Harold,
Your one of a kind build is really coming along. So much thought and careful work is really paying off. If I wore one my hat would be off to you! I had never heard of a Dana transmission before your thread and find it interesting. They must not have been at all common. I see that the two speed version is $299.00 which puts it out of my reach. Having two speeds is enough on a bicycle to make a real difference and three is better yet.
As I think about it this setup does not require having an SPB shift kit which is not inexpensive either. I've gone that route on a 1934 Elgin build using a vintage British 98cc Villiars midget cast iron 2 stoke in conjunction with a 3 speed Sturmey Archer rear hub. I have yet to run it and with other things on the front burner it has been delegated to a back burner as I attempt to find a carb rebuild kit. That's neither here nor there other than pointing out that getting multiple speeds is neither super easy nor inexpensive. I wish it were as it would mean a smaller engine could do more with less wear and tear on running an engine at high rpms.
I've often thought about the possibility of making a transmission external to the crank or rear end by utilizing an old sturmey archer 3 speed rear hub from the sixties. They were pretty light duty as I understand it, unlike the new 3 speed rear axle I bought for the SBP kit. As I recall Camlifter was experimenting with one of the old kind and had it set up as part of a jack shaft. Apparently it worked. Might one day do a search to find his old threads. He is no longer with the forum, unfortunately.
Forgive my digression. Your Dana has no doubt made others think about how nice it would be to have multiple speeds on their bikes. I was hoping to find that it was inexpensive. It would be cool if there was a nice do it ourselves way to have multiple speeds using old bike junk.
That's what a build like yours does... gets us staring and thinking out of the box. I'm glad to see the different engine you're using, glad about the experimentation in lighting and of course the transmission you are using. This won't be the fastest or most expensive bike on the forum, but in a quiet and understated way it is one of most unique which helps to expand our biking horizons. Well done. sir!
SB