|Apr 08, 2008, 01:02 AM|
Mableton, GA USA
Joined Nov 2005
You just copy and paste the youtube url and the forum software automaticly embeds it. Like this.
easiest way to see it is to click the quote button on one of my posts.
|Apr 08, 2008, 02:37 PM|
Larger 58" span F-14 in process !
Pix as of Right Now.
Parts as HOT OFF the CNC machine.
It took me over an hour for this first set
I'm going to use the new Gorilla Glue that is White !
It simply says "Fast Cure - Dries White" on the bottle !
No "new" name ?!?! those marketing guys are getting lazy
I'm finally tired of the SUMO bottle issues and over expansion at times.
17 oz parts weight as they leave the CNC
More pix as things progress !
|Apr 08, 2008, 04:25 PM|
Well back in post 833 ( I think ~~ ) I did a little calc to show my costs ...
But some things have changed so here's a new one ...
White depron 6mm $4.05 / sheet x 7.5 sheets = $30.38
White depron 9mm $6.75 / sheet x 1.5 sheets = $10.13
Cutting rate $6 / sheet - $6 x 9 = $54
Boxing is up in the air but - maybe a coupla bucks.
Shipping $11 est, maybe more
so a of total $110 including US shipping with insurance, sounds about right
9mm ONLY comes in WHITE and I have to mill White depron more slowly
I dunno why but it's "different" than the black :-(
edit add some more pix !
Am I crazy ? this is much bigger than I expected !
For instance - Its on its tail on a bathroom counter
BTW I blanked out the Flash in the pic using paintbrush pro
|Apr 08, 2008, 09:30 PM|
Canada's East Coast, "An Ocean Playground"
Joined Apr 2002
Yeah Bob, I think you did a oops..!
There probably is a market for something in between...modellers hate having to put their models on the roof racks to transport.
Good news on the white Gorilla glue..I'm using the Sumo and cussing this ridiculous container...they have already changed it once and not got it right yet. Come on Loctite..get your act together.
|Apr 08, 2008, 10:44 PM|
You are SO RIGHT re Loctite !
For THAT price you'd think they could DO a nice bottle/applicator !
Chem Eng's probably did the glue but "Marketing" did the bottle :-(
I'm really starting to LIKE this White Gorilla stuff !
It sands much better after setting up too !
The Sumo stays too rubbery to sand well.
AND if you use Pins to hold things together then you will like that
they Pop loose from the WG glue easily whereas Sumo holds
and pulls out terrribly IMHO.
I have to use a knife to restore the pins to smooth.
Good glue but lust a bit too good.
I still have some SUMO left so I'll use it up on laminations
and stuff thats Inside and out of view.
Span is~58" wings open !
I may have to power this with my A123's in 3s 2p mode
that'll make even heavier tho - hmmmm
Or Maybe use TWO smaller motors -
Theres OVER a FOOT prop width clearance !
It's looking like a pound cake ...
Pound of this and pound of that ...
Gonna need Lotts O Watts !
|Apr 10, 2008, 08:24 PM|
Just a progress report.
I used Pop bottle material around the Wing pivot boss's.
I used 1/8" ply on the Servo extension and Wing pivot braces.
I worked out that if I make the Servo arm extender a bit longer on the bottom
then I get both wings to move the same amount.
I spent hours in Cad fooling around with ideas an how to improve that area
but ended up with a simple quik fix.
You'd think a simple scale up would be the same. Oh well
At least I'm making progress.
I took the easy way out and will give an old Fut 148 servo a try
for the Swing wing. Got tons of em from the old days.
Still thinking about two motors and two ESCs and two seperate battery paks.
Using 6" props theres room . :-)
|Apr 10, 2008, 08:31 PM|
You realy need to do the full fuse nose. It don't hurt the flying at all. I've got a dozen so far. Flies great, looks great.
|Apr 10, 2008, 10:23 PM|
yeh yah ... I hear ya ,
Spoz your right, but
I was trying to keep with Mikes original design concept of a QUIK Build !
And it is going together pretty quik IMHO.
Quik and Fun = BIG FUN !
I dont have anyone to impress here where I am at.
No club, no club meetings, no club experts to impress, no shows zip nada zilch
I've seen some of the real nice looking Pusher jet in that forum.
line jetsets new X29 http://www.rcgroups.com/forums/showthread.php?t=838414
and they are impressive.
I also build giant scale Gliders, GrosSeglers !
Working on a Duster 1/3 scale ,my own design
and a 120" Pilatus Porter for a Tug 9 HP 3w 80xi cs , for starters.
Foamies are Foamies so I dont try to embellish them too much.
|Apr 10, 2008, 10:47 PM|
Joined Jan 2008
WOW! I can't wait to follow your progress birdofplay!
Amazing design and build.
Inspiring me to build my first jet type plane, I've been in trainers so far...
Thanks for all your work and sharing the build with us!
|Apr 11, 2008, 05:03 AM|
|Apr 11, 2008, 09:35 AM|
Bill: yes, I found some Cf Kite sparing left over from my Kite building days.
Still available at many kite shops and kite buyilder supply places.
Kite Studio , Hang Em High on East coast and Goodwinds in Seattle and a nice on in Boulder.
Using the 9mm foam fo the wings left a lot of room for a still CF tube 4.5mm ~ .177"
I Routed a channel for it to fit into and drilled a hole in the LE piece so it could go all the way to the tip.
I also routed off a roundover on the LE's . Not the best results :-(
Electric I: Good idea re contra rotating props but then I'd have to find
and buy a bunch of Pusher props of 6" dia and various pitches.
For this initial prototype of Mikes design at this size I'm just going to try using
the two Tower Pro 2409-12A motor that I got from UH a while back and have not
even flow them yet.
I had hoped that they were the SAME as the motor I got from RCHotdeals in Portland
for a slightly higher price. But they look slightly different and didnt come with nearly
the accessories. It remains to be seen if they perform similarly.
Regardless I see that NEITHER carry that motor now :-( nevermind
A new buy would lead me to LightFlightRC for some Suppo motor.
Like the 2217-06 I have on my SU-47
The weather here is getting better this weekend , SO ...
bulding may have to take a back seat to FLYING !
|Apr 11, 2008, 11:33 AM|
Canada's East Coast, "An Ocean Playground"
Joined Apr 2002
If I bury an esc in a model, it's going to be the first item I have to change...!
So I elected to lengthen the hatch as others have done. I shortened the glued in tail piece and used two pinned hinges from DuBro to hinge the two piece hatch. With a small ply tab at each end and a couple of magnets attached near the hole, it will stay nicely in place but allow easy access to the esc.
oops..ignore the pic date, I've corrected it..!
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