Craig,

I see you're on a roll again. that Wave Rider looks really sweet!
For fun, how about a second version with some open frame designage.

PS: I know it wont glide if there are holes in the fins but it would look cool.

Just for you, Ray!

Weight is now 1.23 oz.

1/2 A3-2T......83'......Dv 1 FPS......36" x 1/8" rod
A10-3T........224'......Dv 5 FPS......36" x 1/8" rod

Enjoy!

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Wave Rider B.rkt (70.9 KB, 98 views)

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Craig McGraw

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SAM 0044
AMA 352635

Here's a 13mm power pod for launching the Wave Rider as a glider. Remember, as a glider, the Wave Rider should have no motor mount.

Locate the CP on the glider, and position it directly above the "sleeve" shown at the CP location of the pod. This keeps both CPs together for the boost phase.

Mount a short piece of launch lug on the step of the upper fin on the pod. Similar to that found on the Orbital Transport orbiter, position a hold-down dowel on the bottom of the Wave Rider so that it aligns with the lug.

Remember to trim the glider for a stable flight, using trim tabs. Adjust the balance point with clay, as needed, to produce a modest straight-line glide with only a gentle loss of altitude.

Also remember, this is yet to be flight-tested...

Enjoy!

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13mm Boost Vehicle.rkt (55.1 KB, 95 views)

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SAM 0044
AMA 352635

A performance design for 13mm motors, but with a little more style than typically found. Also qualifies as a "Schoolyard Sounder".

Length: 14.70"
Diameter: 0.908" (ST-8)
Fin Span: 4.66"
Weight: 0.81 oz

A3-4T......420'......Dv 4 FPS......36" x 1/8" rod

Enjoy!

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Attached Files

Pulsar.rkt (42.7 KB, 97 views)

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SAM 0044
AMA 352635

Another in the "Empyria" class, just shorter.

Length: 18.20"
Diameter: 1.04"
Fin Span: 5.04"
Weight: 1.84 oz

B4-4......315'......Dv 18 FPS......36" x 1/8" rod
B6-4......325'......Dv 15 FPS......36" x 1/8" rod
C6-5......730'......Dv 16 FPS......36" x 1/8" rod

Enjoy!

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Fury.rkt (80.8 KB, 104 views)

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Craig McGraw

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SAM 0044
AMA 352635

Another "Schoolyard Sounder"...

Length: 15.375"
Diameter: 0.908" (ST-8)
Fin Span: 5.16"
Weight: 0.84 oz

A3-4T......412'......Dv 5 FPS......36" x 1/8" rod

Enjoy!

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Puma.rkt (35.1 KB, 101 views)

__________________
Craig McGraw

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SAM 0044
AMA 352635

So, we have here a stretched, ST-8 version of the old Estes Sprite, doctored up with open-frame fins. It calls for the A10-3T exclusively, as the drag from that ringtail is whacko!

...And thus the name...

It's also a "Schoolyard Sounder"...

Length: 16.601"
Diameter: 0.908" (ST-8)
Fin Span: 3.906"
Weight: 1.03 oz

A10-3T......195'......Dv 21 FPS......36" x 1/8" rod

Enjoy!

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Draggin'.rkt (46.2 KB, 95 views)

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Craig McGraw

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BARs helping BARs

SAM 0044
AMA 352635

Yep, Craig seems to be on a roll here. Maybe I should just stay out of the way before I get runned over . Keep them coming Craig!

Here is a design that I have downscaled from it's original version to a ST-5 main BT just so I could use the Semroc BC-523 for a nose cone. It has been built and flown on an 1/2 A3T-2 to an altitude of around 90 feet in the front yard. I packed the recovery wadding too tight and the streamer failed to fully deploy resulting in a busted off fin at ground inpact. Easily and quickly fixed. My plan in the future for this one is back its original size while still keeping the look of the BC-523 which will be upscaled as well.

Ion Explorer ST-5 13mm
Launch guide length: 36.0000 In

MOTOR.................MAX. ALTITUDE...........DEP. VELOCITY
1/2A3T-2 .............145.64370 Ft.............17.7475 ft/s
A10T-3................302.26706 Ft.............1.2592 ft/s

Thanks Again and Enjoy, JP.

James Pierson
NAR# 77907

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Ion Explorer Version 2 (ST-5 13mm).rkt (81.8 KB, 100 views)

CLICK HERE



Good numbers on the altitudes and Dv, James. Nice and gentle over the top on that A10, and not excessively stressful on the 1/2A3-2. I've really liked this design, too. It has a late-70-early-80-ish Estes feel to it.

Don't wait for me to post, James. Look how long it took for me to get back in the swing of things - nearly two years. We need lots of regular design posts to keep the juices flowing.

We also still need 53 designs to reach 500...

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SAM 0044
AMA 352635

CPMcgarw Quote:


My brain seems to be stuck in the finish what I got mode. I also seem to be very lost in files and need to take the time to see what I have or haven't posted, built, ubuilt, proven etc.. etc.. etc... Anyways, I sure will do what I can to help reach that 500 mark. I need to study the new Semroc nose cones and see what I can come up with .

Thanks, JP.

James Pierson
NAR# 77907