Electric Conversion Specs
| Wing span | 42 Inches |
| Wing Area | 293 Square Inches |
| Weight | 28.75 Ounces |
| Wing Loading | 14 oz./sqft |
| Motor | 7.2v Speed 400 geared 2.33:1 |
| Battery | 10 cells Sanyo 600AE |
| Controls | rudder, elevator, ailerons, and motor speed
3 servos and ESC. |
| Manufacturer's Web page | Herr Cherokee at sigmfg.com |
First Flight!: May 12, 2001
| I was very pleased with the flight characteristics. It takes off from
pavement in as little as about 30 feet. Climbout was strong and handling
very easy and stable. I was confident enough halfway through the first
flight to try a loop which it performed easily. The next couple flights
I did some rolls, snap maneuvers, and inverted. It won't do an outside
loop from inverted but will climb. A little more down elevator might cure
that. Landing is very gentle and predictable. The tricycle gear and steerable
nosewheel makes taxiing back easy.
Even though it came out heavier than I predicted at 28.75oz it still has plenty of power for sporty performance. I did use the power system from my X250, a 10 cell 600AE pack, and an APC 8x6 E-prop. It actually flies a lot like the X250 only a little more stable when flying slowly. |
  
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The canopy serves an access hatch for battery swapping. It slides down then forward on two dowels to lock the front down. A 4-40 nylon screw then goes in at the rear to secure it. |
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The wing is held on by a 3/16" wooden dowel at the front and a 6-32
nylon screw at the rear into a steel blind-nut.
A single aileron servo operates both ailerons via flexible Sullivan #507 Golden Cable |
Ailerons were created from the trailing edge sheeted section of the wing.
They are top hinged.
The aileron linkage exits at 2/5 of the length of the aileron. The horn is positioned to neutralize the differential caused by the servo end of the linkage |
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The stock down-right thrust angle built into the firewall was retained when adding the light-ply motor mounts. This Speed 400 motor & gearbox just fits perfectly. |