Re: Phil Hartmann Indoor Design

From: tjuell <vinfiz1911_at_verizon.net>
Date: Sun, 27 Jan 2013 21:43:49 -0000

Hi Kang,

To dye something like the OS film or any Mylar or poly film it is best to use the iDye Poly dyes from Jacquard Products

http://www.jacquardproducts.com/idye.html

or the poly dyes from Aljo Mfg. Co. in New York.

http://www.aljodye.com/main.html

On the Jacquard website you can scrool down to the colors available. To get the color density on OS type of film that is in the ministick photo you will need to dye in a crock pot set on high for at least 10 hours. If you get Sergio's Free Flight Quarterly there is an article on dyeing 1/4 mil Mylar in the January issue. If you would like I can write a descriptive process of how I do the OS flim. It is actually easier to dye than 1/4 mil Mylar.

I have not use the iDye Poly blue, violet or green but I am sure they would make an attractive looking model.

Tom

--- In Indoor_Construction_at_yahoogroups.com, "Yuan Kang Lee" wrote:
>
> Hi, Tom,
>
> Glad to see that you're getting more active in indoor flying. The models look great.
>
> If I were to dye an F1D, what would be a good color? Blue, Orange?
>
> --- In Indoor_Construction_at_yahoogroups.com, Tom Juell wrote:
> >
> > A week ago last Thursday I got a Little Zephyr kit from Dave Acton. It
> > was designed by Phil Hartmann in 1983. It made two Little Zephyrs.
> > They are a 12" span, 15" length indoor model suitable for flying in an
> > auditorium or gymnasium. I finished them up by last Tuesday night so I
> > could go with Dave to Teaneck, NJ last Wednesday and fly them. There
> > was a 1/32 ply rib pattern in the kit that helped speed up the build.
> > Red tissue was include but I covered one with dyed condenser tissue and
> > the other with dyed 1/4 mil Mylar. I didn't have any dyed OS film but
> > will use that on a later Little Zephyr.
> >
> > The condenser tissue model weighed 3.00 gm and the 1/4 mil Mylar one was
> > 2.26 gm without rubber. Right off the building board they both flew in
> > excess of 2 min. With a little work they were both flying 3' 45" before
> > we left. These models use flat prop blades mounted at 45° to make a
> > 7-1/4 inch prop. My launch technique and the model handling of the
> > initial torque both need work but I think next Wednesday they will both
> > likely pass the 4 minute mark. Phil Hartmann designed great flying
> > models. I fly his Blue Ridge Square Eagle outdoors and it is partially
> > covered with dyed 1/4 mil Mylar. It flies great and will handle quite a
> > brisk wind.
> >
> > Dyeing condenser tissue, 1/4 mill Mylar or OS film is a bit time
> > consuming but really makes a model look good. I have attached a few
> > photos of the Little Zephyrs and my first try at building a ministick.
> > One of the ministicks weights .55 gm the other .65 gm without rubber.
> > The last photo shows the comparison of the densities of color between
> > the condenser tissue, 1/4 mil Mylar and the OS film. The stabilizer at
> > the bottom of the photos is off the Square Eagle P30, covered in iDye
> > Poly Yellow and Aljo Mfg. Co. Neon Orange Poly dye.
> >
> > I think Dave Acton may bring the Little Zephyr kit back into production
> > so you may be able to build and fly one in the not to distant future.
> >
> > Tom Juell
> > New York City
> > --
> >
> > You can make yourself happy or miserable -it's the same amount of effort.
> >
>
Received on Sun Jan 27 2013 - 13:43:51 CET

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