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Marble track suggestions? wood/pvc

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Forum topic by chetrog posted 06-15-2014 04:10 AM 1333 views 0 times favorited 11 replies Add to Favorites Watch
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chetrog

84 posts in 924 days


06-15-2014 04:10 AM

I really want to build a marble machine. The only problem is I’m stuck on what should i use for the track. The easy thing would be to just rip PVC and then use the track using pvc. I don’t have any skills to use wood as the track. I see a lot of people using refrigerator tubing and then using wire inside it , but I don’t want to really do that this way. I really would like to use pvc, but it will limit how i can make 90’s or it would look to square. Any suggestions on what i could use for the track. Im not a very creative person, but would like to build a project.

Also would anyone know of a easy way to lift the marbles. I would like it to be electric. Thanks for your time.

-- I had a stroke a few years back, and sometimes the words dont come out as well as I would like.


11 replies so far

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jmartel

6565 posts in 1611 days


#1 posted 06-15-2014 04:22 AM

You can rip pvc elbows with a hand saw for 90’s.

-- The quality of one's woodworking is directly related to the amount of flannel worn.

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runswithscissors

2176 posts in 1486 days


#2 posted 06-15-2014 06:49 AM

PVC elbows also come in 45 deg and 22.5 deg (I think). You could combine these to get a semblance of a curve.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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MrRon

3926 posts in 2704 days


#3 posted 06-15-2014 06:19 PM

You could leave the elbows whole and cement the split PVC pipe in the elbows at any angle. The marble is smaller than the split PVC, so it will just pass through the elbow.

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jmartel

6565 posts in 1611 days


#4 posted 06-15-2014 06:27 PM

You can also get it in long and short radius elbows.

And just cut off the flange portions.

-- The quality of one's woodworking is directly related to the amount of flannel worn.

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MalcolmLaurel

269 posts in 1083 days


#5 posted 06-15-2014 11:50 PM

When I made one for my daughter years ago, I used oak corner molding set as a “v” for the marbles to roll in. No lift, just an escapement at the top to release the marbles one at a time.

-- Malcolm Laurel - http://MalcolmLaurel.com

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chetrog

84 posts in 924 days


#6 posted 06-16-2014 02:18 AM

Thanks for the suggestions guys. I found some electrical conduit that will work for the sweeps but there pretty big. I might use a few 45’s with a short piece of pipe. Still don’t know what im gonna do for a lift.. Thanks again

-- I had a stroke a few years back, and sometimes the words dont come out as well as I would like.

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MrRon

3926 posts in 2704 days


#7 posted 06-16-2014 10:35 PM

Check the toy section at Walmart or Toys-R-Us. You may be able to find a toy that has some kind of lift. One has to use some imagination to find what can work and just improvise, adapt. If you use split PVC pipe, you can use a heat gun to get gradual turns and twists.

View TopamaxSurvivor's profile

TopamaxSurvivor

17654 posts in 3136 days


#8 posted 06-16-2014 10:40 PM

There are lots of different styles of marble pumps used on marble machines. Quite a few have been posted here and on U-tube.

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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chetrog

84 posts in 924 days


#9 posted 06-17-2014 02:34 AM

”. If you use split PVC pipe, you can use a heat gun to get gradual turns and twists.”
- MrRon

Would it work if i ripped the pvc in half first? or do you think I should bend it first then cut the angles. I have never used a heat gun before, but I might have to buy one tomorrow.

Checking u-tube for pumps rite now. Thanks again everyone.

-- I had a stroke a few years back, and sometimes the words dont come out as well as I would like.

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TopamaxSurvivor

17654 posts in 3136 days


#10 posted 06-17-2014 06:55 AM

BEnding PVC can be a bit tricky. When it gets to the right temp it works pretty well. A little hotter and it crimps. I would do it in the round, then rip.

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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MrRon

3926 posts in 2704 days


#11 posted 06-17-2014 10:32 PM

Rip the PVC first then apply heat gradually. I use a HF heat gun; cost <$10.

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