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Author Topic: Graupner RANSOW Harbour & Buoy Laying Workboat.  (Read 2295 times)

berniemanxie

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Graupner RANSOW Harbour & Buoy Laying Workboat.
« on: January 30, 2008, 09:15:04 pm »

  Hi Fellow Modellers.
     I am in the middle of building the RANSOW KIT and I am looking for any advice on
     making the crane operational, I have got the graupner's crane kit & the 3 motors
     needed for the job , but I have no diagram's as to how the motors etc all wire up
     to a radio controls, Iwould much appreciate any help that I could recieve.
                I am a member of the MANX. MODEL BOAT CLUB. Isle of Man.
                                                                      Yours Faithfully Bernie Hinds.
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Stavros

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Re: Graupner RANSOW Harbour & Buoy Laying Workboat.
« Reply #1 on: January 30, 2008, 11:34:17 pm »

Hi Bernie welcome to the madhouse so to speak.Try this link out yes I know it's a Model slipway one BUT basically the same(Jackie will kill me for that comment !!!!!!!) PM Tug Kenny he will help you


http://www.modelboatmayhem.co.uk/forum/index.php?topic=4571.0


Stavros
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Tug-Kenny RIP

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Re: Graupner RANSOW Harbour & Buoy Laying Workboat.
« Reply #2 on: January 31, 2008, 11:32:00 am »


Hi Bernie

This is my first attempt at crane motors. As you can see there are two motors and a servo. I have used one motor to drive a worm gear for the rotation system. The second motor is geared to a pulley drum to lift the hook. The servo is on a long arm to push the crane arm upwards.

I've found the forces needed are greater than plastic will withstand, so have started on a second version, using steel plate for the frame and a better gearing system.

I came unstuck when it came to lifting the arm, as it was pushing the whole crane out of the boat.  The original design was to insert the whole crane down into the drive hole, but I had not thought out out a latching system to keep it in place.

I'm afraid I've stuck at this point and left it to go on to another boat, so it's just sitting there looking pretty at the moment.

Hope this helps.

Cheers...Ken

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Tug-Kenny RIP

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Re: Graupner RANSOW Harbour & Buoy Laying Workboat.
« Reply #3 on: January 31, 2008, 11:34:30 am »


I never got around to control from R/C so am unable to advise 'how to do it' sorry.

Ken

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Stavros

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Re: Graupner RANSOW Harbour & Buoy Laying Workboat.
« Reply #4 on: January 31, 2008, 05:55:44 pm »

Aw Ken you've let me down there I was singing your praises O0


Stavros
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Tug-Kenny RIP

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Re: Graupner RANSOW Harbour & Buoy Laying Workboat.
« Reply #5 on: January 31, 2008, 08:06:56 pm »


Oh I shall get back to her one day.  I heve zee plan you see.  ;)

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