We'll Call it Metisse........

[Stilldrillin]

Final assembly.....

I decided to re install the twin ball races, but with a 3mm wide spacer between.

This will give a wider bearing in each frame, and a boss, to position the outer wheels.........




Fired up. Away she went, for 30 secs. Then ground to a halt! This happened several times.......

I finally realised, the crankshaft was insisting on migrating to the left, until it was too far out of alignment! 

So, I faced a spacer to give a .01" x 5mm dia step. (Inner race diameter). So, no rubbing during contact/ crank positioning.
This worked, sort of! 

Nowt else for it. Bossed spacers, each side of the bearings!

Two, at 2mm wide, either side of the crank throws. Also the flywheel and disc spacers.

"Nil" end float now........




The now unused, Maiwald burner fitted ok, after shortening the wick tube........




The hole for the threaded crankpin is tapped at an angle. I could have drilled, plugged, and re tapped. But!

Once in position, I bent the screw. Aligning it with, "Engineer's Eye". It works well........




All done........




The video........

That's another one sorted!

Thanks for watching........

David D

[Bluechip]

Hi Dave
 
Nice little engine that one ... sweet ....
Another abandoned waif up and running       What a hero ....   
 
How many is that now ???
 
Dave BC
 
 
 
 

[Stilldrillin]

Hi Dave
 
Nice little engine that one ... sweet ....
Another abandoned waif up and running       What a hero ....   
 
How many is that now ???
 
Dave BC

Hi Dave.

Thanks for that! It's had about an hour's running now. Faster and sweeter........ 

How many? Sheesh! 

A quick run through my bookmarks gives around six, actual orphans, rehabilitated........

Also, several improvements to runners.

Just two, built from scratch. Plus two multi cylinder Mamods.

Possibly, seven inmates still waiting........

Hope I live long enough! 

David D

[tom osselton]

It's good to see it running good well done!

[sbwhart]

The job is certainly a good un 

another one sorted 

Well done Dave

Stew

[vtsteam]

Wonderful, David!        (--- Sorry I've been away for holiday for a week -- or I would have applauded earlier)   It looks and runs great!

ps. I am curious -- do you think it was the leak from the loose cylinder, or the need for a smaller power cylinder that was the main problem?

[Stilldrillin]

Tom, Stew.

Thank you! 

VT.

Thanks! (I guessed you were away, due to the unusual silence). 

There was no real leak, from the power cylinder, until I tried graphite lube. Then, there was no oil film, to seal the clearance........ 

The ratio between cylinders was the problem. Anything less than 2/1 needs a lot of heat, for very little power output. 

Regarding reconstituted orphans, I think this is my best one yet...... Three hours on the clock, and the revs have climbed to a blurr, with no mechanical noise at all.
Really satisfying...... 

Thanks, everyone, for your thoughts, and support.   

David D