Arrow Ghost - Page 2 - RC Groups
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Sep 27, 2011, 11:45 PM
Registered User
1900 Driver's Avatar

That makes it better than cnc! I dont want one, I need one!!!

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Sep 28, 2011, 12:55 AM
Registered User
Shaper Dave's Avatar

Your on the short list. Wait, there is no list! I'll be in touch when it finally actually becomes a glider. 5 more molds to build before I even get a chance to play with this mold.

Sep 28, 2011, 02:44 AM
Registered User
Kai@UCSB's Avatar
More information for the P5 Thermal ship ?
Sep 28, 2011, 08:39 AM
Stangely Spinning in a Circle
Griphon's Avatar

If there's a non existence list, please put my name somewhere behind Greg's.

Chris Rose
Sep 28, 2011, 09:22 AM
Please, I want to be on the list!

I currently fly 2 of Dave's creations: a P4 and an Arrow Legend DLG.

I got the P4 off the groups, and it's a great TD ship - flew it in my first TD contest and got all my LSF I landings that day! I also placed 2nd in unlimited, keeping pace with the moldies. So when Dave ran a batch of DLGs I went for it - my Arrow is a flying work of art and it flies just as well.

OK - I'll stop now, but Dave's skill and craftsmanship are incredible and I can't wait to fly his latest creation!

Sep 28, 2011, 12:09 PM
Registered User

I've gotta have one as well. Love your craftmen ship as well. My Arrow 2 Sport recently had a mishap as I abused it on a little highstart (5lbs pull) in 10mph wind with flap. Had an awesome ping until the wing Taco'd...

Absolutely phenomenal craft. Next plane is a Mystress... right Paul?

Sep 28, 2011, 12:19 PM
Aurora Builder
Just what I needed, I'm going to go for it this winter on some non-production work.
Sep 28, 2011, 12:31 PM
Come out swinging
sporter's Avatar
How did you decide on the airfoil and planform? I won't ask what sections you used.

Also, Why is the trailing edge former so close to the TE? Usually, you see the back of the mold several inches away from the actual TE, like a shelf of sorts.

Until recently, all of the molded models we fly were from tools produced in the same way. This is a great way to do it. I would argue that nobody would be able to detect a diminished flight characteristics in a wing pulled from a moldset like this, versus CNC routed molds. If you spend alot of time polishing, I bet the difference would be visually undetectable as well.

I want to see the mold layup sequence as well.

Sep 28, 2011, 01:12 PM
Father of Fr3aK, DLG Pilot
tom43004's Avatar
Great work Dave. This takes me back to a molded XP3 experiment I did many years ago.

On the CNC thing, nobody will argue the accuracy of a CNC wing versus hand shaped. Whether that accuracy is NECESSARY or not is a whole different debate.

My resin channel is right at the TE so the thick splooge doesn't have far to travel to get out of the wing. If you make it travel too far, it may choose to go back inside the flapperon instead (path of least resistance) and it doesn't get trimmed off that way, but lives on as weight in the TE of the wing... the worst place for it.

Subscribed for sure.
Sep 28, 2011, 01:40 PM
Registered User
Shaper Dave's Avatar
Humm, those non existent list get filled up real quick!

The wing is a Legend wing smoothed out with more panels towards the tip. Normally the Legend is a 3 panel per side wing and I think the plug has 6.
I have been real happy with its performance and handling as a bagged wing and not wanting to go to far removed from proven performance this is the next increment in the design evolution.
Im using the same templates and planform just smoothing out the leading edge.

Tom's thread over in the Composites forum is great and full of info on molding and using a self made CNC machine. Very nice Tom!

Here is a shot of the Trailing edge trough. Just how Tom explained it. I used Corian for the strip. Great stuff for making molds. I use it for my bent joiner molds for TD ships. Tom made his wing molds from this material.
Sep 28, 2011, 01:55 PM
Father of Fr3aK, DLG Pilot
tom43004's Avatar
Dave, did you thermoform the corian in the TE? Just curious.

...and thank you btw. That thread is getting a bit old but I plan to do a new one later this winter. You're one of the guys who has inspired alot of my building ideas along the way.
Sep 28, 2011, 02:30 PM
Kyle Clayton
Wave Glider's Avatar
Not to over-simplify or belittle things at all, but more or less is the Ghost going to be a "modernization" of the Legend? Meaning it will be a Legend that has a moulded wing, one piece fuse, and foam tails?
Latest blog entry: Helios and XXLite DLG
Sep 28, 2011, 02:34 PM
Spins With Gliders
djensen's Avatar
.. and to follow on... will the aileron control mechanisms be the same?
Sep 28, 2011, 03:10 PM
Registered User
Shaper Dave's Avatar
The Ghost is the next step in the Arrow evolution. Taking the best of the Legend
and going to the next step. Molded wing, 1 piece fuse and even better fairing to fuselage junction.
The tails will be bagged as I don't think I can mold a light tail with out a CNC cutter to cut the cores. A few of you have the foam tails I made before shutting down.
I was planning on going with the original TDS in the wing but may go with RDS instead to free up space for ballast.
Here are some shots of the fuse plug and mold I did early this year.

Sep 28, 2011, 03:13 PM
Spins With Gliders
djensen's Avatar
I'd vote RDS. While the torque rod was clean, I was never able to get the flap throws where I wanted them.

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