Joel "MetroGTI" Dirnberger Designs

BluFO

Joel is MetroGTI on RCGroups

Joel was inspired to come up with his design after he took some liberties with the original Blue Foam Wonder which itself has been around for sometime. He both stylized it even more and developed a better flying aircraft to boot. The name reflects the fact that the originals were built out of blue fanfold foam. Several additional variations have evolved including an EDF version and the float plane kitted below. The current white Depron kits lend themselves to nightflying versions as shown in the RCG thread. We have now also added an EPP version which is very durable for full contact combat events.

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A Video review by Jim T. Graham from RCGroups.
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The BluFO discussion and build log can be found at:: http://www.rcgroups.com/forums/showthread.php?t=1655800; The BluFO YouTube video playlist.

Everything you need to build the EPP BluFO in one place.

The unpainted EPP or Depron BluFO kit for $29.95

Completer for the BluFO kit for $34.95: Emax CF-2812 (1600 Kv); 18 amp ESC; 2 x 9gram Servos

GWS 8x4 prop used on our EPP BluFO.
$1.50 each

1000 to 1300 mAh 3S lipo
Suggested prop:
    Depron - APC 7x5E
    EPP - GWS 8x4
Suggested starting CG should be 12.20" back from the nose. (roughly where the hatch magnet is)
Suggested starting throws:
    Aileron 0.4" up & down (0.8" total) 30% expo
    Elevator 0.55" up & down (1.1" total) 20% expo

H-Blu-O

I was brought to the H-Blu-O as a potential kit when a friend with a waterfront cottage wanted me to come over for some float flying. I began looking around and really liked the looks of Joel's plane and the fact that it used the power system I was already using in the Mini Gremlins.

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The H-Blu-O discussion and build log can be found at:: http://www.rcgroups.com/forums/showthread.php?t=1919238; The H-Blu-O YouTube video playlist.

The unpainted Depron H-Blu-O kit for $34.95

Completer for the H-Blu-O kit for $39.95: Emax CF-2812 (1600 Kv); 18 amp ESC; 3 x 9gram Servos

1000 to 1300 mAh 3S lipo
Suggested prop:
    Depron - APC 7x5E
Suggested starting CG should be 12.20" back from the nose. (roughly where the hatch magnet is)
Suggested starting throws:
    Aileron 0.4" up & down (0.8" total) 30% expo
    Elevator 0.55" up & down (1.1" total) 20% expo

TwoFO

Joel has tinkered with the BluFO platform yet again by doing up a version with twin motors. In doing so he has addressed several challenges and gone with a more traditional tractor design. Because he kept the main footprint the same and just extended the dorsal fins forward for motor pods, a higher KV motor was required to turn smaller diameter props for clearance. Another added benefit to the two motors is the ability to use differential thrust to give good yaw control.

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The TwoFO YouTube video playlist.

Geoff Barber did a review of the TwoFO on RC Universe
TwoFO Review

Click to read the review.

The without graphics or with graphics pre-applied TwoFO kit.

Completer for the TwoFO kit for $54.95: Emax CF 2805 Brushless Outrunner 2840Kv (Qty 2); 18-20amp ESC (Qty 2); 9gram Servos (Qty 2)

DAL 6x4 props (CW and CCW pairs)
$2.00 per pair.

1000 to 1600 mAh 2S lipo
Suggested prop (Qty 2):
    DAL 6x4 (CW and CCW)
Suggested starting CG should be 12.20" back from the nose.
Suggested starting throws:
    Aileron 0.4" up & down (0.8" total) 30% expo
    Elevator 0.55" up & down (1.1" total) 20% expo

Vinyl Graphics Color Palette
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031
Red

034
Orange

025
Brimstone Yellow

086
Brilliant Blue

404
Purple

070
Black

HTwoO

Expanding on Joel's TwoFO build I felt that it would make a really interesting float plane and so I designed a set of floats for it. I like the original TwoFO concept and so I decided to make the floats removable so you could fly it in either configuration. Another benefit to the two motors is the ability to use differential thrust to give good yaw control.

Click image for larger version.

The HTwoO YouTube video playlist.

The without graphics or with graphics pre-applied HTwoO kit.

Completer for the HTwoO kit for $54.95: Emax CF 2805 Brushless Outrunner 2840Kv (Qty 2); 18-20amp ESC (Qty 2); 9gram Servos (Qty 2)