[SML] We need a new cyc

[Richard Niederberg]

I've had good luck with a dark blue scrim hanging in front of a sky blue
cyc with #8 Jack Chain in the lower pocket for weight so it hangs straight
on a curved track.
/s/ Richard

On Tue, Sep 28, 2021 at 8:52 AM David Bowman via Stagecraft <
stagecraft at theatrical.net> wrote:

> Hey gang,
>
>
>
> I know it would be more pricey, but we’ve (mostly) gotten away from using
> a tradition muslin (or similar) cyc and now almost always just use our
> Rosco Twin-White RP (purchased from Rosebrand, but I don’t recall the cost)
> as a cyc surface.  Because it’s a Twin-White, it works for both front and
> rear whether it’s lighting or projections, it picks-up and transmits the
> light really well. We have the ability via ties on the sides, but have not
> found a need to stretch it in any way, other than a bottom pipe. We did
> find that one should remove the bottom pipe when not in use as the RP
> material has “fused” itself to the pipe we have in there, and we are
> terrified of tearing the goods, so it now has a “permanent” bottom pipe.
> Since it always stays in the tower, it’s not really an issue. 😊
>
>
>
> Only downside is you for sure don’t want to fold it unless you have a ton
> of time to let it hang and stretch the creases/wrinkles back out.  Ours is
> always on a lineset in the fly tower, even if it’s not in a show…..
>
>
>
> Dave
>
>
>
> David M. Bowman
>
> Master Electrician/Lighting and Projections Supervisor
>
> Part-Time Instructor
>
> Syracuse Stage and S.U. Drama
>
> dmbowman at syr.edu
>
>
>
> *From:* Stagecraft <stagecraft-bounces at theatrical.net> * On Behalf Of *George
> Davidson via Stagecraft
> *Sent:* Tuesday, September 28, 2021 10:58 AM
> *To:* stagecraft <stagecraft at theatrical.net>
> *Cc:* George Davidson <george at georgedavidson.ca>
> *Subject:* Re: [SML] We need a new cyc
>
>
>
> Bills Suggestion of a truss is great for a full frame, you can even look
> at the cheaper Global Truss I beam truss as it takes up less space
>
> I have always had good luck with just using a bottom pipe, Rigid conduit
> works well as it comes in 10 ft lengths and comes pre threaded with couplers
>
> 1/2 in is usually enough, if you go too heavy the centre of the bottom of
> the cyc will stretch and sag, for a new cyc, you want the centre to bow up
> slightly so that it has somewhere to settle as the fabric stretches, if
> your looking for a pipe for a scrim, i prefer PVC pipe as its lighter
>
> When picking materials, there are a few things to consider, front or rear
> projection, seamed or seamless and what its used for
>
> for cyc lights, nothing catches the light like a cotton cyc, its the
> little threads on the surface, PVC often reflects more which may or may not
> be an issue, if you take your cyc down or have it on a track, PVC and
> Polyester tend to get fold creases, IFR fabrics are not as soft (lighting
> wise) but can be sharper for projections, seamed cycs are not as nice for
> rear projection, but some seams are invisable
>
>
>
> George
>
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-- 
/s/ Richard
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