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Delta & Flying Wings Discuss electric powered delta (flying wing) style aircraft here.

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Old 08-20-2011, 08:13 PM   #1
Otto Dieffenbach
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Default Sea Dart: Flys on land or water

For you delta lovers, this is a great handling plane that is easy to build and fun to fly. Watch the video of lake flying. I have wheels that attach to both models although many just fly the skid on the grass.

http://www.youtube.com/watch?v=rSAw0IVbc64
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Old 08-20-2011, 08:17 PM   #2
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Talking

Hi Otto
HooRah
Those are marvelousvery nice
They look like they fly very well
Thanks ever so much for the video
Take care
Yours Hank

"When wild the head-wind beat,Thy sovereign Will commanding, Bring them who dare to fly, To a safe landing."
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Old 08-20-2011, 09:55 PM   #3
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Very very nice! I may have to build one of these!

Id like to see how you did the bottom side floats/skis setup. can you post some shots of the under sides?

I'm also a big fan of large "all terrain" planes myself












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Old 08-21-2011, 02:02 AM   #4
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Cool stuff. When I set out to do a Sea Dart I originally was going to modify a Capircorn but discovered plans on parkjets.com. I built a little 7 oz Capricorn anyway. The plans can be sized to your desire. I built a 7 oz and the 3lb 10 oz Sea Dart and am impressed with both. How does the Polaris fly?
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Old 08-21-2011, 03:37 AM   #5
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that sea dart is a great flyer.. gets lots of attention as their aren't many ever seen.
the polaris is a great plane too...
http://www.wattflyer.com/photopost/s...php?photo=7497

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Old 08-21-2011, 04:46 AM   #6
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Here a couple of videos of the XXl Polaris. Nothing like as floaty as the big Capricorn.

Here is a video of its second flight.

YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.




Here is the first serious water flight of the big Polaris.

YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.

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Old 08-21-2011, 07:10 AM   #7
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Thanx for the videos. The Polaris and Dart seem to have similar handling characteristics. Are plans online?
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Old 08-21-2011, 08:02 AM   #8
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I did a build thread with lots of pics but no actual plans.

http://www.wattflyer.com/forums/showthread.php?t=41896

The over all dimensions are exactly 2 times the original Polaris drawing dimensions.

I did make some changes - mainly removable wings so I could transport it easier and some changes to how the elevator and rudder are set up. Mainly due to the increased size and larger aero-loads. The structural details are of course different again due to the size/weight. This one is made mostly from the 1/2" blue insulation foam with some depron hear and there.

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Old 08-21-2011, 08:16 PM   #9
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Thanx Larry. I wish you were closer to San Diego so we could play with the water toys together. Best.
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Old 08-22-2011, 07:03 AM   #10
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Where would I look for original Polaris drawings?
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Old 08-22-2011, 10:10 AM   #11
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Originally Posted by Otto Dieffenbach View Post
Thanx Larry. I wish you were closer to San Diego so we could play with the water toys together. Best.
otto, I wish we did live closer to each other! I just checked out some of your other videos and I think we must be long lost twins. You like odd ball planes and big foamies just as much as I do

I love the Snoopy dog house, the flying super heros, the Disney birds, the Eindecker and lets not forget the Flying Daughter!

Awesome stuff!

Originally Posted by Otto Dieffenbach View Post
Where would I look for original Polaris drawings?
I thought they were on the Park Jets web site but maybe not.

I think I linked to the thread on RC Groups where the Steve did the original build. I know the plans were on there.

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Old 08-22-2011, 10:12 AM   #12
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Here you go. This should be the latest plans for the original size.

http://www.parkjets.com/polaris/

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Old 08-22-2011, 11:14 AM   #13
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Like I need another plane..... but I feel a 7 oz Polaris coming on. Will keep you posted.
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Old 08-22-2011, 11:33 AM   #14
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Originally Posted by Otto Dieffenbach View Post
Like I need another plane..... but I feel a 7 oz Polaris coming on. Will keep you posted.
Very nice Build and video Otto Keep up the great work, Chellie

I may be getting Older, But I Refuse to grow Up I am Having to much Fun to Grow Up LOL
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Old 08-22-2011, 06:23 PM   #15
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Default Here are some water toy photos and my Duck

Here are some shots Larry requested of the skis on both Darts. I have also included my Capricorn and my Duck. The Duck was a challenge with the changing CG and required thrust angle changes between up and down... my fowl version of the Concord. I tape on the Capricorn skis for water play.


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Old 08-22-2011, 06:58 PM   #16
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Originally Posted by Otto Dieffenbach View Post
Here are some shots Larry requested of the skis on both Darts. I have also included my Capricorn and my Duck. The Duck was a challenge with the changing CG and required thrust angle changes between up and down... my fowl version of the Concord. I tape on the Capricorn skis for water play.
Hi Otto
Love the "Duck"
Any videos? would love to see her in action, the moving head is a brilliant idea
Top notch work
Take care dear friend
Yours Hank

"When wild the head-wind beat,Thy sovereign Will commanding, Bring them who dare to fly, To a safe landing."
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Old 08-23-2011, 06:39 AM   #17
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We had some Duck videos but I wasn't happy with them. Will shoot some new soon. I've flown it on water once and at several fun flys with runways. Will post soon.
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Old 08-25-2011, 05:04 AM   #18
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I Have a Sea Dart and a Polaris Both are great flyers. The Seadart is a little easier to build and seems to handle the wind better, the Polaris is quieter and taxies better with its larger rudder. I also built a hibred using design features of both.


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Old 08-25-2011, 07:05 AM   #19
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Do you have any pictures of the Hybrid??? Sounds interesting. What were the flight characteristics? My Darts love being inverted but the Polaris requires much more down and trim changes with speed.
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Old 08-25-2011, 04:05 PM   #20
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I have a video shot with a keychain cam. I'll try to post it here. The plane is basicly a sea dart wing,stab,and power system with a polaris fuselage.
can't post I'll be back
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Old 08-25-2011, 04:19 PM   #21
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Here is my Sea DART/Polaris hybrid.
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Old 08-25-2011, 05:01 PM   #22
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Originally Posted by augerN View Post
Here is my Sea DART/Polaris hybrid.
Hi
Welcome aboard
Im pleased to meet you
I like her Very nice
Thanks ever so much for the video
Take care
Yours Hank

"When wild the head-wind beat,Thy sovereign Will commanding, Bring them who dare to fly, To a safe landing."
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Old 08-25-2011, 05:46 PM   #23
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Impressive!!! Very high performer and solves the fuselage drag of the std Sea Dart. Is the wing in the same position on the Polaris fuse as the original wing? Thanx.
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Old 08-25-2011, 10:22 PM   #24
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Originally Posted by Otto Dieffenbach View Post
Impressive!!! Very high performer and solves the fuselage drag of the std Sea Dart. Is the wing in the same position on the Polaris fuse as the original wing? Thanx.
The fuse is a little more streamlined than the one on the Polaris but the bottom step on the fuse is at the COG like the Polaris. The nose is an inch shorter than the original SD and has a chisel point. Basicly I cut out a Sea Dart wing without the forward slots and built a Polaris type fuse on it with SD COG and lower fuse height the same as the SD ski. The Sea Dart is better in tight flying areas because it slows down really fast. You can come in high and hot cut the throttle nose it down and it comes in like it has flaps. sometimes drag is a good thing. The Seawitch glides further and I get a minute more flight time with the same batt.

Deltas Rule

Otto I saw your videos when you first posted on RCG, It looks like you moded the fuse. I really like the HUGE one.
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Old 08-26-2011, 06:40 AM   #25
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Thanx. The 7 oz was my first at 2s and I was impressed. I didn't like the plate drag of the design fuse and just built the diamond around the electonics after installation. I then built the big one and used formed foam that is used to ship wine bottles to create the fuse. I like the circular shape and it was easy to do. The performance of the big one was way beyond my expectations. Does all the acro. This inspired me to 3s the little one and now once off the water it is hard to tell which is which. The HUGE one is 3lb 10 oz all up weight and has 5 lbs of thrust.
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