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    Response
    Re: Fitting shafts and motors
    More good stuff Peter, coming on very well๐Ÿ‘ Odd with the motors! What capacitors were fitted then? "I prefer solid drive connectors where possible as I believe this should reduce vibration which is often introduced through universal joints." Hmm! Whereas I agree that universals can introduce rattling and vibration, especially the 3 part kardan couplings, or the all metal UJs. This is mostly due to bad alignment of the shafts in the first place. Otherwise a UJ or a kardan would not be necessary. BUT; using a rigid solid coupling demands that your shaft alignment is absolutely perfect. Otherwise due to it's rigidity any slight misalignment will cause excessive friction and wear on the shaft bearing and motor output bearing, which will ultimately lead to vibration anyway. Not to mention wasting power to overcome the friction. I don't like universals either. Which is why I make rigid couplings as alignment tools only and then fit a semi-rigid spiral coupling (as shown in my Sea Scout postings) for operation. This absorbs any residual misalignment as well as providing some axial flexibility to absorb the thrust reaction from the prop. And they are totally silent and vibration free๐Ÿ˜Š I buy mine from Krick incidentally. Acrylate glue? Never heard of it, so I looked it up๐Ÿค“ Hadn't realised you are into
    finger nail cosmetics
    Pete ๐Ÿ˜ฎ "WHAT ARE ACRYLATES? FOUND IN: Artificial Nail Products (Acrylic Nails, Nail Enhancing Polishes). Acrylates are derived from acrylic acid and are commonly found in cosmetic nail preparations. Ethyl acrylate acts as an adhesive to apply artificial nails and eyelashes. Ethyl methacrylate and methyl methacrylate allow sculptured artificial nails to mold and adhere to the natural nail plate. " ๐Ÿ˜๐Ÿ˜‚๐Ÿคฃ Yo MUST post some pics of your 'scultured nails' Pete ๐Ÿ˜‚๐Ÿคฃ I like the ghostly translucent superstructure ๐Ÿ‘ Gives lots of scope for some interesting LED light effects. I note that you have wired both motors the same way (polarity). Your choice, but assuming that they run clockwise, (seen from the output shaft end) then the combined side-thrust from the two props on the downward / bottom stroke (๐Ÿ˜ฎ) will produce a strong torque reaction causing a list to starboard and will try to push the bow to port / stern to starboard. The latter you will have to constantly correct with the rudder. Had exactly that effect with the first runs of my destroyer, until a Retd. Cap'n RN told me to reverse the port motor! On the other hand, you can always use this effect to do some snazzy parking! Approach the 'dock' on the stbd. side at a slight bow on angle, give the throttle a quick blip and the side thrust should park the stern neatly on the dockside! ๐Ÿ˜Š Practise makes perfect! Looking forward to the next instalment, cheers, Doug ๐Ÿ˜Ž
    1 year ago by RNinMunich


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