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Old Nov 22, 2014, 07:14 AM
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Ocala Fl
Joined Jul 2006
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Originally Posted by Bart83 View Post
Hi all ,

Uploaded a video of my Empire flyingboat straight from the Mobius. The advantage is that if you use the Google chrome browser you can enjoy the video in super smooth 720p/60fps.

Cheers,

Bart

http://youtu.be/qA9-T_cbUWI
Great video and some excellent flying!!!
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Old Nov 22, 2014, 09:53 AM
GLM
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Quote:
Originally Posted by Bart83 View Post
Hi all ,

Uploaded a video of my Empire flyingboat straight from the Mobius. The advantage is that if you use the Google chrome browser you can enjoy the video in super smooth 720p/60fps.

Cheers,

Bart

http://youtu.be/qA9-T_cbUWI

Beautiful Bart!!!

Upwind - downwind - she lands and takes off just right. Long flight times too.
I think I need to build new wing and cover it to shed some weight. I can't get over how well yours performs. And Frank's performance at the float fly just re-enforces that thought.

Just love watching you do that - mesmerizing. And what great weather for a change.

Cheers!

Gary
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Old Nov 22, 2014, 01:42 PM
71% of the world is runway . .
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Nederland, ZH, Oostvoorne
Joined Jun 2009
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Hi Gary ,

Thanks for the kind words ! This video was made on the 18th of September. It was the 2nd flight on that battery load.

Well Gary , if you go for covering why not try to build the lightest empire ever. Just keep focused to the Goose for now

-Some idea's

- Hand pick the all the balsa so you have the lightest sheets

- Open frame fuselage like my prototype

- Stickers for windows

- Lichtweight covering ( chrome look )

- real small bell type outrunner for slowflyers

- 10-15amp esc's in the nacelles

- 16awg wire throught the wing ( only a single set , power takeoff at nacelle)

- GWS slow fly props like mine

- fixed tail , use pull-pull wire's instead of control cable's

- only use 3x05mm cf strips on one side of the main spar

- Very light layer off glass only on the bottom forward of the step

- Use micro servo's for all surfaces

- rudder and elevator servo''s all up in the nose

- Be sparse with expoxy

- No paint except for the registration

- No lighting system

I believe that if you would build one this way you could get the weight down to about 2200-2300 gram (78ounces) the battery could be degraded to a 3s3300mah.

Empire flyingboat , low and slow (10 min 51 sec)


Cheers,

Bart
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Old Nov 22, 2014, 08:46 PM
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Australia, WA, Madeley
Joined Jul 2011
686 Posts
Just a quick pic of the Sikorsky from yesterday's floatfly.
Unfortunately this will be one of the last for the season as our lake is drying up into a hard pan. Nevertheless, it was a great day to finish on. No wind, cool and crisp. I'm getting more and more confident with the sikorsky and she loves those kind of conditions. As usual, thanks Waz for being photographer.


And one for Bart.... I think I'm slowly getting my head around Rhino and am into my project for next year's float season. Anyone care to guess what it is?
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Old Nov 23, 2014, 12:36 AM
GLM
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Originally Posted by Wormboy View Post
Just a quick pic of the Sikorsky from yesterday's floatfly.
Unfortunately this will be one of the last for the season as our lake is drying up into a hard pan. Nevertheless, it was a great day to finish on. No wind, cool and crisp. I'm getting more and more confident with the sikorsky and she loves those kind of conditions. As usual, thanks Waz for being photographer.


And one for Bart.... I think I'm slowly getting my head around Rhino and am into my project for next year's float season. Anyone care to guess what it is?
My guess is a Macchi m33. or some sort of Curtis. Not a Macchi ... hmmmm.



Cheers!

Gary
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Old Nov 23, 2014, 01:09 AM
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My on the cheap super cub that i just finished...


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Old Nov 23, 2014, 01:33 AM
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Australia, WA, Madeley
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Originally Posted by GLM View Post
My guess is a Macchi m33. or some sort of Curtis. Not a Macchi ... hmmmm.



Cheers!

Gary
Keep guessing. Right era as the Macchi, just 5 years later in fact.
A clue may be that it is technically a sesquiplane.
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Old Nov 23, 2014, 04:28 AM
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United Kingdom, Scotland, Argyll and Bute
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Originally Posted by m4rK View Post
My on the cheap super cub that i just finished...


Very tidy job , a lot of effort's gone into that
Now--don't scratch it
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Old Nov 23, 2014, 05:19 AM
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Netherlands
Joined Nov 2001
966 Posts
Wormboy,

Great choice the seaplane is a Shavrov Sh-2

Ton
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Old Nov 23, 2014, 06:05 AM
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Dresden, Germany, europe, planet earth
Joined Aug 2003
800 Posts
hi there,

some pictures from my actual project. Who knows what THIS is?
1,3m span, glassfibre-Sandwich-fuselage, wooden floats, 3kg flying weight, 115km/h.

Regards,
Kuni
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Old Nov 23, 2014, 06:44 AM
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Australia, WA, Madeley
Joined Jul 2011
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Originally Posted by Ton v Munsteren View Post
Wormboy,

Great choice the seaplane is a Shavrov Sh-2

Ton
Thanks Ton,

Good pick, it is indeed the Shavrov Sh2.

I had 4 criteria:
- looks cool
- seaplane
- majority of the design is sheetable rather than needing strip planking
- not something that is readily available as an ARF or Kit.

My other contender was another Russian job, the MBR-2

Kuni, no clue what yours is but it's a beauty. (and heavy at 3kg!)
Looks like an early schneider trophy contender.
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Old Nov 23, 2014, 06:55 AM
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Dresden, Germany, europe, planet earth
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800 Posts
Yes, it is several hundred gramm overweight, due to I used the very first fuselage out of the mould. I experimented later with different glass tissue and saved around 50-70g there. As most of the fuse is BEHIND CG, you can imagine that I fly with some serious lead barrels within. But: it flies nicely! More like a sport trainer, and can be flown in windy conditions too.
Currently I am making a new fuselage, have a lighter (rib rather than styro/Abachi) wing already built and hope to come out at around 2,5-2,6kg...

Early Schneider contender is good! Nearly done, it was a 1921 french project. The landplane version held the world speed record then...

Regards,
Kuni
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Old Nov 23, 2014, 10:09 AM
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PHX
Joined Jun 2008
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Quote:
Originally Posted by Kuni View Post
hi there,

some pictures from my actual project. Who knows what THIS is?
1,3m span, glassfibre-Sandwich-fuselage, wooden floats, 3kg flying weight, 115km/h.

Regards,
Kuni
Very nice!
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Old Nov 23, 2014, 03:27 PM
Parkcityflier
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Park City, UT, USA
Joined Aug 2001
1,695 Posts
Bart,
Great ideas for Gary to make the lightest Empire yet. I thought along those lines but got seduced by the look of the windows and lights so mine will definitely not be the lightest. However, I am keeping total weight in mind by using almost exclusively CA glues, minimum wood, the lightest servos, and whatever else that I can think of so it will be interesting to see how it comes out.

Jim
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