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Archive for February, 2016
Posted by Blaze0021 | Feb 12, 2016 @ 05:40 PM | 6,004 Views
This is an Aerobatic Speed Performance Flight of my Eflite UMX Pitts S-1S EDF Special "Morgan" over David Lorenz Regional Park.

(Bonus: "Alien" Tractor Beam Fail at 2:17s and flight footage of additional Landing at the end of the video with candid commentary)

Eflite UMX Pitts S-1S EDF Special "Morgan" GWS 5043 Performance Flight (6 min 51 sec)

For more information on the initial build process with photos, please click the link: https://www.rcgroups.com/forums/show....php?t=2601171

With the suggestion of Joel (aka Turboparker of RCGroups.com), I swapped out the stock 5.75 x 2.5 "Stump Puller" Prop and opted for the GWS 5043 "Speed" Prop to maximize the output of the 3000Kv Brushless Motor and release any air restrictions on the Custom UMX Habu EDF Booster Unit.

Upon take-off my initial impression was, "This Pitts is fast.. Very fast." Not to mention, highly maneuverable. Even with the high drag fuselage of the UMX Pitts, this ultra micro biplane is now moving at a very impressive speed. The UMX Habu EDF Booster Unit comes alive with the GWS 5043 Prop now mated to the 3000Kv Brushless Outrunner. It almost feels as if the 3000 Kv Motor / GWS 5043 Prop combination is literally force-feeding the fast moving air right into the UMX Habu EDF Booster Unit and amplifying the speed. With that being said, all aerobatics have been enhanced as well. Unlimited Vertical has been achieved. Rolls are very...Continue Reading
Posted by Blaze0021 | Feb 10, 2016 @ 03:27 AM | 6,160 Views
This is the Maiden Flight of my Eflite UMX Pitts S-1S EDF "Morgan" over the icy snow-covered fields of David Lorenz Regional Park.

Eflite UMX Pitts S-1S EDF - Boosted Biplane "Morgan" Maiden Flight (4 min 18 sec)

Field conditions at David Lorenz Park were less than favorable as the location was still encased in layer of snow and ice. There was however a small strip of exposed AstroTurf that was just enough for me to take off and land from. Not knowing how the UMX Pitts was going to respond with the UMX Habu EDF Booster Unit installed, I kept this flight slightly conservative. But it wasn't long until I realized that the UMX Pitts S-1S EDF Special "Morgan" was ready and eager to please.

This variant of the UMX Pitts is considerably faster and yet remains solid in the air with connected feel and maneuverability, while displaying no bad tendencies. I also didn't encounter any weird trim issues, nor did the UMX Pitts react adversely to the UMX Habu EDF Booster when under throttle. Speaking of throttle... with this setup its really hard to resist not going full throttle and watching this plane banshee through the sky. Sport Aerobatics are executed with predictable ease. Vertical is near to unlimited. Its a good thing that its powered by dual Hyperion 2S 330mAh Babbelbatts that supply excellent punch and quality power, in a small size and lighter weight. The two Babbelbatts when placed against the Brushless Outrunner Firewall...Continue Reading
Posted by Blaze0021 | Feb 09, 2016 @ 04:34 AM | 4,815 Views
This is a preview of my second Snow Day Build, the UMX Pitts S-1S EDF Special "Morgan" and is my attempt at creating an EDF - boosted ultra micro biplane.

Eflite UMX Pitts S-1S EDF Special "Morgan" - EDF-Boosted Biplane Preview (6 min 52 sec)

The UMX Pitts S-1S EDF Special is powered by the stock Eflite 3000 Kv Brushless Outrunner with a 5.75 x 2.5 "Stump Puller" Prop, as well as an 11750Kv Brushless UMX Habu EDF mounted to the underbelly.

The inspiration to create this dual power-sourced 2S Brushless Outrunner / EDF Hybrid comes from the unique Screamin' Sasquatch Jet-Boosted Waco biplane:
2014 R.I. Airshow @Quonset - Screamin' Sasquatch (Jet Waco Biplane) (14 min 17 sec)
...Continue Reading