Rider Ericsson Hot Air Engine

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BK:
Nice windfall Andy :jaw:. that gear will come in handy for years. :thumbup:

madjackghengis:

--- Quote from: AndyB on October 07, 2011, 04:13:34 PM ---Hi Mad Jack,

Thanks...the shed will probably be a lean-to type backed onto hers, probably no more than 6' x 12', to put the 1914 longbed B in for woodbutchering. Can't bear to part with it though I have the 1947 longbed M to go in its place :doh:

I have to ask; is your picture of a Pan or Generator Shovel? Is it a model or full-size?

Got a 1976 SuperGlide myself. Owned it for 22 years! Don't get the time to ride much now :( :( :( :( :( :( :(

Andy

--- End quote ---
Hi Andy, that is a new engine, it is 103 cu. inches, it is a pan engine, but it has an alternator case also, and I have built a centrifugal advance for a magneto, which is chain driven through the generator hole, to fire the other pair of plugs, with an electronic (Mallory unilite) ignition distributor, as the primary ignition. It was built about six years ago, but I got side tracked on the frame, and since then come across flywheels which have not been drilled reamed and tapered for a crank pin. I don't like the five in stroke I had, and since that was all I had at the time of its building, I went ahead and used them, but they make for excessive piston speed, and a short, usually explosive, engine life. With the "blank" flywheels" I now have it is my intention to tear it down and put in 4 and five eighths stroke flywheels, which would use the same pistons and cylinders, but reduce piston speed down so engine life would be close to stock, and it would have a 98 cu. in displacement. I currently have a 96 custom built bike which is a shovelhead of 90 inches, with a custom build chrome moly frame, with everything having been built and or designed by myself. I have half a dozen engines desired to be built or rebuilt before I can honestly get back to working on my own, so it sits there waiting for me. I once had a 74 Sportster, back in 76, and then a 74 police special, in 77, and then got a family and let the bikes go for a decade or two.
I now have it all, a shop fifty yards from the house, medically retired from the Marines, the two kids grown up and on their own, a wife who loves her yard, and working it her way, and no time to ride, because it takes so much time to make all these fiddly little parts. I don't think I put two hundred miles on my bike this year and I used to put 12 to 15 thousand every year, just riding to work. I'm hoping to see a trans-atlantic bridge built before I die, so I can ride over and visit some of my newfound friends from madmodder. :lol: :beer: Cheers, mad jack

AndyB:
Thanks Jack, you would be most welcome!

Several mates have built large engines. It would seem that 99 is the magic number. As you say, the faster piston speed makes for excessive wear, not to mention the problems with starting! Decompression valves are ok but tie that in with an S&S carb that needs setting up and you have a recipe for losing weight faster than any of the advertised scams when kicking it over.

The electric leg (don't believe in them...spawn of the devil!) also gets a bit temperamental (emphasis on the 'mental') at trying to turn over such a big lump.

I had an '82 Ironhead that was completely original...even to the emissions laws exhaust. No kicker...even look at the throttle and it would flood...you could wind that battery completely flat, it would not start!!! :bang: :bang: :bang:
Not good when friends wanted to sit on it...why do they always piss about with the throttle????? :wack: :wack:

Got a '42 45 motor mated to a '60 BSA A10 gearbox that needs finishing (been doing that for many many years!!!)

Oops, this thread seems to be going really :offtopic:

Better get on and do something constructive this weekend!!!

Andy

AndyB:
Hi all,

Finished rebuilding the shed and the Super 7. Like the Longbed M, it has not done much work but it had been sorely neglected. Rebushed the apron, cleaned up the bed and saddle from the rust which had not done too much damage, cleaned the grease which had been spread all over everything covered up or hidden away...and been used for lubrication :bang: (that is why I had to rebush the apron!)

So...finally finished the power piston centre...

I didn't follow the plan as it said to make two bosses and silver solder them on the sides...recipe for disaster I thought, better drill right through and slug the cross piece in one.

Levelling up for drilling;

Then went round to my mate. I have not soldered or brazed before so thought I had better get professional assistance to show me how it is done. Fairly straightforward; I can do it on my own after this...no worries :lol: :lol:

Drilled most of the way through over size to leave a short bearing at the top, then turned up a brass plug and inserted for a short bearing at the bottom:

It's funny, after all this time doing all the other stuff, I had forgotten where I had got to and had to look on this log to see :lol: :lol: :lol: :lol:

I am after a hand shaper and was reading through L C Mason's book on building the Minnie and there is an idea for using a topslide as a keyway cutter. Funnily enough, in my boxes of bits...

:proj:

Just making a T bolt to act as a hinge point. Trying to figure out how to position the slide pivot...on top like the toolpost or mounted on the back as Mason says. Think it will be like the toolpost.

Roll on next weekend

Andy

John Hill:
Great project Andy! :thumbup:

I really like how you got so much done on the Drummond which I assume is not much, if any, bigger than my 1908 flat bed.

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