Tunnelstuff in Norway

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I’m also close to finish the gearbox for the OS gas engine. Just waiting for some new tools to come in from UK. (They are like Italiens, take ages before anything happens 😂)
 

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Nice tunnel design 👍. It looks quite short, compared to the width and cowl size. But it could be the perspective of the image.
What do you mean by 25%? I keep an eye on this project 😎
 
Things are moving really slow at the moment due to a spine injury, but here is some stuff I managed to put together.
Should be great for the guys who have turned 50 and no longer have the needed reaction for nitro power 😅
 

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Speedy recovery Joern.

Looks great again. What ratio are the gears and what rpm do you aim for at the prop?
 
Speedy recovery Joern.

Looks great again. What ratio are the gears and what rpm do you aim for at the prop?
Thanks, Paul, I`m waiting for a surgery to take place very soon. Hopefully they will manage to get me back on my feet.

Ratio is 1:1;40
Engine should be able to do around 15K rpm, so around 21K on the propshaft. I prefer smaller props.
It is a lazy engine for sure, it was just something I did to feel relaxed :)
 
Nice work Jörn.
Does it work on the red head 45 M-Line as well?
If so, I will have one.
 
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Hey Joern,
How’d that lawless to CMB 91 conversion work out? Ever get it wrapped up?
 
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