Straight 6 Cylinder Engine

[rdean]

Thanks Bruce there is still a lot left to do and then try to get it to run.

Lawn work this morning but I did get the engine mounted and 4 rubber feet mounted under the board.


Thanks for looking
Ray

 

[rdean]

Many things came together today and the cooling system is declared complete.

This is the cooling water header tank.


Installed the radiator and fan.


I hooked up the hoses and added some antifreeze.


Would you believe it there were no leaks.
The pump moves a good stream of water even at 600 rpms so we will see how it does keeping the engine cool.
The radiator fan is powered by a wall wart.

Thanks for looking
Ray

 

[rdean]

I attached a brass weight to the carb throttle arm so it would stay in the idle position. I added a brass bit to the idle adjustment screw so you could adjust it with your fingers. This is the same setup I used on the 4 cylinder model and it worked very well.


Sorry I only got a picture of the assembled gas tank. It is about twice the capacity of the tank on the 4 cylinder.


Getting very close now just the electronics left.

Thanks for looking
Ray

 

[BGHansen]

Ray, it's looking fantastic! I'm sure you'll get to it, but I'm curious. Is there another camshaft (dual overhead?) for the intake valves? It's probably something I missed reading your text.

 

[rdean]

Bruce the intake valves are operated (opened) by the piston going down and creating a vacuum to suck the fuel air mixture into the cylinder. It is not a high performance system but is a simpler design to build and I am not interested in "How fast does it run?".
I want it to be reliable and have a long life.
Ray

 

[BGHansen]

Bruce the intake valves are operated (opened) by the piston going down and creating a vacuum to suck the fuel air mixture into the cylinder. It is not a high performance system but is a simpler design to build and I am not interested in "How fast does it run?".
I want it to be reliable and have a long life.
Ray

That makes a lot of sense. Thanks for the explanation.

 

[rdean]

This is a piece of poplar that I am cutting out for the electronics box on the big router.


Sanded, stained, and finished with spray poly.


Here it is mounted to the board with an aluminum cover and a off/on switch.


Thanks for looking
Ray

 

[Chris Hamel]

Can't wait to hear it run.

 

[rdean]

Can't wait to hear it run.

Well you just did and thanks for the help.

Yes it does run but there are some issues that I want to iron out first before the video.

The cooling system is working better than I expected except for the radiator fan. It is really wimpy so I have another fan on order.

Number 5 cylinder is not contributing anything it is just along for the ride. I may have to pull the head to see whats wrong.

The distributor drive gear is slipping on the cam shaft. I thought it was a tight enough fit and didn't need a set screw. Boy was I wrong.

The hall sensor was giving me a fit. Even though it is the same that I used on both of my 4 cylinder engines it would not work on this engine. The engine would start up and run for maybe 5 seconds and then the sensor was toast. I tries several different sensors and none worked for more than a couple of minutes. My friend had purchased the same number sensor but it was a Honeywell brand. That did the trick so far as we ran three tanks of gas through it today.

It may take a few days to get it all sorted but there will be a video.

Thanks for looking
Ray

 

[Chris Hamel]

Yes I saw it run. Even on 5 cylinders it sounded awesome.