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  #1  
Old 03-22-2016, 03:45 AM
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blackshire blackshire is offline
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Default NEW Falcon 9 scale parts!

Hello All,

Boyce Aerospace Hobbies (see: http://boyceaerospacehobbies.com ) is now offering 3D printed grid fins and landing legs as scale accurizing parts for SpaceX’s Falcon 9 and Fairing model rocket kit (see: https://shop.spacex.com/accessories...rocket-kit.html ).
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http://www.lulu.com/product/cd/what...of-2%29/6126511
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Old 03-22-2016, 06:07 PM
Scud-B Scud-B is offline
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I'll be ordering some soon.
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Old 03-22-2016, 07:16 PM
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Ordered mine today!

I'll post a picture when they get here.
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Old 03-23-2016, 01:35 PM
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blackshire blackshire is offline
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Wonderful! I have a set of Boyce Aerospace Hobbies' Falcon 9 grid fins and landing legs enroute in the mail as well--they'll make our F9 models really sharp-looking. Also, by utilizing either of M. Dean Black's two passive, ducted air *finless* model rocket stabilization techniques (please see his article here: http://www.apogeerockets.com/educat...wsletter379.pdf ), the Falcon 9 model could be flown without the clear plastic fins, if desired. In addition:

Boyce Aerospace Hobbies' new 3D printed Falcon 9 parts would make possible a parallel-staged (please see: https://www.apogeerockets.com/educa...wsletter260.pdf for details on parallel staging) scale model of the Falcon Heavy (see: https://www.youtube.com/watch?v=4Ca6x4QbpoM ), without having to buy three of SpaceX's Falcon 9 kits in order to "kitbash" two of them into the outer boosters. (The SpaceX Falcon 9 and Fairing kit uses thick-walled, paper towel core tube-type tubing, and this could also be used for the outer two boosters of a Falcon Heavy model, particularly if computer-printed, self-adhesive body wraps were applied to the outer boosters.) Now:

With three sets of Boyce Aerospace Hobbies' 3D printed parts (the grid fins and landing legs), two appropriate lengths of BT-60 (or paper towel) tubing for the outer two CBCs--Common Booster Cores (outfitted with rear-ejection motor mounts, parachutes, and appropriate hooks for parallel staging--the above-linked "Peak of Flight" article covers these), two cast resin duplicates of the permanently-attached Falcon 9 Merlin engine display nozzles (for the CBCs), and two custom balsa or plastic CBC nose cones, a fully-functional Falcon Heavy model would be built. (Even the second stage [above the three CBCs] could be made "live" if desired. Its motor could be ignited via gap-staging [with the core first stage's motor mount/stuffer tube and parachute being rear-ejected], and the second stage could also use the passive [vented-air] finless stabilization system.) PLUS:

Boyce Aerospace Hobbies may also, I’ve been told, produce an easy-to-install-and-remove camera housing for flying the inexpensive video & still photo keychain cameras aboard the Falcon 9 model (as well as other BT-60 size rockets). Below is more information (including links) on these cameras, and on flying them aboard the Falcon 9 model (which has been done):

The inexpensive #808 V3 keychain video & still shot camera (with audio) has been flown aboard Falcon 9 and Fairing models by several model rocketeers (using both D12-5 and E9-6 motors). The camera can download its videos or still pictures into any Microsoft or Apple computer. While these cameras are readily available on eBay, BayouRat Rocketry (see: http://www.bayouratrocketry.com/ ) has them for a lower price, just $19.99. (I have no financial stake in BayouRat Rocketry—I found them via a posting on “Ye Olde Rocket Forum,” from another model rocketeer who bought from them.) The camera fits neatly just below the model’s bulbous fairing, which reduces the asymmetrical drag of the camera and yields steady views. Below are four links to YouTube videos that were taken from Falcon 9 and Fairing models carrying these and other cameras:

www.youtube.com/watch?v=dgvIkyWRBEc
(shot with an #808 V3 keychain camera)

www.youtube.com/watch?v=nY8Pe_w0mEs
(shot using an #808 16 keychain camera)


www.youtube.com/watch?v=yC9tHx7dNbA
(shot using a *rear-mounted*, forward-looking camera [it contains excellent still shots from apogee, too])

http://www.youtube.com/results?sear...+9+model+rocket
(many more Falcon 9 model onboard videos)

I hope this information will be helpful.
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http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
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Last edited by blackshire : 03-23-2016 at 01:56 PM.
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Old 03-24-2016, 09:29 PM
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Thanks for the heads up! Just placed an order for the parts; that was the only area of the model I dreaded after I received the kit. The 3D parts will definitely enhance the model tremendously.
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Old 03-24-2016, 09:38 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by dwmzmm
Thanks for the heads up! Just placed an order for the parts; that was the only area of the model I dreaded after I received the kit. The 3D parts will definitely enhance the model tremendously.
You're welcome! I received my 3D printed parts today. The grid fins and landing legs look accurate and fit very well! I dry-fitted the whole rocket together (minus its clear plastic fins), and with the upgrade parts in place it looked just like the photograph on the kit box. Also:

Had Alex Boyce not mentioned to me that the grid fins’ airfoils are slightly thicker than scale, that small difference wouldn’t have been apparent. (Looking at them closely, I’m intrigued at their possibilities for use—as actual stabilizer fins—on scale models of the ballistic missiles, satellite launch vehicles, and guided missiles that use grid fins [I think they would stabilize such models just fine, particularly if those models were made to slightly larger scales].) As well:

If the Falcon 9 kit is built to depict one of the Falcon 9 V1.1 rounds that did *not* have grid fins and landing legs (Cassiope, Thales, etc.--for those missions, no first stage recovery was attempted because they required all of the first stage's impulse to get to the desired orbits), the "stock-built" kit is accurate. All that would be needed to depict one of these rounds would be to paint over the printed-on grid fins and landing leg alignment marks, leave off the self-adhesive sheet foam landing leg representations, and add an appropriate mission decal (if one was carried) to the payload fairing.
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
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Old 03-24-2016, 09:44 PM
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dwmzmm dwmzmm is offline
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Quote:
Originally Posted by blackshire
You're welcome! I received my 3D printed parts today. The grid fins and landing legs look accurate and fit very well! I dry-fitted the whole rocket together (minus its clear plastic fins), and with the upgrade parts in place it looked just like the photograph on the kit box. Also:

Had Alex Boyce not mentioned to me that the grid fins’ airfoils are slightly thicker than scale, that small difference wouldn’t have been apparent. (Looking at them closely, I’m intrigued at their possibilities for use—as actual stabilizer fins—on scale models of the ballistic missiles, satellite launch vehicles, and guided missiles that use grid fins [I think they would stabilize such models just fine, particularly if those models were made at slightly larger scales].)


My pleasure! I was just looking at my Falcon - 9 on the table in my garage the other day and always cringe when I look at the foam "legs" (most of the time, they're about to self-peel off). I was thinking of using glue to stop the peeling problem, but "something" told me to hold up on that. Now I know why......

I would also prefer to use half dowels and other parts for the plumbing lines on the exterior of the rocket's body (like the Estes/Centuri Saturn - V), as it would look better than the drawn on lines. But from the distance, it doesn't look all that bad anyway.
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  #8  
Old 03-24-2016, 10:04 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by dwmzmm
My pleasure! I was just looking at my Falcon - 9 on the table in my garage the other day and always cringe when I look at the foam "legs" (most of the time, they're about to self-peel off). I was thinking of using glue to stop the peeling problem, but "something" told me to hold up on that. Now I know why......
Those "stock" self-adhesive sheet foam landing legs look okay from the 1 m Sport Scale judging distance, especially if they're painted black, but they really should be glued down if they're used at all, because of the peeling problem.
Quote:
Originally Posted by dwmzmm
I would also prefer to use half dowels and other parts for the plumbing lines on the exterior of the rocket's body (like the Estes/Centuri Saturn - V), as it would look better than the drawn on lines. But from the distance, it doesn't look all that bad anyway.
Hmmm...vacu-formed (or 3D printed) conduits, plumbing lines, and fairings (the small body fairings located at various places on the rocket's body) probably wouldn't be hard to make. But even if built completely "stock," the body wrap gives a pleasantly surprisingly good impression of those features. SpaceX really did their homework in developing the kit (the permanently-attached first stage Merlin engines' display nozzles are a particularly clever feature!).
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
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Old 03-24-2016, 10:09 PM
Scud-B Scud-B is offline
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So, just to be clear, the back side of these scale parts are contoured to rest against the BT60 tubes?

I'm about to pull the trigger on these parts but I'm half way through making properly contoured legs from wood... I'll save myself some elbow grease if the contours are correct.
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Old 03-24-2016, 10:22 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by Scud-B
So, just to be clear, the back side of these scale parts are contoured to rest against the BT60 tubes?

I'm about to pull the trigger on these parts but I'm half way through making properly contoured legs from wood... I'll save myself some elbow grease if the contours are correct.
Yes. They'll require a little sanding in order to have a perfect conformal fit against the body tube (and only with the landing legs; the grid fins already fit nearly perfectly), but even in their initial state, the landing legs fit well on the body tube. (All of Boyce Aerospace Hobbies' 3D printed parts and complete rockets require a little sanding overall, just to smooth out the tiny, narrow "ridges" between the print head's rows; the "ridges" are only 0.5 mm or less in size. On the landing legs, these "ridges" are nearly nonexistent, and on the grid fins I couldn't see any.)
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
NAR #54895 SR

Last edited by blackshire : 03-24-2016 at 11:15 PM.
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