Lab question regarding cylinders

[protossadv]

hi
im trying to do a lab on rotational inertia of a hollow cylinder
i plan to roll a hollow cylinder down an incline
and see how the inner radius, outer radius, and mass affects the final translational velocity
but i am not sure what i can use for the cylinder
to sufficiently control and alter the variables

does anyone have any ideas?
thanks in advance

 

[Mark44]

Different sizes of pipe -- iron pipe, plastic pipe, and so on.
Empty "tin" cans of various sizes with the ends cut off.
Surely you can think of more...

 

[kuruman]

Try two identical cans of mushroom soup, one at room temperature and one left in the freezer overnight.

 

[Dadface]

An easy way to control other variables such as density might be to use a cylinder in which you can drill holes of different sizes.A broomstick and a candle come to mind.You can get candles of very large radii.

 

[Dadface]

Try two identical cans of mushroom soup, one at room temperature and one left in the freezer overnight.

Only if it's Campbells mushroom soup

 

[protossadv]

Different sizes of pipe -- iron pipe, plastic pipe, and so on.
Empty "tin" cans of various sizes with the ends cut off.
Surely you can think of more...

pipes are a bad idea because i would need at least 15 data different data values and i can't really slowly increase or reduce the radius
i also need uniform density so i can't use different types of pipes

freezing a can would also just give 2 data values which would not be enough

An easy way to control other variables such as density might be to use a cylinder in which you can drill holes of different sizes.A broomstick and a candle come to mind.You can get candles of very large radii.

i think that's a great idea and its worth a try

but does anyone kno anything kind of like tissue or tape
that i can constantly wrap around to increase the radius?
it would be great if its much thicker than tissue because tissue would take forever to increase the radius

thanks in advance