Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Whiplash Power launcher

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Old 12-22-2002, 11:48 PM
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sydclement
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Default Whiplash Power launcher

Make sure your Whiplash will leave the launcher fast in any
situation, prop size, or engine size, with a small modification.
Install a cross brace between the rail stand uprights. Make sure
it is installed low enough to clear the prop safely.
You can use a wood dowel or a fiberglass rod. It is required
to keep the rail spacing correct correct for the shuttle during
a power launch.
See next post....

Syd
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Old 12-22-2002, 11:59 PM
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Default Whiplash power launcher

Using three #108 rubberbands tied together and attached
between the top end of the rail stand and the wing tips of the
the Whiplash on each side.. The rubberbands are 7 inches long
by 5/8 inch wide and .065 inches thick. The three of them tied
together unstreached is about 19 inches long...

Syd
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Old 12-23-2002, 12:25 AM
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Default Whiplash power launcher

I plan on changing from the rubberbands to 3/16 bungie
cord as soon I can find a shop that sells it by the foot.
The rubber bands will not last long in the sun day after day.
Install a small divit at the back of each wingtip for the
rubber to rest in. Wouldn't want the rubber to slip into
the aileron crack.

The rubberbands can be pruchased at most independent
office supply stores.

NOTE; The top of the rubber is slipped under the leading
edge wing tip on eachside. This makes sure it disconnects
properly during the launch..
The Whiplash will leave fast, straight, and level using this
method.

Next mod will be a setup for other types of aircraft...

Syd
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Old 12-23-2002, 12:31 AM
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Default Whiplash power launcher

More pictures
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Old 12-23-2002, 12:43 AM
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Default Whiplash power launcher

You can eliminate most of your up trim during a
power launch. It will not sink.

Syd
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Old 12-23-2002, 01:14 AM
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Syd, you never cease to amaze me, is there anything you wont try?
that looks like it would catapult the whiplash in a big way!!!
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Old 12-23-2002, 01:53 AM
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Default Whiplash power launcher

Thank you Rick, The parts you sent worked fine.
The local club members were afraid of it at first.
I found myself standing in the middle of a big field
by myself on the first launch.
When they saw it shoot straight away and level
they changed their thinking.

Have a great holiday and a super 2003.

Syd
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Old 12-23-2002, 01:55 AM
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Glad they worked for you, you got the whip too right?
always good to see what you come up with next, hell you're saving us a mint on R&D : )
Happy Holidays, make sure and wax that ford red launcher.. :stupid:
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Old 12-23-2002, 02:19 AM
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Default Whiplash Power launcher

Home Depot sells bungee cord by the foot but a better alternative might be surgical tubing as used in sailplane high starts'. Most all medical supply shops will sell it by the foot and it comes in many different sizes....
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Old 12-23-2002, 02:43 AM
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Default Whiplash power launcher

Hi Sloper10;
Thanks for the info. Should have it set up by
New Years. Have a great holiday season.

Syd Clement
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Old 12-23-2002, 02:58 AM
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No, thank you....I watch and learn....
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Old 12-24-2002, 12:03 PM
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Default Whiplash Power launcher

HI Syd.
To cool. Did you make the launcher yourself? I assume the black tubing is PVC? Where did you find that small of a diameter? And do you have some more detailed pics. This looks like a good project.

Thanks
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Old 12-24-2002, 06:18 PM
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Default Whiplash Power launcher

Happy Holidays tlpayne:

I purchased the Whiplash Launcher kit from Rick at
Aerojet Composite Models in Broussard La.

http://www.aerojetmodels.com

It doesnt take long to put it together if you want to use
it as is. I took some extra time to paint it and make some modifications. The black tubing is from ACM. Rick will sell
you as much as you want. It is made out of fiberglass.


What I wanted was a safe one man power launcher because
these 200+ MPH Whiplash planes do make some of our
club members very nervous. Most of the time I try and fly
it during slow periods except when I need witnesses on the
speed runs...

I'll send some pictures to your E-mail.
Syd
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Old 12-24-2002, 06:43 PM
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Default Whiplash Power launcher

Happy holidays to you to.
I would appreciate some pictures. I will have to talk to Rick after the holidays, as l am pretty sure l am going to get me a whiplash as well.

Cheers
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