Hi,
I have not towed an indoor model higher than 41 ft
so far, but for that height the embroidery thread
works great. I found the bright blue colors work best
for visibility. I make my tow hook and tow ring out
of .012" music wire. For a steamer I been using a 4"
piece of white tissue about .5" wide. I am thinking
of changing to blue or red because my timer complained
he had a hard time seeing when it released from the
model.
Kurt
--- Fred or Judy Rash <frash_at_chartertn.net> wrote:
> There were several questions raised. I don't have
> the answers but will
> comment anyway.
>
> I used 10-pound test Spiderline fishing line because
> it was on the spinning
> reel in the car that I use to balloon down planes
> and for fishing. I removed
> half of the rod. No rod can safely be used if the
> building is crowded. My
> line is too strong and not very visible. I speculate
> that Kurt's embroidery
> towline is more visible and has adequate strength,
> but more drag. I have
> old FAI Model Supply towline reels, but smaller and
> lighter would be
> preferred. Quick wind up of lines also seems to be
> necessary.
>
> I had started construction of a circle towhook of
> the Chuck Markos style
> from Kurt Krempetz' ToFu plan, but did not have it
> ready yesterday. I tried
> to make one half circle just because I was in
> trouble. I have circle towed
> outdoors, both intentionally and accidentally, but
> not for many years.
>
> For a release flag, I used a 17-in length of 3/8"
> wide FAI Model Supply
> thermal streamer. I had some problems with release,
> but partly because the
> towhook was a paper clip that I installed on site.
> What are others using as
> a release flag? I used a small plastic "knitting
> marker" as tow ring.
>
> One launch diverged far to the side and flew for
> only 1:19, but was
> recovered from Row 36 or 38 of the stands. There are
> 40 rows of stands. The
> stands extend almost exactly half way to the top. I
> expect several of you to
> exceed 3 minutes at the USIC/AMA Indoor Nats.
>
> Thanks to Hank Nystrom for taking an interest,
> launching the plane, and
> offering helpful trimming suggestions. Yesterday
> the Mini-Dome was
> remarkably free of tennis nets, cables holding vinyl
> partitions, other
> obstructions, and people that are common except when
> the dome is cleared out
> for the USIC.
>
> Fred Rash
>
>
>
>
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>
Kurt Krempetz
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Received on Tue Mar 13 2007 - 16:37:50 CET