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Author Topic: floating crane "Greif"  (Read 10862 times)

taucher

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Re: floating crane "Greif"
« Reply #50 on: January 21, 2024, 08:57:41 pm »

I still have to modify the winch to ensure it works reliably. However, I won't be able to prevent the bucket from twisting.

Ralph

taucher

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Re: floating crane "Greif"
« Reply #51 on: May 01, 2024, 05:34:59 pm »

The hull is buoyant. It is a box made of 4mm plywood but decorated with rivets. And for the first time in his element.









https://youtu.be/lmtS83Gmb6k


Ralph

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Re: floating crane "Greif"
« Reply #52 on: May 01, 2024, 06:36:18 pm »

Hi Ralph,really cool model  :-))
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Actual: Tyne class + boathouse + slipway
My models:  1:20 Motorlifeboat LÜBECK II (DGzRS), 1:20 Motorlifeboat WILMA SIKORSKI (DGzRS 9,5m), 1:10 Beachlifeboat GESINA (DGzRS 7m), 1:20 Beachlifeboat MAX CARSTENSEN (DGzRS 7m), 1:20 Lifeboat Ponton + more

mrzippy

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Re: floating crane "Greif"
« Reply #53 on: May 02, 2024, 07:40:15 am »

Hi Ralph - your rivets look amazing !  wondering how they are produced please?
Guessing blobs of PVA? dropped into what looks like a scratched/scribed? circular outline to constrain the glue??
if I'm correct what gadget creates the circles? 
Looks a great solution to a tedious problem - I have an ongoing project requiring metres of the little blighters !!
Paul.
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philk

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Re: floating crane "Greif"
« Reply #54 on: May 02, 2024, 10:38:50 am »

Pretty sure I've just seen this on one of subwaterfilm's videos. Very impressive
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tica

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Re: floating crane "Greif"
« Reply #55 on: May 02, 2024, 11:34:27 am »

It was a impressive sight to se it sail past us  at Roland's Oase, we were 10 Danes that went there this year.
A lot of very impressive models this year, and Subwaterfilm's were there as usually  :-))
Only downside were that the main pool were out of action as the groundwater had pushed up the bottom of it.
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Bunkerbarge

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Re: floating crane "Greif"
« Reply #56 on: May 02, 2024, 11:39:21 am »

Interestingly, you would tend to think that if they had kept the pool full there might not have been such a differential pressure across the floor and it might not have bowed as much.
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taucher

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Re: floating crane "Greif"
« Reply #57 on: May 02, 2024, 06:43:51 pm »

Hi Paul
is a template made of brass sheet, I used a milling bench for it. Rendered in pencil. The plate joint is scratched with a needle. And then drip on simple wood glue.

Ralph
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