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Posted by 1000MPH | Jun 12, 2014 @ 12:15 AM | 1,994 Views
To celebrate the re-release of the JW kits I've decided to start another one. I need a fun flyer for Weldon.
www.jwglider.com

Specs:
Target Weight: 70-80oz
Solid spar "pro" version
Full span elevons.
Balsa and spruce fin
Gooped fuse
Metal geared Airtronics fast std sized servos
5 cell AA flat pack.
All gear in the wing
2.4 Hitec rec'r
Posted by 1000MPH | Oct 16, 2013 @ 08:30 PM | 4,198 Views


Up next is the Bee II.
This is the second of the 3 Bee builds I'm doing for DS "furballing".
The main build thread is here in the DS Forum.

Here are the modifications:
· 5 cell batt pack
· 4 - .080" Fiberglass rod spars.
· .25 Solid FG rod in stock location
· .22" Carbon subTE spar
· Standard Hitec HS-325 servos moved outboard and just in front of the stock spar location
· 3 layers of strapping tape
· Monokote
· Oversized winglets
· Upgraded balsa elevons
· 4-40 linkages

Target weight: 40oz
Posted by 1000MPH | Sep 12, 2013 @ 11:25 PM | 3,763 Views
I decided to build 3 40oz EPP wings.
All versions of The Windrider Bee 48" . The Bee, Bee II, and the BeEvolution.
I want these planes to fly fast but not too fast and I want them built tough.
I would like to be able to have three pilots fly them at the same time in what we like to call a "DS furball".
This is not combat, more like formation flying with a little bit of rubbing and bumping.
The Bee and Bee II should fly identical but the build will differ slightly.
I'm starting with the BeEvolution.

· BeEvolution - a molded EPP combat wing from Ming at Windrider.

Here are the modifications:
· 5 cell batt pack
· 4 - .080" Fiberglass rod spars.
· .25 Solid FG rod in stock location
· .22" Carbon subTE spar
· Standard Hitec HS-325 servos moved outboard and just in front of the stock spar location
· 3 layers of strapping tape
· Monokote
· Oversized winglets
· Upgraded balsa elevons
· 4-40 linkages

The build thread is located here.


Posted by 1000MPH | Jul 23, 2013 @ 12:01 PM | 3,201 Views
JW Fuses a la Stu:

I weighed my last fuse at various stages and will list if available. Also, the pictures are of several different fuse builds so try not to get too confused.

1. Glue the rear of fuse with full strength goop. Let dry. (2.1oz)

2. "Sand it round" with 50 grit. Not 80 or 120 etc. I use a belt from a belt sander cuz I can't find 50 grit at home depot or walmart. 50 grit seems to pull up less chunks, go figure.
Click this bar to view the small image.

3. Add whatever reinforcements you want. My latest and greatest is 4 pieces of .080" fiberglass. 80 cents for a 4ft rod. End result seems as stiff as the carbon ones I've made.

4 Create a noseweight space. I slice a long rectangle of foam out of the front of the fuse, cut the sides off and goop them back in their original spot.

5. Thin goop the raw EPP. Several coats if you feel like it but not too thick. I use 2 coats max.

6. Spackle over the gooped fuse. Hint, wet EPP or watery spackle helps with the first application, especially over thinned goop.

7. Sand, respackle, sand, Repeat until satisfied.
...Continue Reading
Posted by 1000MPH | Mar 21, 2013 @ 05:02 PM | 3,945 Views
bee weights
2.4oz Wing cores ea
4.7oz total
.36oz ribbon spar
1.57oz Servo
3.14oz Servo x2
.47oz switch
.54oz Electron rec'r
1.97 oz AAA batt
11.18oz w/o glue
12.0 W/ all gear installed
13.2 after fully spackled and ready for thinned goop

13.7oz 1 coat of goop top and bottom before tape
14.1oz 2nd coat of goop in front of cg
13.9oz after 1 day drying
15.9oz 1 layer of 3" on bottom only. new tape pattern
17.7oz fully taped
18oz with extra extreme tape on LE. cg forward
cg at 7"
18.2oz thinned goop on bottom
19.2oz bottom covered w/stripes
20.6oz top covered w/o decorations
20.9oz w/ flames
1.01oz elevons ea. x2 (2.02oz total)...
Posted by 1000MPH | Mar 07, 2013 @ 11:43 AM | 7,041 Views
Several people have asked how I do my flames...

The top is covered in one solid color and then the flames are cut out of Monokote or Ultracoat and added. I grabbed a gif from an r/c car site a while back and I modified it in PhotoShop (scale, skew) to suit my needs. Ultracoat is easiest because you can easily transfer the image to the paper backing. With Monokote it's best to 3m77 the stencil to the backing and cut around it.
It takes only about 1/2 an hour to cut out one wing.
Apply the flames in one piece (per wing) very carefully using the lowest heat setting that will activate the adhesive. Start near the leading edge and work along it. You can go back and adhere the flames then turn up the heat and seal really well. The Fluoro Monokote always makes an ugly gluey mess. Clean up with acetone.

Images


View all Images in thread

...Continue Reading
Posted by 1000MPH | Feb 11, 2013 @ 02:42 PM | 2,944 Views
  1. Build carefully and clean.
Search these topics:
Predator Bee, BeEvolution, Predator Rebel, Devastator DTV, HP60,
thinned goop (goop thinned with toluene or xylene)
Potted servos
New stuff

where you fly and how you fly are also factors in what or how to build.


For hard core DS foamy tips and taping techniques look here
http://www.rcgroups.com/forums/showthread.php?t=832972

Predator Rebel Build thread, great all around building techniques with "new stuff"
http://www.rcgroups.com/forums/showthread.php?t=955480
Posted by 1000MPH | Jun 21, 2012 @ 12:01 AM | 3,505 Views
I forgot to post this one. I finished it last year but was skunked at several attempts to maiden. This is my heaviest JW yet at 105oz. It's still a single spar kit but I upgraded to solid carbon rod and carbon subTE spars.
I've switched to using the fluoro on the flames to help see the wing when it's coming at me. It helps.
I got it to 200mph last month so I'm happy. I think that makes it 4 of my JW builds that have gone at least that fast. I think there's more in it if I can keep it together.
Posted by 1000MPH | Jun 20, 2012 @ 11:47 PM | 3,506 Views
Here's a great little 24" plane now being sold through Matin at NCFM.
The Half Bad.
I'm not really happy with my build on this one and it still needs some tweaking to get if flying well. Other folks are flying them from light to really heavy. I have another kit so we will see...
Posted by 1000MPH | Jun 14, 2012 @ 07:18 PM | 3,744 Views
I wanted to see what would happen if I built a Windrider Bee capable of 200MPH. I'm not sure it will go that fast but didn't want the build to hold it back.
The results...
70oz
4 layers of 3M 8959
Carbon Sub TE spar
Standard Tube Spar with steel rod insert
Leading edge I-Beam config carbon rods
Ribbon spar
5 cell AA pack
Standard Hitec Digital servos moved out to 9.5" from CL
Full TE w 4" fixed inboard and out.
4-40 linkages.
Spruce and balsa winglets
NO Laminate Film!!.
NO glassed or carbon elevons.
CG has been tested at the usual 8-1/2" but it's much more stable at 8-1/4". Inverted flight is still good but I'm going to have to do some tweaking.

Speeds: Maiden 166MPH at Weldon.
200? Maybe.

UPDATE: 2/19/13 - Got the Bee up to 190 at Weldon in winds 30-42. Really felt good just when I was about to rip off the fixed trailing edges and start over.

UPDATE: 5/26/13 - I broke 200 at Weldon in really smooth winds 30-50mph.
Final speed was 204mph. Really happy with the performance of the Bee. Pretty cool to do a punch-out to speck altitude in about 5 seconds.
The general consensus is I need to bag the elevons if I want to go any faster, they are quite flexible even cut down and covered with strapping tape.
Posted by 1000MPH | Feb 06, 2011 @ 11:33 PM | 4,879 Views
I never took a pic of my original Alula. It was too ugly. This is the Alula Evo. Uncovered and unadulterated Arcel foam. Flames are painted on with paint pens and sharpie.
Posted by 1000MPH | Jan 29, 2011 @ 02:36 PM | 4,369 Views
I was lucky to be asked to build a JW with an experimental Peter Wick airfoil (don't know which one).
Turned out pretty nice. It took a bit more dialing in of the CG but I managed to get a 206 over Thanksgiving week up at Weldon.
Posted by 1000MPH | Jan 29, 2011 @ 02:08 PM | 4,122 Views
I built an acro DS Bee I call the Killer Bee (original huh?)
40oz. 3 layers of strapping tape, sub TE spar, 5 cell battery, 4-40 pushrods, servos moved out a little. Clocked her at 139 out at Weldon for an airframe record.

Update: Recorded a 165 at Weldon last Wednesday. Very happy with the performance but at those speeds I found myself running out of elevator due to flex. I will try something else on the next one.
Posted by 1000MPH | Aug 03, 2010 @ 07:22 AM | 5,026 Views
I smacked this plane into the ground at over 100MPH on her maiden. Not enough pitch control but I DS'd her anyway.
Ready for another shot with about 2 oz less noseweight.
Update: I smacked the Mako into the ground again and busted an elevon. This time I entered a rough backside at Weldon with too little airspeed. Not an easy plane to fly at this loading. At the time I was doing more test flights and moving the CG back even more with about 2.5oz of stick-on lead by the fin. Pitch control is much better but slow speed handling is non-existant. Got a 160+ somewhere during those test flights so I know it's fast.
Update: I managed to tie the airframe record last time out. 181mph.
I'm still making improvements on her.

Edit: The Mako lives! The plane simply needs more elevon and that's what it's getting. Stay tuned...
Posted by 1000MPH | Oct 18, 2009 @ 09:17 PM | 5,506 Views
I killed my last Bee in a 110+MPH DS crash. I broke a std size karbonite servo for the first time. Here's it's replacement. 21oz classic Predator build. The only difference was I used 3m extreme instead of the 3" windrider strapping tape. I like the 3" tape but on my last build it wrinkled under heat and I wanted to avoid that on this one.

Update: This plane is still going great. I cut down the tips a little to move the CG forward. They are still longer than stock but 1/4" shorter in height. I also added about 5 layers of clear tape to the LE in front of the CG. Balance is just slightly forward of 8-1/2" and perfect. The performance of the Bee never ceases to amaze me. On high rates with a bit of expo and I'm getting a fantastic but controlable roll rate and really tight inside and outside loops.
Posted by 1000MPH | Sep 14, 2009 @ 08:10 PM | 6,017 Views
Weasel Pro Rebuild.

This is the third rebuild I’ve done on this Weasel so I decided to try something a little different.
I still have an original kit stashed away if this doesn't fly well.

Weasel Pro “DS”

21 oz RTF

Changes:

Balsa fin.
New elevons made to match the airfoil.
Bottom hinged.
Full strapping tape covered wing,
Gooped fuse.

Should be fun for light wind DS acro

Posted by 1000MPH | Jun 09, 2009 @ 11:14 PM | 5,405 Views
I was lucky enough to get 2 Rebel kits from the Predator. Here's the first one...
Edit: I finally got to DS her at Weldon and we clocked a 170mph on her maiden. She handles well at speed but kinda skids around on the frontside. Most likely due to the cut down elevons.
It's your standard 46oz combat wing build…
The Basics:
ribbon spar
strapping tape
monokote
winglets
balsa elevons

The extras:
additional fg arched rod spar (next time it will be carbon ribbon but I had to experiment)
carbon drag spar
Fixed TE, 4" inboard and out
balsa winglets
5 cell batt pack
4-40 linkages

Build thread here.

Update: New top speed of 180mph recorded at Weldon last Thursday.