Terry, Maybe I didn't explain the cut off very well. The cylinder is 3 1/2" bore by 5" stroke. That gives a volume of 48.1 cub.ins., but of that,the last 3/4"...
Terry<br> It's raining again, hence three messages in a row. I've had another look at your outboard, could you give some details of engine, boiler and boat ...
David<br><br>Engine is one cylinder single acting counterflow with poppet valves. Bore is 1.835", stroke 1.875" Pressure around 700 psig max, 900 degrees F (or...
David, Thanks for the clarification. I still like to list actual cutoffs, as 31% in this case and also where exhaust opens. Then with the clearance volume some...
Terry, Heating and cooling ports is one reason why small model steam engines sometimes take 60lb of steam per horsepower hour. Due to the way I piped up the...
David, One of the most prominent reasons for low efficiendy in small engines is the unfavorable surface to volume ratio for the steam flow. I see in your...
Terry, The counterbalance is as you suggest, all the rotating and 1/2 the reciprocating mass. The con. rod is made of aluminium, which helps. I had a large ...
Yes, I vaguely remember your article on balancing. I enjoy the articles in Funnel as they are generally very well written. I'll have to re-read your article...
I just put up pictures of the making of the burner tubes for the the boiler.These tubes are made of S.S. 3/4" 15" long. The holes are .046 dia. and .150...
As it takes the best part of an hour to get my boat down my steep drive and coupled up to the car, I want to make a lightweight Canadian type canoe that I can...
Jake, Selway Fisher are well known over here, I've looked at them before. I just wondered, as there are so many members over there in the land of canoes, if...
jake<br> Just saw pictures of the new boiler. Nice job!<br> What did you use for solder? I have used Easyflo15 for the baby ones I put up, and is that standard...
Pictures of the pressure vessel for my new boiler are now in my picture list. The boiler is a Bolsover Express type, originally made for steam cars and fired...
Jake, The drum is 8" diameter by 2ft long, rolled out of 1/4" plate. There is a 3" wide butt strap on the inside, held in place by 1/4" rivets every 2 1/2" ...
11. AGM The John Radcliffe Hospital,<br> Oxford, England<br> March 3 2001<br> Richard Harvard 01633 856488<br> <br>12. Harris Chain of Lakes Steamboat Meet<br>...
11. AGM The John Radcliffe Hospital,<br> Oxford, England<br> March 3 2001<br> Richard Harvard 01633 856488<br> <br>12. Harris Chain of Lakes Steamboat Meet<br>...
Jake, change this one to:<br><br>21. Northwest Steam Society Steam Meet, <br>Nanaimo, BC, Canada<br>Northwest Steam Society 2001<br>August 10- 12 2001<br>Don ...
The copper tubing is L type which is heavier wall but not the the heaviest of the copper tubing. Which you don't need for the pressure that will be used. But...
Some of the locals in NJ have been steaming on the last two weekends that pasted. They been going to lake Nox. in Pa. if you're in the area stop by.<br>There...
Membership for smokestack is USA= $18, Can.=$21,<br>UK& Europe=$25 Make check payable to Charles Roth And send to: The smokestack, PO Box 395, Dayville, CT....