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Britannia

Started by 492, Jan 08 2013 18:00

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492

Hi All.

Just noticed that the first Britannia has appeared on Ebay.

492

John Candy

My fellow Members, ask not what your Society can do for you, ask what you can do for your Society.

AshleyW

most likley sale completed through part exchange

454

http://youtu.be/0DJCwkpTvgw

The link above is my final design for servo control of the regulator on my Kingscale Britannia.
The servo is set up to do in excess of 360 degree rotation and does not require any drilling or modification of the model. 8)

On this video it is simply held using plastic spring clamps which will of course be replaced by a more substantial fixing.
It just slides in place to be flush with the cab floor rear edge.

The bracketry is aluminium angle.

The sweep on the servo horn does not foul the sliding roof which can be closed fully during operating on track.

The set up is yet to be steam tested.

Today have been making the bracket for the servo activated whistle valve. Push rod next job to do.

Still waiting for the reverser servo from Hong Kong. Bracket in position ready to fit servo.

More to follow in the next few days.

Dave


AllWight

Looks good Dave

I look forward to it appearing on Blackgang. I am extending the fiddleyard by 2' so that we can accommodate a large engine with 2 coaches.  ;)

Mark

Jan Gillett

Thanks for a great day to all of G3 Yesterday. Made to feel welcome, even though there were four other Kngscale Brits there, and thanks for consicentious testing. Great to have the first chance to run my Brit, it worked pretty much straight from the box, once I had the regulator on and then off at the right time! A wonderful feeling.

Jan G.

MikeWilliams

Boiler testing is all new to me, but I'm interested in the new regulations described in the Newsletter, especially relating to the Brits.  The way I read it, all new boilers must be tested off the engine and without cleading, so how does one test a brand new and assembled Brit for the first time?  Presumably I've misunderstood something?

Mike

454

Good to meet you Jan.
Was pleased with my Brit. It passed the test. Then it ran. However a poorly seated valve was the expert diagnosis when my Brit came to a halt on it's maiden run.  The solution was to drip steam oil onto the blast pipe & manually push the loco in the opposite direction to the gear setting with the regulator closed.

Then RC trialled ok after that.

But I had to try again light engine manually with the radio out. I must have been mad. I tried to pace the loco & reduce the regulator setting but it was too fast for me and resulted in a high speed run away. Yours truly was a bit careless with the main line point in the station. Put my Brit to the ultimate crash test. High speed dash into a point that I had switched earlier. It stopped dead & toppled over on it's side. Called it a day after that.

On inspection the damage was:-
A displaced dummy pipe.
A bent dummy cylinder drain pipe.
The front step was ripped off.
Not one scratch on paint work.Thankfully!
Tender unscathed.

This morning the displaced copper pipe was returned to the casting that it was plugged into.
The dummy cylinder drain pipe was manipulated back straight again.
The steps however, miracles will never cease, the tiny screws were still in situ so it was a simple matter to screw it back.
Screws a bit tiny though. Then a touch of black touch-up & back to service.

It has been said that these Brits are a bit delicate. I can assure everyone that they seem to be quite tough.
If anybody had witnessed the crash they would have assumed it was a disaster, but it was nothing that could not be rectified within a short session back on the bench with a bit of quiet concentration.

I am just glad it was light engine and did not have my 16 wagon freight in tow.

Thanks to Roger Marsh & Alan Marsden for their industrious endeavours getting through a vast array of different models throughout the day. Thanks to all for an enjoyable day at the track in Ampthill.

My Brit is now looking forward to it's next outing Thomas bodied Flexitrucks in tow hopefully.

Dave
454