 | | 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)
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| | 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)
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| | 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)
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| | 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)
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| | 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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| | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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(...) Thanks! Your son is an inspiration to me, so we're even and no, I don't remember being around her 17 years ago...i'd be 23 though, and my 20's were big parties and lotsa excess... Well.. maybe not :) Just watching the vid from work, I have a (...) (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains, FTX)
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| | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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(...) <snip> (...) Hey, really fun to watch. Of course, it makes my head spin with all of that there engineering stuff. But I love the sound effect! I am left with two thoughts: First, my son is going to really flip out when he sees this; and (...) (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains, FTX)
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| | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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In lugnet.org.ca.rtltoronto, David Koudys wrote: <snip> (...) <snip> Ahh, the internet--a beautiful place-- YouTube-- (URL) better for watching! :) Dave K (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains)
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| | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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(...) Thanks! I just wish it worked better ... I'll probably continue to tweak it a bit over the next few weeks--hate the look of the coal car for starters... and maybe it'll be good enough to do a loop of track at the hobby show--compete with the (...) (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains)
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| | Re: "Big Blue" Pneumatic 4-6-4 engine and tender
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David... That's... Awesome... !!!! Derek (18 years ago, 27-Oct-06, to lugnet.org.ca.rtltoronto, lugnet.trains)
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