Flight configuration

185.8 in span

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Fan-tilt branch · two-seat racer

X1 SkyRacer

Four 44 in lift ducts with coaxial counter-rotating fans: the rear pair set 10° forward, the front pair square. Two pushers, lowered 4 in and tilted 10° exhaust-down. A 25° cockpit, and the 4.5 L OPFPLG and LTO accumulator sitting 5.1 in lower. Folds from a 185.8 in span to 89.4 × 52.9 in for the hauler.

Fold

Flight configuration

Fold0%

Fans

Speed1.0×

Craft systems

Rule-book check

Span, flightMeasured on the model185.8 / ≤ 186 inOK

LengthMeasured on the model215.8 / ≤ 216 inOK

Height, flight52.7 inOK

Folded width × heightHauler box 90 × 53 in89.4 × 52.9 inOK

Lift duct inner diameter§3.6, measured at the bore44 in / ≤ 44OK

Lift fans · forward fans8 · 2OK

Front-seat ballast§3.3500 lbOK

Fixed angles

Rear lift ducts: +10°, thrust forward
Front lift ducts: 0°, square
Front wing · rear stub: +5° · +9° incidence
Rear outer panel twist: 0° to −10°
Pushers: 10° exhaust-down · 0.39 m deep

Trim, fully loaded 3,500 lb

Power at 150 mph: 1,030 hp
Top speed, 1,500 hp: 177 mph
Top speed, 1,913 hp burst: 192 mph
Hover attitude: 6–8° nose-up

Performance model

Power: 1,500 hp cont. / 2,000 burst
Disc loading at 3,000 lb: ~71 lb/ft²
Propane load: 200 lb
Race endurance, 60% BTE: ~40 min
Pure-electric endurance: ~4 min

The models are built into this file; it needs an internet connection only to load the 3D engine. Model: the SkyRacer Fan-Tilt Fold design (fan-tilt branch, 27 Oct 2026), with the 4.5 L OPFPLG, LTO pack, pusher heat exchangers and short tailpipe from the 28 Oct engine model. The wings fold on hinges set on the skins.