RC plane outrunners (2212, 2216, 2826, 3508, 4110, 6374) and car inrunners (540 / 3650, 4274, 1/8 scale) — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/rc-plane-and-car-motors/ (CC BY 4.0) Basis: Maker spec pages (Castle Creations, Hobbywing, SunnySky, iFlight, Flipsky); T-Motor via retailer copies (marked) Catalog version: 2026-10-20 Sizes: see table below - Car 540-class (36 mm can): Ø36 × about 52–53 mm, mounts with 2 × M3 on 25 mm (Castle states it). Shafts differ by model: 3.175 mm (Hobbywing 3650) or 5 mm (Castle 1410, XeRun 3652) — check yours. - 1/8 scale: Hobbywing 4274 Ø42 × 74, 4268 Ø42 × 68, Ø5 shaft; Castle 1515 Ø40 (41.4 over fins) × 75.4 with 3 and 4 holes at 25 mm. - Plane outrunners ship with a cross ('X') mount; its hole spacing appears only in maker drawings, so it is not listed. SunnySky X2212 Ø27.5 × 30 with a 3.175 shaft and 5 mm prop adapter. - Robotics / e-skate 6374: Ø63.4 × 77 body, Ø8 shaft with a 3 × 1.5 key (Flipsky); mount screws M4, pattern not published. - The 3650 and 4274 envelopes use the 2 × M3 on 25 pattern Castle publishes for 36 mm cans; Hobbywing does not state its pattern, so check before drilling. motor type dia_mm length_mm shaft_mm mount weight_g Castle 1410 (540 class) car inrunner 36 52.7 5 × 21 2 × M3 on 25 237 Hobbywing QuicRun 3650 G2 car inrunner 36 52.8 3.175 None 190 Hobbywing XeRun 3652 SD G2 car inrunner 36 52.5 / 56 5 × 15 None 192 Hobbywing EZRun 4274 1/8 car 42 74 5 None 418 Hobbywing EZRun 4268 1/8 car 42 68 5 None 343 Castle 1515 1/8 car 40 (41.4 fins) 75.4 5 × 20 3 and 4 holes at 25 None SunnySky X2212 plane outrunner 27.5 30 3.175 cross mount 57 SunnySky X2216 V3 plane outrunner 27.7 34 None cross mount 68 T-Motor AT2826 long shaft plane outrunner 35.2 69.5 5 None 175 T-Motor MN3508 (retailer copy) multirotor 41.8 26.5 4 None 82 SunnySky X4110S outrunner 48.2 30.5 4 None 149 Flipsky 6374 robotics / e-skate 63.4 77 (102 overall) 8 keyed M4 860 Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Castle Creations (spec via dealer): 1410 3800 kV — web — Publisher's page; dimensions are facts — https://es.wrekd.com/products/castle-creations-060-0066-00-motor-1410-3800kv-4-pole-sensored-brushless-motor - Hobbywing: QuicRun 3650 SD G2 — web — Publisher's page; dimensions are facts — https://www.hobbywing.com/en/products/quicrun-3650-sd-g259 - Hobbywing: EZRun 4274 / 4268 — web — Publisher's page; dimensions are facts — https://www.hobbywing.com/en/products/ezrun-4274--4268253 - Hobbywing Direct: XeRun 3652 SD G2 — web — Publisher's page; dimensions are facts — https://hobbywingdirect.com/products/xerun-3652sd-motor - RC Visions (Castle spec): Castle 1515 — web — Publisher's page; dimensions are facts — https://rcvisions.com/products/castle-creations-1515-sensored-4-pole-brushless-motor-2200kv - FlyingTech (SunnySky spec): SunnySky X2212 — web — Publisher's page; dimensions are facts — https://flyingtech.co.uk/product/sunnysky-x2212-13-980kv-ii-2-4s-multirotor-brushless-motor/ - BuddyRC (SunnySky spec): SunnySky X2216 V3 — web — Publisher's page; dimensions are facts — https://buddyrc.com/products/sunnysky-x2216 - LIGPOWER (T-Motor spec): AT2826 long shaft — web — Publisher's page; dimensions are facts — https://ligpower.com/product/at2826-long-shaft-fixed-wing-motor.html - GetFPV (T-Motor spec copy): MN3508 — web — Publisher's page; dimensions are facts — https://www.getfpv.com/tiger-motor-mn3508-16-700kv.html - ReadyMadeRC (SunnySky spec): X4110S — web — Publisher's page; dimensions are facts — https://www.readymaderc.com/products/details/86945-sunnysky-xs-high-power-x4110s-brushless-motor-400kv Free files (CC BY 4.0, Xem Studio; STEP + STL, 5 parts): https://xemstudio.com/files/hardware/rc-plane-and-car-motors/index.json API: https://xemstudio.com/api/geometry?object=rc-plane-and-car-motors