Carbon Sally "Thepasty" - Page 12 - RC Groups
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Jun 27, 2010, 11:38 AM
Building with TLAR precision
Zenmaniac's Avatar
Originally Posted by Thepasty
Cutting a few wing cores isnt like kitting the complete kit.... crack on!
Sweet! Thanks, guys!

-= Dave
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Jun 27, 2010, 12:46 PM
Registered User

progress and error...

made my wing, and messed up, but only cosmetically...

making the servo holes

OK, so I painted my mylars VERRY consistently, so consistently that my 'bottom' for my second wing is my top (see the stripes)! That's what happens when you work at top speed during naps, not really thinking too much. Oh well, its a test wing, now sort of 'Harlequin' style. Maybe 'Harlot' for sort as a nickname for Sally .

taped for gluing the roots

hardpoint for a nylon bolt to my putative fuse, DLG style, filled with epoxy/micro/chopped glass... probably overkill, next time I'll use end grain balsa (?).

roots glued, then glassed root on the bias with thin CA

finished product

LE 'OK'.... good enough I guess.

Wt of wing 201g.

I think I'll start on my one piece wing, as I need really to mate the pod to that, not this thicker layup. (being anal).

Johann... sorry to hear about your vacuum, that happened to me on my first wing ever, it came out OK in the end.
Jun 27, 2010, 12:55 PM
Registered User

starting plug experiments...

some pics of a foam block I made for a plug trial (or final, not sure). Only took a few mins. I usually use basswood for this, the foam is such a breeze to resaw!

Comments appreciated.

resawing foam to make the lamination lines

painting the foam for lam lines. The paint didnt etch the foam, surprisingly. the yellow is the center line.

resultant plug blank.

the blank, and my sketches above, am thinking a canoe style pod, like the sidewinderII, or maybe just lost foam at first.

CAD takes me so much longer, maybe some day. Note the CG ('33mm'), and the nylon bolt going through just aft. I put in a 5cell 1/3AAA (?) battery just for fun, nose of pod is 140mm from LE.

It was fun sketching it up.

Jun 27, 2010, 03:29 PM
Stirring the pot
johannlochner's Avatar
This whole process is taking longer than anticipated...
But ..
At least I have a wing for fitting purposes!
(Don't worry about the shape Steve... Just messing around)
She's gonna look cool !

The fuz is getting pretty thin along the bottom.
I'll have to do a fair amount of building up and reshaping!

Hey Steve
You remember....
Not so long ago, I said I'll never fly one of those things without a fuselage and tail feathers???
Now look at me!
Building a flotilla of them, and...
Loving it!
Jun 27, 2010, 05:29 PM
Stirring the pot
johannlochner's Avatar
Hey Ben
Good progress there!
Impressive array of wing cores and tools in your shop!
How do you upload your photo"s Ben?
Try using the paper clip tool for attachments...
Easier to manage on the thread.
Looking good!
Jun 28, 2010, 04:12 AM
Stirring the pot
johannlochner's Avatar
Hey Steve...
That cg you noted...
Sounds very far forward.
I think I may have some problems with the tail weight!
Difficult to tell just yet.
The tail seems quite long ....
Do you think I should try and shorten it by 10mm or so?
Once the mould is cast..
That's That!
Jun 28, 2010, 04:24 AM
Fly fast, Dont crash.
Thepasty's Avatar
Your fin and pod sizes/proportions look different to the Sally design, however cutting 10mm off the fin wont have any impact on slope flying.
Jun 28, 2010, 04:26 AM
Fly fast, Dont crash.
Thepasty's Avatar
You could reduce the forward sweep of the wing which would also bring the cofg back a bit... you might have done that already?
Last edited by Thepasty; Jun 28, 2010 at 04:35 AM.
Jun 28, 2010, 04:36 AM
Fly fast, Dont crash.
Thepasty's Avatar
One more thing, on all my versions to date the fin has been forward of where its at on the plan... I have updated the plan now so will upload it when I get the chance.
Jun 28, 2010, 04:44 AM
Stirring the pot
johannlochner's Avatar
Originally Posted by Thepasty
You could reduce the forward sweep of the wing which would also bring the cofg back a bit... you might have done that already?
What did you say...
Don't duff the design!

The pod and tail plan form are still exactly the same..
Wing sweep too...
Only change is the thickness of the tail, but that will be hollow.
The pod is the same, but center line adjusted straight from tip to center of the tail to allow for the fuz to sweep below the wing seat.
And I buggered around with the wing shape for fun..
As this is only for seating purposes..
Never mind,
If it is to tail heavy, I can cut down each fuz as it pops out!
Jun 28, 2010, 05:03 AM
Fly fast, Dont crash.
Thepasty's Avatar
Really?! looks like the pod is smaller and the fins way out back... Fins positioned as the plan? , I gotta adjust that.

She'll be right, weights not such an issue as you're not side arm launching, stretch the span a little more if you're worried about the wing loading.

I've already got plans for a stretched span version... Big Sally
Jun 28, 2010, 08:52 PM
Registered User
Marcelo Blumm's Avatar
I build the SalAz and Im in love with it! The Glass Sally is my next build for sure! I like the way that John will make moulded fuse with fin. I plan to do this way!

John: the wing you plan to do hallow moulded too? I thing you "over glassed" this wing, dont need all this glass if you want a light wing! I have bagged wings with 83gm glass and is stiff enough! My SalAz is fust 77+tape and I abused a lot!

Pasty: can you provide the Cad files? So I can modify and print the fuse.

obs.: my SalAz use a "generic airfoil"

Keep posting!
Jun 29, 2010, 01:49 AM
Registered User
Marcelo Blumm's Avatar
SalAZ - Praia do Rosa - SC - Brasil (2 min 3 sec)

My SalAZ

Jun 29, 2010, 06:54 AM
Stirring the pot
johannlochner's Avatar
Hey Marcelo
Nice to have you on board!
Great looking slope with the wind straight up!

This bagging thing is still pretty new to me..
But I agree, I could have gone lighter...
No hollow moulded wings just yet!
Still trying to get a handle on this....

I think I may have to re-shape the fuz with a shorter tail moment
Hack this one and do a cut and paste!
I'll look at it tonight.

Congrats to Brazil on their soccer win last night!

We're all out!
Jun 29, 2010, 08:04 AM
Fly fast, Dont crash.
Thepasty's Avatar

I'm not sure I'm keen on posting the CAD files, weirdly I'm not sure why either.


I'm looking after my boy tonight so I'll be in and around the PC, I'll sort the plan, updating the fin position and I'll do a version that joins the pod and fin... thats while I wait for epoxy to set as I assemble a Typhoon on the lounge table.... dont tell the wife!!

Note that if you want a light weight Sally a seperate pod and fin is the best solution, any weight running to the tail results in a fair bit having to go up front to compensate.

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