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I had a long search till I finally found some on eBay.

@@SteamEngines I’m going to start searching ha, I’ve got some of those mini pistols here from my childhood days that take the little red caps, I’ll see if I can find some.

@@darrenfawcett9912 Good luck!

An expensive 'big boys' toy......oh well....I'm happy to not grow up Travis 😊😊

@@SteamEngines I’m not in a rush to grow up either but honestly most people wouldn’t even have a clue how to operate a basic Jensen 75. That 16051 is no toy!!! That’s a real steam engine, just small!

@@TravisSteamAddict91 Its one of my favourite engines Travis, I got it off Geoff 'Steam Demon' around 10 years ago - Cheers Jim

I am insanely Jealous you have one of these!!!!!!!! I can’t find one anywhere it is my most sought after engine I could ever find!

@@TravisSteamAddict91 Mines a Jensen #50 that you are currently enjoying playing with!......Look on German eBay 16051's come up now and again.

Thanks Nick

I've been really happy with this one I made, its ridiculous how fast it can go!

@@SteamEngines but when are you fitting a chime whistle onto that boiler

Yes just match the machine tap to the groove size that is in the pulley. It works very well. Here's the whole video - ruclips.net/video/adQg7KxkGf8/видео.html

LOL ....I don't think I'll do a Demon Core reactor!

@@SteamEngines :(

I wonder why yours is doing that? I've been filling mine with a very thick weight steam oil and don't have that problem. Is it extremely cold where you are? Maybe try thinning the oil your using with some thin sewing machine oil? - Cheers Jim

I'm really happy to be able to now duplicate Wilesco drive pulleys. Cheers Jim

Thank you very much for your comment - Cheers Jim

That's an interesting idea Stephen and something to look for in junk stores etc. Would be great to run one off a steam engine. This one needs to go through one of the transmissions that I have machined up over the years, this was just a test to see if it all held together.....plus I need more room, so that means going outside and its cold here.....Not England cold or Northern States USA cold.... but sure is Aussie cold

Thanks Paul, I'd really like to see what you come up with - Cheers Jim

G'day Daniel these are sold by Pm Research here - pmmodelengines.com/solar-engine-3/ If you join up here I'm sure one of the gents on the forum would have the information you want - www.officeofsteamforum.com/index.php

@@SteamEngines thank you for the suggestion Jim. However, I finally came up with the right google search words and located the article. It is in the Feb 1950 issue of Popular Science. I also posted a vid of my engine in RUclips.

@@danielernst9921 Fantastic!

So did I, I'm happy that I can duplicate the process - Cheers Jim

G'day Stephen I reckon it would be pretty easy to replicate the process on a bench drill if you made up a jig.

@@SteamEngines Hey Jim! Thanks for the reply! Yeah I’ll have to get a lathe just because I want to make some pulleys. Stephen

@@Bardsbrothersrailroad Stephen a lathe will be the best thing you ever purchase, you won't know how you survived without one. It doesn't have to be a big one.

@@SteamEngines I really would like to get a lathe as well!!!

@@lancekennedy3712 Best tool you will ever own - Cheers Jim

Thanks for your comment but I disagree, many toy model steam engines such as the massive line of Wilesco steam engines come from the German factory with the drive pulleys already hobbed and they supply spring belts. I've always wondered how the steam engine manufactures hobbed their flywheels and wished to be able to do it....now I know and can replicate it - Cheers Jim

@@SteamEngines Absolutely.....exactly how Wilesco does it and using a spring drive band like Wilesco sells it means that the spring coils fit each groove in the drive pulley so there will be zero slippage.....so cool seeing how this is done - Thanks Lance

Thanks Craig much appreciated - Cheers Jim

Thanks, its something I've always wondered how the toy steam manufactures did it to their commercially sold drive pulleys. I'm very happy now that I am able to duplicate it. - Cheers Jim

@@SteamEngines I've wondered for ages of this was done, I always thought it was like knurling, this is very clever.

Thank you !!!

Thanks Alan, yes I have a collet chuck and a large assorted size of chucks but its a pita to remove the chuck for such a simple operation as this. There's not much pressure at all against the tap. I made up some more different sized jigs and hobbed some more ali ad brass drive wheels yesterday afternoon. I'm really stoked to be able to now hob flywheels like Wilsesco does. Its surprisingly simple to do. Cheers Jim

Thanks Rob stoked that I finally got around to this and happy that its surprisingly a fairly simple operation. I made up some more different sized jigs and hobbed some more ali ad brass drive wheels yesterday afternoon. - Cheers Jim

Yes definitely needs to be wayyyyy slower Rob. It needs to go through one of the transmissions that I have machined up over the years, this was a test to see if it all held together. I bet you had that diesel heater going today Rob if you out were out in your shed mate!

@@SteamEngines Hi Jim. You could just use a smaller pulley on the engine shaft, rather than that big one. Yes, that heater is a god send. Way better than I thought it would be and heats up that 20 x 30 foot uninsulated workshop no problem. Had it on the last two days. Uses about a litre of fuel for 3 hours on maximum heat. Definitely worth getting. Cheers Rob

Hi Kev I'm really happy how well this method worked and how relatively simple it was using a tap in the 3 jaw chuck. I made up some more different sized jigs and hobbed some more ali ad brass drive wheels yesterday afternoon. - Cheers Jim

Thanks Nobby I was really happy how this this turned out. I will be able to use this now for all the drive pulleys I make and retro 'fit' it to older ones I've made. As always - Cheers Jim

G'day Detlef, yes I'm looking forward to finding some time to make it run slower. Thanks and all the best P.s enjoying your steam collection - cheers Jim

Thank you much appreciated

Thank you Lance much appreciated - Cheers Jim

Thanks Nobby, it will never be a musical instrument I don't think but will be interesting to see what it like when its slowed down a lot. - Cheers Jim

Yep needs to go through one of the transmissions that I have machined up over the years to slow it down Doug, this was a test to see if it all held together.....plus I need more room, so that means going outside and its cold here.....Not England cold, but sure is Aussie cold😄 I'll redo a video and see how much I can slow it down. Thanks for the comment, much appreciated - Cheers Jim

Yep needs to go through one of the transmissions that I have machined up over the years Alan, this was a test to see if it all held together.....plus I need more room, so that means going outside and its cold here.....Not England cold, but sure is Aussie cold😄

G'day Rob, someone mentioned burnishing as well so I gave it ago on aluminium and didn't like what it did. Having so many small (sometimes slivers) of offcuts I find the bearing easy to use and quick. I really want to make something like I've seen now on a few vids where guys use a cutting tap in a holder to put/cut grooves in pulleys. It would be so handy to be able to do that for small steam engine pulleys that suffer a lot from belt slip because they are smooth. Have you seen that method or better still ever done it yourself Rob?

@@SteamEngines Hi Jim. No, I've not made "V" belt pulleys that way or seen any in use like that. I usually make pulleys using a 35 degree indexable carbide tip. This is narrow enough to allow machining of any width "V" belt angle ( usually 38 - 40 degrees). I've never tried burnishing aluminium, only steel and brass, which both will work harden. Cheers Rob

@@Xynudu G'day Rob, I'm only using 2mm or 3mm O ring for belting on my small pulley wheels that I machine up for my models engines and slippage under load is always a problem. I'd like to set myself up to do this - ruclips.net/video/XIzlg_uObwQ/видео.html

@@SteamEngines OK I have seen that done before. Should be pretty easy. Not sure how it will go regarding slippage, but worth a try. "O" rings are quite slippery and stiff. You would be better off buying an assorted pack of small drive belts (for CD players, etc) as these usually include a range of sizes in flat and round, made from grippy highly flexible rubber/polyester. Very cheap and don't slip. Cheers Rob

@@Xynudu Just made the parts Rob, busy now till Monday morning till I can give it a go. Fingers crossed it works.....Need to chat with you next week about 'Best bang for buck Aussie Lathe' ....my eldest son wants to buy a hobby sized lathe around the size of yours and mine. Wondering what you recommend now. Have a great weekend Rob.

Thank you kindly for the nice comment, much appreciated - Cheers Jim

Looking forward to see what you come up with Rob, they are a really nicely built engine aren't they. One of the nicest Chinese engines that I own. You may or may not have seen this DIY trip hammer that I built some years ago, wayyyy overbuilt for this engine, but I do have a lot of fun with it - ruclips.net/video/tmpRg0C6xbo/видео.html

@@SteamEngines I just checked out the video. Good build. I will probably go with a vertical stamping head, same as used in old gold mines. Just need some time and warmer weather. Cheers Rob

@@Xynudu Its 11° here presently with a chill factor much lower Rob. A mate of mine (since past) made this one for me - ruclips.net/video/QhHvaUvXPHA/видео.html

Terry when the truck pulled up at my place with a lathe & mill on it, I had never touched either type of machine before....RUclips can be a good educational tool!

@@SteamEngines so true. I learn a lot watching youtube. I really should incest in a lathe and mill. I have had fun making machines from Lego to use with my stationary engines, but I’d probably also have fun making them from metal.

G'day Tom yes that's correct, as stated in the video description "This was an electrically heated boiler that I converted over to be fired off a gas flame". - Cheers Jim

Thanks for the heads up Donald I definitely will - Cheers Jim

Its a wood blade (I have been cutting up kindling as its winter here) cutting through aluminum....I have the engine bracket loose so that the belt can easily slip.

It did sound a bit squeaky!

Thanks Travis appreciated mate.....hope you're enjoying the Jensen #50......how nice of Charlie!!!!!!! Magnificent engine, it must be a blast to run it.

@@SteamEngines it sure is!!!! Do you have a #50?

@@TravisSteamAddict91 No.....but I do dream!!!!!!! 😛

@@SteamEngines I would never be able to afford one, not at all, unless I won the lotto, they’re very expensive - so Charlie letting me borrow it for a bit felt like Christmas morning as a little boy!!!

@@TravisSteamAddict91 Me either....with the exchange rate and delivery to Australia owning one (even ever seeing one in real life) is a pipe dream.

Its been a lot of fun mucking around with it Nobby.

Glad you enjoyed it

Thanks, appreciate the comment.

Great dog

Its REALLY handy having two sons that are plumbers 😊

Its been a lot of fun running this diminutive little engine :)

I use mine on a daily basis as I'm always using small bits and pieces (those bit and pieces we never throw away).