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  #1  
Old 01-15-2022, 11:14 AM
mbauer's Avatar
mbauer mbauer is offline
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Join Date: Oct 2012
Location: Nikiski, Alaska
Posts: 275
Default Interested in Large Size Cardstock Rockets?

Good Morning,

Been thinking about marketing some of my rocket designs.

One that might interest you is a 1/12 scale Mercury Redstone. Have the MR3 and MR8 versions.

Been flight tested using up to 80lbs of air pressure: https://www.youtube.com/watch?v=s_E29l4hnuc

Others that can be printed and sold: Saturn 1B and V.

These rockets will be printed on 2ft x 3ft sheets of cardstock. The Avatar picture used is the 1/32 scale Saturn V that uses 14-sheets.

For the big sheets I charge $15 a sheet. If someone PMs me and wants to try them here I'll drop the price to $12 a sheet (need to cover ink and paper costs-the ink in my plotter is designed for drafting not doing full ink paint jobs..) 1200x1200 dpi quality uses lots of ink fast!

Videos and photos. Yes the winged X-15 is an air pressure launch rocket as well. It is 4ft long as is the SR71. The SR71 is not a rocket, just a glider.

Old style Saturn V 6ft tall rocket launch using 94lbs of air pressure: https://www.youtube.com/watch?v=u-HFL79Rd-M&t=3s

New style Saturn V can be made any size up to 10ft tall.

Anyone interested? PM me or post here.

Mike Bauer
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Last edited by mbauer : 03-03-2022 at 09:47 PM. Reason: Saturn V photo-Major typo-not sure how MR7 should be MR3 Changed
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  #2  
Old 01-15-2022, 01:04 PM
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Gus Gus is offline
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Location: North of Detroit
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Default

Wow, very neat! How do you converted any of these into model rocket engine powered rockets?

Also, could you give us an idea of how many sheets are used for each of the Rockets you've shown.

Thanks.
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  #3  
Old 01-15-2022, 05:47 PM
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mbauer mbauer is offline
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Default

Quote:
Originally Posted by Gus
Wow, very neat! How do you converted any of these into model rocket engine powered rockets?

Also, could you give us an idea of how many sheets are used for each of the Rockets you've shown.

Thanks.


On the centering rings inside the rocket, there are different diameter cutouts for the different tubes. The model comes with a center tube that is 1.02" diameter. This can be replaced with BT tubes, by cutting the appropriate cutout..

For Air Pressure rockets the tube has a plug at the top. It works as a PSI tube to contain the compressed air from the tank. A ball valve releases all of the air at once. The tube has to be strong

By removing the plug you have a direct path to pop the nosecone off.

To use the tube that is full length in each rocket, it might be better to create an adapter from the engine to the PSI tube.

You'll want to use wood for the fins like a normal rocket.

I'll look at the different drawings and get a sheet count.

Really like your questions. Thank you.

Mike
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  #4  
Old 01-15-2022, 06:36 PM
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Gus Gus is offline
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Default

Thanks, Mike. I've been on this forum for years and never seen anything offered for sale like what you're offering.

I know that Frank Burke of Dynasoar Rocketry flies some truly beautiful very large scale paper rockets.

Steve
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  #5  
Old 01-15-2022, 07:16 PM
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mbauer mbauer is offline
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Default Sheet Counts

Quote:
Originally Posted by Gus
Thanks, Mike. I've been on this forum for years and never seen anything offered for sale like what you're offering.

I know that Frank Burke of Dynasoar Rocketry flies some truly beautiful very large scale paper rockets.

Steve

Hi Steve,

Okay, did some checking. It has been some time since I've visited the drawings.

Special note in the Saturn 1B, about some idiot that designed a hard rocket to put together. I remember now, where the lower tubes meet the upper part I had troubles lining everything up, my notes tell how I planned to fix. I'll update for sure.

The Saturn 1B is 1/32 scale. It was done before I purchased Peter Always book, Rocket of the World. I'll need to update the rocket with better scaling and graphics. Sheet count is 8.

Full Size ARCAS = 5 sheets (only have the display version with the Teddy Bear) will need to re-paint to the Chey silver that the originals flew with.

4ft long X-15 = 5 Sheets

1/32 Saturn V 10.43ft tall = 14 Sheets [Rocket Weight: 2.237lb. / 1014.9gm]
1/40 Scale 8.34ft tall = 8 Sheets*
1/48 Scale 6.95ft Tall = 5 Sheets*
1/50 scale = 6.68ft tall = 5 Sheets*
1/60 Scale = 5.56ft Tall. = 4 Sheets*
*These have been updated in the drawing to verify sheet counts.

5ft long F-106 Delta Dart(R/C Capable) = 7 Sheets

Mike

Last edited by mbauer : 01-16-2022 at 12:57 AM. Reason: updated sheet count
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  #6  
Old 01-16-2022, 07:20 PM
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mbauer mbauer is offline
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Default Saturn V Size

After looking at a chart for Estes on engine size/max lift weight, decided to print one of the Saturn V out and test the weight to see if it will work for a D12-3.

5-sheets should put the model around 10 oz. D12-3 says it will lift 14oz.

1/48 scale at 6.95 feet tall. Wonder how much the increase in drag will work with the 14-oz limit.

A couple of minor updates to the drawing still to go. Looking at the centering rings that give it support-can they have holes in them to reduce weight. Thinking the answer is yes. There are 5-big ones 8.25" in diameter.

Mike

Last edited by mbauer : 01-16-2022 at 07:53 PM.
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  #7  
Old 01-16-2022, 07:30 PM
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Earl Earl is offline
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Default

Yeah, at 1/48 scale that is going to present, what, about an 8” diameter cross section into the airstream? That might be asking just a bit too much for a D12 to overcome. An Aerotech E30 might would do it though and it is 24mm also.

What’s others think?

Earl
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  #8  
Old 01-16-2022, 07:39 PM
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mbauer mbauer is offline
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Default

Quote:
Originally Posted by Earl
Yeah, at 1/48 scale that is going to present, what, about an 8” diameter cross section into the airstream? That might be asking just a bit too much for a D12 to overcome. An Aerotech E30 might would do it though and it is 24mm also.

What’s others think?

Earl


Yes, you are correct: 8.25" diameter.

It's been some time since I last flew. My last flight was my Saturn V on D12-3. Biggest I've launched.

Thank you for the comment on the drag.

Been looking at the Aerotech Glider power.

Edit: I've got some 3/16"cold rolled mild steel that I use on welding projects-thinking to do a 5 ft long launch rod to help it get enough speed for flying on its own.

Mike

Last edited by mbauer : 01-16-2022 at 07:56 PM. Reason: Rod
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  #9  
Old 01-22-2022, 07:39 PM
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mbauer mbauer is offline
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Default Change to Scale

After printing and weighing the parts before gluing; the 1/48 scale will be too heavy. E12-4 possibly the answer.

Re-sized and printed a 1/60 scale that should weigh under 10-oz (8.26oz est. weight) with a 6.6" Diameter Stage 1 & 2.

Height will be 5' 6-3/4" tall [66.72" or 169.5cm]

Mike

Last edited by mbauer : 01-23-2022 at 08:28 PM.
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  #10  
Old 01-23-2022, 03:17 PM
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mbauer mbauer is offline
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Location: Nikiski, Alaska
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Default 1/60 Scale

Changes have been made to the basic layout of parts printed.

The 1/60 scale Saturn V now prints on 3-sheets of cardstock.

Part of the reason is I have patterns printed for using 3/16" foam board instead of cardstock laminates for the support bulkheads. Removing the laminate paper patterns allowed the new version to print on the 3-sheets.

It has been several years since my last launch. My 1980's Saturn V from Estes. It uses the D12-3, so decided the first new launch will be the same. The very last flight in 1990 Catto'd, the Saturn V is still awaiting repairs.

I ordered items from Estes to get this project in the air, and fix the broken Saturn V.

Mike
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