1/72 Yamato - or a steep learning curve!

[ozpirate]

Litle work done this month, miserable weather, really miserable

I can relate to that mate, cold here also and bloody wet...

[herbieham]

slowly plgging away

The big news for me...............the rudder functions with the remote control -a big moment that to wire it up, charge the transmitter, and power the reciever.

anyway, the rudder turns very sweetly, not quite as far as I wanted-about 25degrees only, could do with 5 more, but I am happy

[herbieham]

[herbieham]

next steps, glue down bow, and begin installing rest of electrics, and ballast system

[HvyCgn9]

Herbie to get a bit more turn angle on your rudder try moving the linkage one hole in on the rudder control horn and if that isn't enuff try the next hole in. Hope that helps mate.

Hanger detail looking sweet mate

Cheers Bruce

[herbieham]

Hi Bruce!
Thanks for kind comments

I continue to learn things, develop skills.soldering is the thing at the moment!

waiting for spring Bruce for some sailing action?

herbie

[HvyCgn9]

Wait for Spring Hell No mate!! We have managed to sneak in a couple of Winter sails in just recently!!

Check out these pics at
https://picasaweb.google.com/tf72sa/Bon ... kJul102011

https://picasaweb.google.com/1051213304 ... July312011

Cheers Bruce

[herbieham]

Low point

last week, the rudder servo was working, the reciever was working.

Completed wiring up. The ESC's have power, but indicate the reciever is not working. In fact, nothing is working.
The book says I have to tune reciever to transmitter..............hmmmmmmmmm, helicopter mode........how the hell do i get it to go into helo mode................hmmmmmmmmmmm

very frustrated, and feeling very stupid

I sense I may have fried the reciever.............

very low point.

be back when its sorted.

[herbieham]

SUCCESS!!!!!!!!!!!!!!!!!!!!!!!!!!!!........................rudder turns, motors go , and throttle, all the servos work........

it helps if you turn the bind switch to the right place! LOL

I am going to install receiver in the base of the aft 6 inch turret.
I still have to bind the reciever, and the ESC's, but it all works.

next steps, run the wiring for the turrets..long extensions!, ans install a different reciever battery pack, my friend Joseph here has a beauty I can use

man, I feel really, really satisfied.

Now, to go tidy up all the connections.........

[herbieham]

[herbieham]

Under the platform where the electrics are, is a ballast area, waiting for a great big fat lump of lead
more ballast will be slidable on a moving drawer forward from the battery area

Quiet excited about the [prospects of basin trials in the months ahead!

[Richard J OMalley]

Great job .Its always good when the motors go round and round .

[Ticonderoga]

Hi Herbie,

Glad to hear you have sorted the electrics.

Looking good

Andrew

[ozpirate]

Good to hear your good news mate. Keep plugging away.

[Guest]

thanks guys. i even did the bind bit today, and "set' the ESC's

amazing, a year ago, did not even know what ESC meant

it really is encouraging to read these forums

(so many nice people here)

[HvyCgn9]

Herb looking at the pix I can't see any fuse's between your motors 2 esc's and Batt's 2 esc's or are they out of the pic??
I use 15amp auto fuse's between motor and Esc ( 1 fuse per motor/esc) and 30amp fuses between the batt's and esc's.

Looking good mate

Bruce

[Reid]

Fuses are a great idea especially when working with large boats that use a lot of power. One of our club members had a fouled prop and didn't notice... until well... he had a temporary "smoke unit" called an ESC.

Great work herb! Been enjoying this build from the beginning!

[herbieham]

Advice taken!!!!!!!!!!!!!!!


two 30 Amp fuses now in place, photos to come

And all electrics tested, and working.

Now, how to make lead ignots...................

[Reid]

Herbie, I think lead is pretty expensive, so what I did was buy BB gun shot. Pound for pound it was cheaper and you can mix them up in a a resin or epoxy putty to make blocks of it OR you build little boxes and pour 5lbs in or something. You could also make ballast tanks, use pipe from a building supplier (Homedepot/Lowes/OSH here) that way the model doesn't way 200lbs when u have to pick it up and put it in the water Just be careful that it doesn't leak!!! Another option is to use Batteries as ballast, why not make the weight useful eh?

Reid, btw, been followin' this build for from day 1, Always something to learn!

[Ticonderoga]

Herbie

I use recycled lead shot pellets that I am able to buy in bulk at a considerable discount compared to new shot. I weigh the shot into 1.5kg lots which are contained in calico (material) bags.

The bags are a very supple and mold themselves nicely into the spaces they occupy in the hull and they do not move about.

Once I have the model nicely trimmed, I make a note of how many bags go where. Then, when I go to the lake, I can very quickly place the ballast in the right position and away we go.
I too have also catered for additional battery space so I have main propulsion power and separate auxiliary power.

The important thing is to make sure you have a sufficient number of access holes thru the deck and that you can get your hands and ballast thru the holes, but I am sure you know that already.

Andrew