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 | | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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| (...) It isn't the strongest, bot for this application, it keeps the cylinders in direct line with the push rods, so it works. It has the added benefit of keeping the pneumatic tubes more securely fastened to the input/output ports on the cylinder (...) (18 years ago, 30-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains, FTX)
| | | | | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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| (...) Hey David, very awesome! :-) I especially like the way you've secured the cylinders, is it strong? Also, pretty neat idea to stop the air at the front using the lever stick. About the slipping, how about putting rubber bands on the driver (...) (18 years ago, 30-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains, FTX)
| | | | | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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| In lugnet.org.ca.rtltoronto, Ben Fleskes wrote: <snip> (...) A huge oversite on my part-- Ben, I know I've thanked you before, but seriously, again thanks for the wheel sets that you produce--without them, my pneumatic train wouldn't have happened, (...) (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains)
| | | | | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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| (...) Yep--did the 90 degree offset--when you watch the video, you can see the wheels pause 4 times per revolution (using compass points-- NE, SE, SW, NW)--that's when one phase is done and waiting for the next phase. 4 phases with two pistons! I (...) (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains)
| | | | | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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| <snip> (...) Very cool. I can't tell from the pictures, but are your driver wheels on either side of the engine set 90 degrees out of phase with the associated timing difference on your valve positioning? Ben In lugnet.org.ca.rtltoronto, David (...) (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains)
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