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

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Old 04-05-2007, 10:35 PM   #1
Ben D wing
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Default Mini Blitz

Hi there, I thought you might like to see this little 20" span delta I just built. The 'Mini Blitz' was designed by Dave Ridgway and the plan published free with RCM&E back in Nov. '95. The design was originaly intended for an .049 motor, but with the availability of Lipos and brushless motors these days, I just had to try the obvious hop-up! The plane was built as plan with minor adjustments for the motor mount and battery access. The hardware is as follows:
Motor; Ultrafly C13/28H outrunner (2750Kv)
ESC; E-Pro 25
Prop; APC 5x5"
Battery; ThunderPower 1320mAh 3s Lipo
RX; HiTec 4 channel micro
Servos; E-Flite 7.5g
Covering; Solarfilm/Solartrim (Red squares cut and stuck individually!)
AUW; 10ozs. (plan quotes 13ozs for the IC version)

The Ultrafly motor is giving just over 200 Watts of power so with this sort of power to weight ratio I expect it to easily out perform my MPX FunJet!
As yet, due to commitments, I have not been able to fly this little beast, but I hope to soon after the Easter hols. I will report later!


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The original Dead-Stick Dummy!
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Old 05-10-2007, 12:58 PM   #2
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Default

Ok, I have finally managed to fly the Mini Blitz. The first thing I noticed was that I had dialled in too much reflex (maybe) and that it had a strong pull to the left (right thrust needed?) Once I had trimmed it to fly straight and level I tried full throttle in the vertical plane, wow, this little delta is much faster than my FunJet. I think 'AWESOME' is the technical term you Americans use
Anyway, further flying proved that the magnetic catches were well up to the task of holding it all together and also, that the loops weren't true and the rolls very barrely. As I found out later the amount of 'right' aileron trimmed in was resposible for these faults. The landing was, as ever with a delta, a total none event and so slow and controlable. Motor and battery were hardly luke warm afterwards proving that I had a nicely balanced set up.
All in all, a great success in converting from glow to sparks, but I will definately have to factor in some right thrust (and maybe a touch of down thrust), and I think that a 200 Watt motor is a bit OTT for this plane, 100 Watts would be nearer the mark I think!

The original Dead-Stick Dummy!
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Old 12-25-2016, 06:01 AM   #3
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Just dragged out my RCM&E Nov.95' issue and the memories of all the fun I had with these lil' wonders came flooding back. I built a few of each size and they were a blast to fly, everyone had to take a turn on the box.

So, thought ELECTRONS, did a google and ended up here.

Got all the electric goodies and I'm off to the shop. Need some new toys to play with at our 43rd Annual New Years Day 'Grub n' Grog' fly-in. What's amazing is the recommended flying weight of the 20 incher is 13 ounces. I'm going to shoot for half that in EPP. That should blitz up the Blitz.

Stay tuned..................
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