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[Bunkerbarge]

All the running gear was purchased from a vendor in the UK by the name of SHG models here:

http://www.shgmodels.com/acatalog/

The motors are servo motors, the shafts are 2mm threaded shafts and the tubes are 4mm tubes.  I decided to have my motors below the tower so I used 12" shafts and 10" tubes.  The couplings as supplied were of a plastic UV joint type but they tended to vibrate too much so I repleced them with the Robbe rubber tube type couplings which have worked perfectly ever since.  The brass props also came from SHG and are left and right handed, threaded 2mm

[Bunkerbarge]

Here's a few more recent shots of it out with the Corvette again and on another occassion when it was out with another example of the same model along with a very nicely done RC 1/72nd plastic S-boat.  The insides of that make the Corvette look quite big!!

[Bunkerbarge]

As with so many of these things just when you think you've finished with it you come up with another modification or improvement.  One thing that became apparent after a few hours of use was the fact that the shafts running in the "A" frames was not as good a fit as I would have preferred and were getting a bit worn, causing vibration.  A good blob of grease helped but I kicked myself for not fitting a proper brass bush in them as I had intended at one point, then decided it wasn't neccessary.

Then a member here who is making the same kit and fitted bushes to the "A" frames very kindly offered to make a couple for me and sent me two beautifully turned down brass bushes.  Unfortunately I had to dismantle the back ends to enable me to drill out the "A" frames but I was able to do it without damaging anything and all the pieces were easily glued back together afterwards.  The bushes were epoxied in place after drilling out to a nice clearance size to ensure that the shafts self centred and run smoothly in the bushes.

Anyway just a couple of shots of the process and since these the model has been run again and proved to be considerably smoother.  The model will now last a lot longer and run so much more smoothly than it ever did.

All I have to do now is apply a spot of paint and look for the next modificatin!!