The dump truck #22: Cylinder

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Blog entry by Dutchy posted 03-03-2016 08:40 PM 1895 reads 0 times favorited 6 comments Add to Favorites Watch
« Part 21: Building the box together Part 22 of The dump truck series Part 23: Air vent »

Making the cylinder was one of the most challenging. He is made out of three parts. I wanted that when the cylinder is in stretched position the box would stay in position, Therefore it should be have a tight fitting. I hope you can understand how this was done.


6 comments so far

View johnstoneb's profile


3131 posts in 2773 days

#1 posted 03-03-2016 08:48 PM

Good job. I have a problem with a single stage cylinder haven’t tried a dual stage.

-- Bruce, Boise, ID

View ralbuck's profile


6304 posts in 2866 days

#2 posted 03-03-2016 09:49 PM

You are making a very realistic model!

Way past my patience and skill levels!

Should be in a glass case and displayed when you are finished!

-- Wood rescue is good for the environment and me! just rjR

View htl's profile


4870 posts in 1759 days

#3 posted 03-03-2016 10:36 PM

Out standing!!!!!!!!!!!
That really looks great.
Did you put an o ring in, I still need to try that.
I need to start playing with the SS as a lathe it’s been years since I’ve turned any thing.
These tips are on another level!

-- An Index Of My Model making Blogs

View Dutchy's profile


3506 posts in 2768 days

#4 posted 03-04-2016 07:13 AM

Thanks all,

rjR It will be indeed displayed in a case with glass doors.

Bruce I did not put a ring in this time. The ring would be to small. Besides that it is much easier to keep the box in upper position than the boom of hydraulic crane. To make it stay in position the upper cylinder has a very tied fitting at the backside. In the mid cylinder there is a nick in the backside so you can clamp it together.And there are also two bulges on it. When you put the mid cylinder in the bottom cylinder there will be pressure and sliding will go stiff. I hope this makes clear how it is done.


View htl's profile


4870 posts in 1759 days

#5 posted 03-04-2016 03:40 PM

Very interesting.
Well need to think on this and go over the pictures ten more times then it will sink in this feeble mind of mine. lol
Love the way your making the cylinders comes out much better than mine, but not having a working lathe just have to do it another way.
But the SS will be lathe functional soon.

-- An Index Of My Model making Blogs

View stefang's profile


17034 posts in 3934 days

#6 posted 03-29-2016 09:01 AM

Nice tight fit Jan. Looks great too.

-- Mike, an American living in Norway.

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