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Norwich MBC Submariners joint Model Boat weekend - 27/28th July

Grantham MBC, SUN, AUG 11 AT 10 AM
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.Model Boat Convention (Exhibition), 24,25 August

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. Bournville Dive-In (2) MBC, 15th September

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Barrow in Furness MBC regatta and submarine event, Sunday 22nd Sept 2019,10am

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      Engel U177 IX D2

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      rgj
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      Engel U177 IX D2 - Page 5 Empty Second test

      Post  rgj on Tue Aug 07, 2012 10:20 pm

      Back to the pond.

      Prop shafts OK now. But WTC seal now not good. Air under pressure is takingthe easy way out.....

      I had a neoprene gasket made but it seems to be too rigid. I have invested £2-99 on ebay for some neoprene tape- hopefully it will be softer & give a better seal.

      I have also bought a couple of lead moulds from a fishing tackle shop to cast some ballast. Yet another skill that hopefully will be gained from this project.

      ATB
      Rob
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      B737
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      Engel U177 IX D2 - Page 5 Empty Re: Engel U177 IX D2

      Post  B737 on Tue Aug 07, 2012 11:16 pm

      Ok, if the neoprene stuff you bought is not working you can try my type of seal,see my latest picture.(have to find out the english name of it)
      by the way,do i understand that the boat is now "sinking" when you fill the tanks??
      Cheers,
      Martin
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      Peter Webster
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      Engel U177 IX D2 - Page 5 Empty Re pressure switch

      Post  Peter Webster on Sat Jan 19, 2013 9:35 am

      How did you mount the pressure switch?
      I have been following your great series and have just begun in earnest with my U177 but cannot figure out how to mount the switch.
      I notice Engel have a mounting bracket as an extra which I think I will have to get or do you know of an alternative.
      Thanks and keep up the photos.
      Peter Webster
      from Oz
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      rgj
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      Engel U177 IX D2 - Page 5 Empty Re: Engel U177 IX D2

      Post  rgj on Sat Jan 19, 2013 10:20 am

      Hi

      Things have been quiet with the sub - a test dive in our pond showed her to be a bit bow heavy - foam has been added. But since then a combination of holidays , xmas & weather & football season starting has precluded another test dive. The completed model is too big to handle myself & I have 3 daughters who will not help...... hopefully I will get her out in february when Stoke are not playing at home when an interested friend will help.

      A silicone rubber spray has proved useful for sealing the WTC lid.

      As to the pressure switch I used the mount supplied & some elastic tube to hold it in place on the mount - seems solid enough.

      ATB
      ROb
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      Tom(ADMIN)
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      Engel U177 IX D2 - Page 5 Empty Re: Engel U177 IX D2

      Post  Tom(ADMIN) on Sat Jan 19, 2013 10:41 am

      You could try using a length of O ring material as a gasket to seal the lid, Ramesh uses this very successfully. Hopefully the picture will show the idea.



      Engel U177 IX D2 - Page 5 59371_10
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      B737
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      Engel U177 IX D2 - Page 5 Empty u177

      Post  B737 on Sat Jan 19, 2013 6:27 pm

      Peter: you can use the device Engel is selling for securing the pressure switch. I made a thin metal strap around the switch and fastened that on the bracket which holds the piston tank.
      Rob: I take it that your boat is finished;can we expect some pictures you promised earlier?
      Kind regards,
      Martin
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      rgj
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      Engel U177 IX D2 - Page 5 Empty Re: Engel U177 IX D2

      Post  rgj on Sat Jan 19, 2013 7:33 pm

      Hi Martin

      You are right it is finished. I will do my best with some photos when I take it for an outing.

      Life has been hectic so everything bar work & family has had to take a back seat

      ATB
      ROb
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      B737
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      Engel U177 IX D2 - Page 5 Empty u177

      Post  B737 on Sat Jan 19, 2013 7:40 pm

      Peter, here is a picture that might help.
      Its vieuwing inside to the rear
      MartinEngel U177 IX D2 - Page 5 Img_1311

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