Member postings for Terry Chapman

Hi David, thanks. Ive contacted four clubs and only one has responded lol (BO?)

I intend to run it on air around 10-15 PSI first, then perhaps get the boiler tested and steam it up, Ive found a miniature pulse jet on e bay that I can convert a s a blower?

Here.https://www.ebay.co.uk/itm/35mm-Ducted-Fan-EDF-6-Blade-QF1611-7000KV-14000KV-Brushless-Motor-RC-Jet-Model/152928920284?hash=item239b4622dc:m:m9KiHXUow1IjwE4KiKWIcwA

As I said you will have to make an adaptor one end to fit the thread and this is where Dave's link to a thread cutting die comes in, the other end either threaded to suite your compressor hose or with a few barbs so you can push a hose on.

Tracy Tools can be your friend here:

https://www.tracytools.com/?keyword=7%2F32%22+x+40+tpi&route=product%2Fsearch

For the princely sum of £2.00 + postage.

Dave
The Emerald Isle

7/32" x 40tpi ME thread.

7/32" x 40tpi ME thread.

You can use the filling hole or the blowdown bush which is front bottom of the throatplate, either way you will need to make a small adaptor from the particular thread to your air hose.

Hi Terry welcome to the forum. There are many members with steam engines on the forum but it may be advantageous to join a club with practicable hands on help.

David

The Filler plug is the square headed plug in the middle of the cylinder flange on the valve chest side, that can be used for initial fill when cold.

The metric plans have only been about for a couple of months so certainly none completed, I have read of a few other people thinking of starting one using the metric drawings but not seen any sign of work.

There are a couple of things that are not right on the metric drawing such as the cylinder studs protruding from the boiler, OK on full size where they could send a boy into the boiler through the manhole but in miniature you would never get the cylinder in place!!. I have e-mailed the source to make them aware of the error but have not seen a revised drawing. Its also still drawn to suit imperial DP gears not metric MOD ones.

Whichever version you decide to go for I would highly recommend you track down a copy of LC Mason's book "Scale Model Traction Engine Building - featuring Minnie" Its out of print and fetches a premium but worth every penny. There is also enough info in the book to build the imperial version so you would be saving the cost of a set of plans, thats how I built mine.

J