Hi Adam. You should be able to fabricate a woodruff key from a washer of the right thickness,cut or filed down. The male and female taper must be perfectly clean. Good luck 👍👍
The Trojan mini motor was I believe designed by Vincent Piatti just after WW2 as a 75cc unit to drive lathes in the field for the military. Later it was reduced to 49cc as a cyclemotor engine driving the real wheel of a push bike via a toothed roller on the tyre. Most UK cycle motors used Miller electrics. Being a tyre grinder, and I've had two of them, they aren't brilliant in the wet as the roller slips. There would have been a lever on the left handlebar of the bike to lift the engine and roller up off the tyre when you stopped. When you went off again, pedal until your moving, then lower the engine via the handlebar lever to engage the drive. Should do 20, 25mph, but make sure your bike has brakes!
Miller used to manufacture all things bicycle. They made dynamos, dyno-hubs, and lighting sets for pushbikes. Don't quote me, but I think they also even made bicycle bells and brake parts. I didn't know that they made engines as well, but it's extremely plausible. The brand name lives on quite strongly in the USA, but over here? I couldn't say for sure. Even my little kiddie bike was kitted out with Miller dynamo lighting - I was about four years old, and that would have been around 1961/62!
Are you going to fit a new pair of crankshaft oil seals when you finally rebuild her?? Two strokes need good compression at both ends also the new gaskets you have mentioned.
I love it when you fire up that little compressor , I have one just the same and it's such a familiar sound . I have a tyre inflating adaptor on the end of my airline which I insert a football inflating needle adaptor into to concentrate the air jet if I need it to blow something down 😊.
Oh, and that's an early engine with a brass flywheel. Later engines had a Miller series 90 mag with an ally flywheel. And I think the thread for the flywheel nut is cycle 26 tpi CEI.
Measure the bore, my guess is a set of lawn mower rings. Or you can turn up some of your own. Plenty of videos on YT on heat treating. Get your cast iron from an old brake disk. Use a hole saw bigger than the bore to start cutting the material out of the disk.
You can make a key on the lathe. Turn some steel to the right diameter part a sliver off the right thickness, then cut that in half and adjust with a file.
Hi Adam would it be possible for a Man cave Arrr shout out for my son Danny boy it's his birthday on Saturday he absolutely loves the channel .and anything remotely connected to Engines we've even started to have a go at videoing our bits and pieces kind regards shaun ❤ Arrr
Crankcase tightening up when bolted together could be because you haven't got your gaskets fitted yet, maybe pinching the bearings when tight. Likewise on those long screws, probably fit through a mount or component of some sort.
Well done Adam, now to find some gaskets and rings. Cheers
Hi Adam. You should be able to fabricate a woodruff key from a washer of the right thickness,cut or filed down. The male and female taper must be perfectly clean. Good luck 👍👍
I was amazed that motor had a spark! Great video as ever Adam.
You have done a brilliant job there Adam. Well done 😀😀😀
We do indeed love the old credits 👍🏻
Very impressive bit of work.
The Trojan mini motor was I believe designed by Vincent Piatti just after WW2 as a 75cc unit to drive lathes in the field for the military. Later it was reduced to 49cc as a cyclemotor engine driving the real wheel of a push bike via a toothed roller on the tyre. Most UK cycle motors used Miller electrics. Being a tyre grinder, and I've had two of them, they aren't brilliant in the wet as the roller slips. There would have been a lever on the left handlebar of the bike to lift the engine and roller up off the tyre when you stopped. When you went off again, pedal until your moving, then lower the engine via the handlebar lever to engage the drive. Should do 20, 25mph, but make sure your bike has brakes!
That's amazing that the engine still had a spark after all these years Adam
Your little spark looked more like the Blackpool illuminations. well done.
great job adam from a box of bits to a spark
order the parts to get running
You have the midas touch, amazing spark Look forward to see it running.
Another great video Mancave 👍🤌
Can't wait to see her run..great job..
So nice little engine looks great
Miller used to manufacture all things bicycle. They made dynamos, dyno-hubs, and lighting sets for pushbikes. Don't quote me, but I think they also even made bicycle bells and brake parts. I didn't know that they made engines as well, but it's extremely plausible. The brand name lives on quite strongly in the USA, but over here? I couldn't say for sure. Even my little kiddie bike was kitted out with Miller dynamo lighting - I was about four years old, and that would have been around 1961/62!
I also saw the Miller logo on the magneto backplate after you cleaned it. !!
Are you going to fit a new pair of crankshaft oil seals when you finally rebuild her?? Two strokes need good compression at both ends also the new gaskets you have mentioned.
I love it when you fire up that little compressor , I have one just the same and it's such a familiar sound . I have a tyre inflating adaptor on the end of my airline which I insert a football inflating needle adaptor into to concentrate the air jet if I need it to blow something down 😊.
Oh, and that's an early engine with a brass flywheel. Later engines had a Miller series 90 mag with an ally flywheel. And I think the thread for the flywheel nut is cycle 26 tpi CEI.
Great vid. Find yourself a new washer make a woodruff key 😅
Measure the bore, my guess is a set of lawn mower rings.
Or you can turn up some of your own. Plenty of videos on YT on heat treating. Get your cast iron from an old brake disk. Use a hole saw bigger than the bore to start cutting the material out of the disk.
For heaven's sake.. The keyway is what the key fits into. The two are very different.
You can make a key on the lathe. Turn some steel to the right diameter part a sliver off the right thickness, then cut that in half and adjust with a file.
Looking good, a set of rings as you say and it will run .
She's differently a runner !!!
buying wd40 in a 5litre will save you a lot of money
And brake cleaner in 5litre cans.
Miller were magneto’s manufacturer
Looks like H Millers made the electrics
Hi Adam would it be possible for a Man cave Arrr shout out for my son Danny boy it's his birthday on Saturday he absolutely loves the channel .and anything remotely connected to Engines we've even started to have a go at videoing our bits and pieces kind regards shaun ❤ Arrr
Crankcase tightening up when bolted together could be because you haven't got your gaskets fitted yet, maybe pinching the bearings when tight.
Likewise on those long screws, probably fit through a mount or component of some sort.
The decompressor was introduced in 1951, so this is a '50s example.
Any Swaffham auctions coming up Adam? Also I liked your cheffins one from last year so would love you to do another one. Regards to Mrs manage.
There is a Trojan mini motor owners club! Look 'em up Mr Man cave. 🤔❤✌For spares?
Get that lathe going. A little bolt and a bit of careful parting and make a woodruff key. Come on and show us your skills!
Do you have a local Auto electrical garage that repairs alternators dynamos etc because they would have smaller Woodruff keys.
missing swaffham auction
Made in England.
Still works.
Yes it's a Trojan with miller ignition
Sure Adam. With the credit rolled let the game of video begin
I reckon that’s a Norfolk Burr
maybe where your getting the rings maybe they would have a flywheel key
❤️🙏Fishburn Co Durham, most excellent RESULT 🛠️🦾
Moonkeys?
Woodruff keys.
Miller probably just made and supplied the points?. Like they did to many other manufacturers just like the old prince of darkness lucas!