She is back in dry dock for more fitting out by Lee who constructed and owns the model.
She is quite a beast at 1/72 scale about 6ft / 2mtr long. Fleetscale kit/parts i think ?.
Special significance for me that my son has served on HMS Iron Duke.
Hi Phil,
Wonder if your son was on board when I had a look round Iron Duke during the Exponaval in Valparaiso naval harbour many years ago?
When not at the exhibition discussing the COMMS fit for the OPVs Armada de Chile have since built I was on the other side of the dock doing some upgrades to a 1kW HF transmitter on a Leander frigate. Took longer than expected to upgrade the SW so I nearly ended up sailing with her. Might have been fun😉
Cheers, Doug 😎
Hooked it up to test exhausts and set the voltage a bit higher (2.6v) to show a bit more smoke. It can go to 3.5V but the test V reg Buck wont handle it (I've fitted a fan but still gets hot quick on 3.6V although not quite as bad.)
JB
This is the latest smoke version running on only 2,2V (4 Amps) and using a 12v water/air pump running on 8v to push the smoke. I can't run it on 3v (coil capable of 3.5v) as the regulator (5 Amp) is only rated for around 3.5A continuous (found that out cooking the last one) They say they have an over heat cutout, - but not so much☹️!
Don't need any more smoke than this for most applications I would think, but it's there if you need Mt Etna. Might see if I can get some lower wattage coils to drop the amps. I've ordered a few different 5A regulators to try, but I think fans are going to be needed to cool them. I think this is about as small as you can make these, using this method and easy to find bits and pieces, as you have to leave a reasonable air gap so as not to melt the housing, (also to pack the cotton around the coil)
There are the pre-wound coils to try next which might be able to be fitted in a smaller metal housing, but that's for later. I'm sure everyone has the idea by now and it will be interesting to see what others come up with for their particular models.
JB
Hi G6, yes, I removed the whole device. It was cooked due to a short/over voltage when the voltage buck threw a rod. Wired it up direct with another buck turned down to 2v. I'm going to try some other coils to drop the amps and have fitted a 12v fan to this buck to help cool it.
JB
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Hi Martin ,ref Juno - here is a response from our club member Dean who built "Juno"
Juno is quite a basic flat bottomed boat, mainly due to my very basic modelling skills, and is intended to be a bunkers barge. She is roughly 1.24 scale, approximately 43 inches by 8 inches and is made from recycled and up cycled materials wherever possible. She has a single rudder and propeller, powered by a single motor from a drill, and two 6v lead acid batteries.
She is a totally freelance design, but I took inspiration from Humber barges such as the Humber Princess, which I used as a rough plan for the deck layout.
"Genie" was a classic Marblehead 50" long. Designed by Vic Smeed, she had a hard chine hull construction.
This was my first "home brew" model yacht and I ended up building 4 of these in total - so pleased I took some picies.
Hi Phil, brings back a few memories. The guy who started producing glass Marbleheads in Auckland in the 70s (Fred Martin) lived just round the corner from me at Bucklands Beach. He was probably partly responsible for the large interest in the class in the early days. They weren't cheap even back then, but it's gone really stupid with the newer IOM boats being as much a $5000 these days. I know what I'd rather spend that sort of money on - a full sized yacht, Just ridiculous!!
It's become a rich couch yachties game. I see them where I run my boats, all turning up in their Land Cruisers, Mercs and BMWs, and most live in exclusive areas. Definitely not a kids hobby any more!
JB
Purchased original Rojair Mickey Finn from Ashton Models 35 years ago - hull suffered damaged so made a F/G mould before repairing and sailing. Made spare hull from mould and there she sat for 35-40 years. Original Mickey was sold many years ago but as retirement approached the burning desire to fulfill old challenges re-emerged.
So , after putting out calls for help, diagrams, photos or information on the model boat forums, thanks to "John Dowd" and a couple of other guys, I finally got round to resurrecting this fantastic little yacht.
Finally managed to get water and smoke coming out an exhaust suitable for a model. Basic test but it works. Bit hard to see in the vid, but doing it over the sink is not ideal. Needs a few mods but I know how to do it now without the smoke pump sucking the water back. Next is a fan powered forced air system to do away with the noisy and pulsing pump. Using a Heng Long smoker pump on 8v. Might cut the water down to get more smoke, as the smoker does't like back pressure of any sort.
The search continues😀
More smoke and less water and you've cracked it!
How you will manage to get the water to just spit out in bits/pulses will be the biggest challenge I think.
As you said you can blow more smoke in.
Running 2 models at once with 2 TXs for a bit of fun for a video. No one else to steer so it was just me, (not particularly coordinated though!) Sorry about the video, YT seems to stuff some of them up even though they are the correct format, (sound almost disappears as well)
Re - Well what do you expect livin' on yer 'eads
Probably something to do with the space time continuum Doug, did you know the water runs the other way down the plughole down South (or up South if you want to be contrary) Mind you, the blood running to the top of the head makes us think differently (same with the Aussies, although they think slightly more left than us😊
JB
Love to see one built and working. Design very similar to an ice yacht which I imagine would be incredibly fast on a good flat piece of ice. First time I saw an ice yacht was on a frozen lake near Les Rousses in the French Jura. Pull the sheet in and they'd be down the other end of the lake is seconds. Always fancied trying a real one, land or ice or both. Think it would be a great experience.
We watched the ice yachts for a while, then drove on down, about an hour, to Geneva, beautiful warm sunny day with real yachts sailing on the lake.
She is quite a beast at 1/72 scale about 6ft / 2mtr long. Fleetscale kit/parts i think ?.
Special significance for me that my son has served on HMS Iron Duke.
Wonder if your son was on board when I had a look round Iron Duke during the Exponaval in Valparaiso naval harbour many years ago?
When not at the exhibition discussing the COMMS fit for the OPVs Armada de Chile have since built I was on the other side of the dock doing some upgrades to a 1kW HF transmitter on a Leander frigate. Took longer than expected to upgrade the SW so I nearly ended up sailing with her. Might have been fun😉
Cheers, Doug 😎