Ahh, *now I see* said the blind carpenter as he picked up his hammer and saw...

I mentioned earlier, I think, about finally getting my official "old man's glasses", yes? Progressive tri-focals...

Never mind a smooth progression from single-vision to bi-focals, oh, no...

And never mind about seeing clearly, either. Depending on how I hold my head, I can see the world in various trapezoidal dimensions...

Some things still look like they belong in a Salvadore Dali painting...

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Originally Posted jay Quote:



Thanks jay, I am gald you enjoy it. The Sky Chieftain kind of reminds me of the Estes Sentinal in some ways.


Originally Posted CPMcGraw Quote:



Thanks Craig, but not built yet. I have too many others in the "Test Flight Pending" file for this design to even be concidered to be built. Getting to the launch field seems to be my Spring and Summer priorities and building things when the rain hits in the Fall and Winter months. Well at least here in the Rain Forest anyways.



Originally Posted CentutiGuyQuote:



Key words here from our friendly Cameraman/Reporter are, Vision and Percieve. Must be that Idaho sun getting in your eyes again Jay. Please remind me what it looks like .

Happy Father Days To All.

James Pierson
NAR# 77907

I don't know where this is going to venture off to, but I just created a Wordpress blog for BARCLONE. My intent is to use it as a companion site to both the website, and to this forum. As Scott can attest to, he and I have had quite a difficult time trying to update the primary website with all of the designs that our team has produced. My attempts to create a working database-driven site have not met with success, so I made the decision to stop that work.

I am trying to get back to some serious model design work, and am spending some quality time getting to know my X-Acto knife again. I don't know how much content I can store right now on Wordpress, so I'm going to limit content for a while to just announcements of new designs and test flights.

This new site will in no way become a replacement for our YORF threads or the website. It's just an additional site to showcase the great work our little band of designers have been putting out. I hope it meets with everyone's approval.

The blog is active.

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Now that I'm getting back into the design and build swing, I thought about another open-frame design to get one's teeth into. I think Ephemera does this well. RockSim says it has a 1.36 static margin with a C6-5, so if the calculations are correct, this should be a rock-steady bird.

Length: 30.50"
Diameter: 1.04" (ST-10)
Fin Span: 7.88"
Weight: 1.79 oz

A8-3......140'......Dv 17 FPS......48" x 3/16" rod (req LL-3 lugs)
B4-4......355'......Dv 10 FPS......36" x 1/8" rod
B6-4......360'......Dv 5 FPS.......36" x 1/8" rod
C6-5......800'......Dv 6 FPS.......36" x 1/8" rod

Skin the fins for strength, and it should hold up to repeated landings. I simmed with a 16" parachute, so the landing V would be low.

Enjoy!

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Attached Files

Ephemera.rkt (81.5 KB, 281 views)

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Another excellent design Craig, I had no idea that there was ever a T-2 tube available. This design seems to have a real "Flow" to it .
Also I am wondering if you have a specific reason for placing the aft CR710 in a more forward position?

James Pierson
NAR# 77907

The T-2 is listed on TotallyTubular, so availability TBD. Maybe one day we can come up with enough designs using it for Carl to justify carrying it, too.

The aft CR-710 is 1" from the rear, which is a location I often place the ring at. Some plans only place it 3/4" from the rear, which I think is OK, but it makes the hook a bit stiff when it comes time to remove the spent casing. A stiff hook and a hot casing make it painful on older fingertips.

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Craig,

BMS has the T2 tubes in 34" lengths. Cat

VBG...

Thanks for the heads-up, Ray! I'll go take a look at BMS again.

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This is a kitbash, with parts added. Start with a SEMROC Squire for most components. You'll need to add a long 13mm motor tube, a TB-5 thrust block, four CR-58 rings, and the 3/32" hardwood dowels.

I took the Squire fins and open-framed them, then skinned them with label stock and CA. The forward fins came from the stock sheet, but were trimmed down to match the angle at the top of the main fins, so that the dowels would have a support. Cut the rear ST-8 at 4" long.

The motor mount only needs to be a thrust block, but you can take the long hook and the TB-7 that comes in the kit and still have a working hook retention for the 13mm motors...

Length: 19.70"
Diameter: 0.908" (ST-8)
Fin Span: 5.31"
Weight: 1.17 oz

1/2 A3-2T......90'......Dv 2.2 FPS......36" x 1/8" rod
A10-3T........225'......Dv 7 FPS........36" x 1/8" rod

The Squire kit makes a nice starting platform for many designs. Carl has at least a dozen variations shown in the instruction booklet just using the kit parts alone.

Enjoy!

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Esquire.rkt (55.9 KB, 77 views)

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I spotted some inconsistencies between the posted RockSim plan and the version I'm actually building. They are minor, and probably won't affect the performance of any model built from the first version. I just wanted to be accurate (as far as it's possible with RS...) with the presentation.

There isn't enough of an appearance change to notice, just a slight repositioning of the fins.

Here's what really changed: The rear tube is 3.5" long, not 4". The core tube has an exposed length of 3.5" instead of 3". It is still 8" long. The rear fins are located 0.25" from the rear edge of the tube, and the forward fins and dowels are adjusted to fit.

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Esquire.rkt (55.9 KB, 310 views)

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AMA 352635