Author Topic: Making tomato cage  (Read 159 times)

bslamo

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Making tomato cage
« on: June 23, 2019, 12:40:15 AM »
I'm very green when it comes to tying knots,  but I am handy and made sure they were tight. I'm trying to make homemade tomato cages out of bamboo. I used a Japanese square lashing with sisal rope. It was lightly raining when I started and I noticed the  knot felt tighter with wet rope (pretty sure that was a mistake as I later researched about stretching of fiber rope). So I wet all the rope only to come back today to find all the knots loose once dried by sun.  What is the best rope to use for constant wetting from rain and irrigation and drying from sun?  I would prefer the natural look of fiber rope. My research pointed to Manila rope. Also I am slightly bending the bamboo putting a little pressure on the knots which hold fine initially. I'm trying again today without wetting the rope first then will wet after and come back tomorrow to see what happens after sun has dried it. I tried attaching a picture but a error occurred with attachment. Any feedback would be appreciated
https://drive.google.com/file/d/1-5LpPi1eiVsQXFoFXTQFx_0uMvmpPO77/view?usp=drivesdk
https://drive.google.com/file/d/1-AgZr0c-bWBO0mFOWn-52GK-97Yz7XX4/view?usp=drivesdk
« Last Edit: June 23, 2019, 01:09:29 AM by bslamo »

Dan_Lehman

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Re: Making tomato cage
« Reply #1 on: June 23, 2019, 08:01:58 PM »
I recall watching some sisal rope twist tighter when
wetted, so that's consistent with what you've seen,
and I guess it implies that one ties DRY.  (Or lubed
with some oil?!   :o   :-\  )

--dl*
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bslamo

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Re: Making tomato cage
« Reply #2 on: June 23, 2019, 10:51:57 PM »
One thing is for certain is that it contracts when wet and expands when dry.  Because on my initial attempt I used wet rope and was able to get really good leverage and cinch really tight only to come back after a sunny day to find every joint extremely loose. On my second attempt I used dry rope then it rained all night. (Keep in mind it wasn't very sunny today so the rope didn't get scorched) But when I checked in the AM the joints were insanely tight and remained that way once dry to the point where I can't even manipulate the shape even with leverage against week points.  A really good sign IMO. Only time and some really hot days will tell but I feel like i'm on the right track.  Going forward with the rest I'm going to pre cut my strands of rope and let them bake in the sun for a day to ensure they are dry as possible.
https://drive.google.com/file/d/1-Xoaqnem0IqzKBBa0yWsK2yVtXMnyfvA/view?usp=drivesdk
https://drive.google.com/file/d/1-W27JJ6YbqdMxCcde9ZNiF67S7rG7MJR/view?usp=drivesdk
https://drive.google.com/file/d/1-OrNhOu3a0MXpfl006p6ug-8tpg9DSkk/view?usp=drivesdk