running could produce a droplet of oil back to your running water.....if it is still, the tell-tale rainbow plume on the surface will give you away


If running in a Club environment, the Director  :police:  could give you a.....BLACK+RED flag

Not quite the Amoco Cadiz oil spill, but intentional oil pollution of our waterways is not really acceptable

Derek

https://en.wikipedia.org/wiki/Amoco_Cadiz
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Tug Fanatic

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Re: Prop shaft lubrication
« Reply #9 on: May 24, 2020, 10:11:04 AM »

Great topic looking forward to the results, for my twin prop tug I used synthetic engine oil, no ingress of water, but there is minor seepage of oil so if there’s a better way I am up for learning

Synthetic car engine oil is normally very thin when cold - which is how you are using it in propshafts. It is designed to be easy for your car engine to force around the system when it has a cold start & hence protect the engine more quickly as well as cause less drag & use less fuel. It then doesn't get much thinner as it warms up unlike older types of engine oils.

I use traditional engine oil (not synthetic) which tends to be thicker when cold. Think custard rather than water. I don't leave any visible oil on the water even if the model has been stationery for some time.
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david48

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Re: Prop shaft lubrication
« Reply #10 on: May 24, 2020, 10:36:16 AM »


I use the same grease as used in the feathering prop made by MAXPROP it has the consistence of toothpaste, stops where it is put ,works for me and a grease cartridge will last me out.
David

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Dave_S.

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Re: Prop shaft lubrication
« Reply #11 on: May 24, 2020, 11:02:32 AM »

Is the olive oil suggestion serious or a joke? Like most of us, the place where I sail my boats is shared with ducks and geese, and I wouldn't want to be responsible for causing them any harm. Are there any other natural oils that work as a prop shaft lubricant that won't harm any wildlife if traces of it are left in/on the water?
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Moller62

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Re: Prop shaft lubrication
« Reply #12 on: May 24, 2020, 11:15:00 AM »

The olive oil is for real. My boats are rather small less than 50 cm with propshaft ø2 mm.
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Dave_S.

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Re: Prop shaft lubrication
« Reply #13 on: May 24, 2020, 11:19:35 AM »

Thank you, I will definitely try it. My boats are slightly larger than yours, but not very much, so I see no reason why it shouldn't work on them too. That'll give me something to do this afternoon now, remove and clean the shafts from my Billing's Samson II and replace with some olive oil.
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derekwarner

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Re: Prop shaft lubrication
« Reply #14 on: May 24, 2020, 11:26:38 AM »

No... not a joke {-) .. Dave_S ..if you go to any of the French model marine steam WEB sites, you will find references to the use of Olive Oil for prop shaft lubrication

My cooking skills are not great, but during the making of Mayonnaise  <*< ....the Olive Oil when wisked changes to accept an affinity with water or something??

So maybe it can happen with the aeration of the propeller {-) so as not to produce any ill effects to Mother Nature & her Flock

Derek
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Dave_S.

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Re: Prop shaft lubrication
« Reply #15 on: May 24, 2020, 11:35:35 AM »

Just checked the olive oil bottle in the kitchen - nearly empty, so any attempt to 'borrow' some will be noticed, but the fact that the bottle has been in use for a while and hasn't developed any dried crust around the neck is a good sign.
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RST

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Re: Prop shaft lubrication
« Reply #16 on: May 24, 2020, 12:51:50 PM »

I used olive oil back in the day. I've two seized solid shafts on my Smit Nederland now so beware! One day I'll have to take it off the shelf to sort out somehow (it has been sat for a while now). I've stuck to model propshaft grease on everything else since.
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