New sub in the works from Norbert

[Subculture]

If we're talking about the same chap, then your experience somewhat differs to my own. The model was fitted out with a scratchbuilt WTC incorporating...

[Subculture]

I’ve seen that boat as you sold it to a chap here in the UK who finished it off. There’s a video of it on YouTube at one of the pool based...

[Subculture]

They do pop up for sale from time to time, but usually as a complete model with the dive unit, so usually you will have to buy that and sell the module...

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https://water-saver.org/product/oring-grease/...

[Subculture]

Delphin-esque with a x-tail. Looks like fun!

...

[Subculture]

If you use a good quality PTFE grease, that will work with all the rubber compounds we use in model submarines.

e.g. https://www.polymax...

[Subculture]

They're silicone rubber seals. If it has bellows they will likely be nitrile, but any o-rings used will be silicone. Silicone o-rings tend to be a little...

[Subculture]

Seems to be conflicting information out there e.g.

https://www.polymax.co.uk/o-rings/si...d=AfmBOorTfx8C...

[Subculture]

Sorry autocorrect messed up my post, it should have read PTFE grease.

You can contact Permatex and ask them if your lubricant is suitable...

[Subculture]

Not generally advisable to use silicone grease or oil on silicone rubber. You should use a ptfe grease

[Subculture]

Are you running the shafts in the dry? They're designed to run solely in the wet which cools the assembly and the water lubricates the seal....

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LiFe is definitely the way to go as a 4s battery will give you 12.8volt instead of a 3s Lipo's 11.1v, so much closer to the original lead acid or NiMh...

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I have used abrasive cutting wheels for cutting pmma. Keep the speed low and a little water brushed on helps keep heat out. I tend to spin the tube up...

[Subculture]

Very unusual rudder arrangement on that boat, the upper rudder looks like it has almost twice the moveable area of the lower rudder. Wonder if that’s...