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[ Active Members: 2 | Anonymous Members: 0 | Guests: 107 ]  [ Total: 109 ]  [ Newest Member: rkovvur ]
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 Ferris Wheel Restart
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Michael Hohn
Fireman



Posted - 09/04/2019 :  8:53:40 PM  Show Profile  Visit Michael Hohn's Homepage  Reply with Quote
Itís taking shape wonderfully.


Country: USA | Posts: 5191 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/04/2019 :  10:28:34 PM  Show Profile  Reply with Quote
Bob and Carl, thanks for looking in. I've been building, cutting, and fitting the chair hardware while the wheels are being reworked. You are looking at the backside. The power unit and ticket booth etc. will be on the other side.

Jim



Country: USA | Posts: 4510 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/04/2019 :  10:30:44 PM  Show Profile  Reply with Quote
Thanks Mike, it's going slower than I had hoped. Still some mechanical things to sort through.

Jim



Country: USA | Posts: 4510 Go to Top of Page

Frank Palmer
Fireman



Posted - 09/05/2019 :  10:18:18 AM  Show Profile  Visit Frank Palmer's Homepage  Reply with Quote
Jim, just in case you want to take a look.

https://www.youtube.com/watch?v=m_PeQCPq8QA



Country: USA | Posts: 5327 Go to Top of Page

Pennman
Fireman

Premium Member


Posted - 09/05/2019 :  10:22:57 AM  Show Profile  Reply with Quote
Jim,

Nice work, a true Master of all Trades...thanks for sharing above and beyond...

Rich



Country: USA | Posts: 4103 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/05/2019 :  10:41:02 AM  Show Profile  Reply with Quote
quote:
Originally posted by Frank Palmer

Jim, just in case you want to take a look.

https://www.youtube.com/watch?v=m_PeQCPq8QA




Thanks Frank!

It wasn't quite that bad, but now those lights do look intriguing. Nah, ain't gonna do lights.

Jim



Country: USA | Posts: 4510 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/05/2019 :  10:42:13 AM  Show Profile  Reply with Quote
Thanks Rich, Appreciate you checking it out.

Jim



Country: USA | Posts: 4510 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/12/2019 :  8:51:55 PM  Show Profile  Reply with Quote
A little update on the project. Here's a few shots to show a little forward progress. After the wheel rework/rebalance I started fitting the seats into the bearings. A little deviation was corrected with some .5mm nylon washers I made. That allowed the seats to go through a complete revolution and stay right side up.


Camera angle makes it look wonky, it's not.

GPL stopped by and is wondering what's going on.


After the inpection, the final 15 seats, axles, bearings, and bearing caps were put on. The wheel turns much better than I anticipated.


The microbearings work so smoothly, that the overhead ceiling fan was moving the wheel. It looked like a perpetual motion machine. So the major mechanical problems were worked out. Next came the animation power. These self-contained power units (eBay around $8.00 are what I used on the Carousel and the Tilt-a-Hurl (thanks Frank!)


This time 10 RPM would be launching the customers into low Earth orbit, so I had to slow things down. One (1) RPM looked about right. So I needed to build a 1:10 ratio reduction. Well, the wheel is 255 mm in diameter, and 25.4 mm is an inch so I needed to run a 1 inch wheel to drive that 10 Ferris Wheel. The only problem was coming up with a rubber 1" wheel that I could mount on the output shaft of that power unit. A trip to the hardware store had me looking for a piece of rubber hose that I could build some overly elaborate adapter to match up with the output shaft, and then I spotted a 1" Faucet washer. A $.35 solution! Exactly 1" with an 1/8" hole, smack dab in the middle! All I would need to do was build a 6mm I.D. adapter to about a 12 mm face. Another piece that would keep a 3mm screw centered in the 1/8" hole. About a 30 minute job.






My internet is running so slow, I'm afraid with the local rains that I'll lose this connection...more later.

Jim






Country: USA | Posts: 4510 Go to Top of Page

Orionvp17
Fireman

Premium Member

Posted - 09/12/2019 :  8:55:24 PM  Show Profile  Reply with Quote
Looking Good, Jim!

Watch out for the GPL, though, she may be an undercover zoning inspector or something!

Pete
in Michigan



Country: USA | Posts: 6648 Go to Top of Page

TRAINS1941
Engineer

Premium Member


Posted - 09/12/2019 :  10:58:44 PM  Show Profile  Reply with Quote
Great job Jim.

Jerry

"And in the end, itís not the years in your life that count. It's the life in your years." A. Lincoln

Country: USA | Posts: 11509 Go to Top of Page

Bernd
Fireman



Posted - 09/13/2019 :  08:29:32 AM  Show Profile  Visit Bernd's Homepage  Reply with Quote
Jim,

Looking good. Friction drives can give you infinite gear ratios. Good solution to your problem. Can't wait to see how you are going to use it to turn the "Big Wheel".

Bernd



Country: USA | Posts: 3145 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/13/2019 :  08:41:41 AM  Show Profile  Reply with Quote
Thanks Pete and Jerry.

Jim



Country: USA | Posts: 4510 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/13/2019 :  08:51:14 AM  Show Profile  Reply with Quote
Bernd thanks for checking in,

I'm building a motormount for the power unit. I set the unit in place to observe the speed of the big wheel, and it looks good. But the flexibility of the big wheel wants to 'walk' into the drive wheel. So, I'm working on a compensating adjustable skew plate to fine tune that out.

Jim



Country: USA | Posts: 4510 Go to Top of Page

Carl B
Fireman

Premium Member

Posted - 09/13/2019 :  09:02:07 AM  Show Profile  Reply with Quote
Fascinating stuff.


Country: USA | Posts: 3397 Go to Top of Page

sgtbob
Fireman

Premium Member


Posted - 09/13/2019 :  09:53:44 AM  Show Profile  Reply with Quote
What Carl said, fascinating !!!

Bob


http://www.railroad-line.com/forum/topic.asp?TOPIC_ID=30102
http://www.railroad-line.com/forum/topic.asp?TOPIC_ID=51837

Country: USA | Posts: 3847 Go to Top of Page
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