Re: artificial trees

Keith, Wim:

A gas-fired BBQ works well.
PVC and ABS have a low thermal conductivity, so keep the heat low
and be patient, turning often or constantly. It takes time for the
heat to permeate into the interior.  Just like a woman:
keep the heat low, keep working on it, show it you care, and
soon it will be warm and flexible and you can have your way...
;^>
-BN


> From owner-ferns@hort.net Thu Jul 24 00:21:34 2003
> X-Envelope-From: kerogers@iprimus.com.au
> X-Envelope-To: <ferns@hort.net>
> From: "Keith Rogers" <kerogers@iprimus.com.au>
> To: <ferns@hort.net>
> Subject: Re: [ferns] artificial trees
> Date: Thu, 24 Jul 2003 16:42:31 +0930
> MIME-Version: 1.0
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> 
> Hi Wim
> 
> Forget Mortar, it appears not to be a concrete suggestion!!
> 
> Use 4 in or 6in PVC Sewer pipe for an erect pipe perhaps 3 or 4 ft long.
> 
> You could just do a series of cuts in the pipe 3 or 4 inches long with a
> hacksaw around the circumference in varying positions.
> 
> Warm it up bending the upper in and the lower out, this forms a say half cup
> shape.
> The problem is if you put the pipe in the oven to real hot, the lot becomes
> pliable.
> Heating with a blow torch, burns.
> Perhaps a hair drier would work.
> 
> Clean up the rough edges with a file and sandpaper.
> 
> Get a PVC cap, add a larger base for support, cut drain holes in it and glue
> onto bottom.
> 
> The contents is easy, use sphagnum moss.
> 
> Kindest regards
> 
> Keith Rogers
> Mannum  South Australia
> 
> Keith's Fern Page is at
> www.lm.net.au/~kerogers/
> Supporting the Fern Society of South Australia on
> www.chariot.net.au/~saufern/
> 
> ----- Original Message ----- 
> From: "Winter, Wim de" <Wim.dewinter@wisl.nl>
> To: <ferns@hort.net>
> Sent: Thursday, July 24, 2003 5:12 AM
> Subject: [ferns] artificial trees
> 
> 
> > A colleage of mine told me something about constructing artificial trees
> for epiphyte growth. However, he did not know any details. Maybe some of you
> do?
> >
> > It starts with a pvc drainpipe. This is enveloped with a mixture of mortar
> and peat (1:2 ?). Litthe holes in the pipe allow water from the pipe's
> interior to moisten the outside substratum. Cups could be shaped in the
> mortar to allow for easier planting.
> >
> > It's an intriguing idea, but imagining to construct it, questions arise:
> >
> > - whats the size of the holes?
> > - is the pipe topped of with water, so should it be water tight at the
> bottom end?
> > - is the pipe filled up with any kind of spongy matter?
> > - is 1:2 the correct mortar:peat rate?
> > - isn't the mortar to alkaline for epiphytic species?
> >
> > Any experiences?
> >
> > Wim de Winter
> >
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