{ "version": "2026-10-14.1", "date": "14 October 2026", "fxUsdPerEur": 1.1188, "rotors": [ { "name": "MN4004 KV300 + P15x5", "motor_g": 53, "prop_g": 21, "diameter_mm": 381, "test_voltage": 24, "motor_source": "https://store.tmotor.com/product/mn4004-kv300-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-15x5-prop.html", "points_g_w": [ [ 474, 34 ], [ 561, 46 ], [ 646, 55 ], [ 727, 67 ], [ 918, 96 ], [ 1110, 134 ], [ 1311, 180 ] ], "hardware_g": 148, "id": "rotor-0", "costEur": 180.37182695745443, "motorCostEur": 130.40757954951735, "propCostEur": 49.96424740793707, "maxBusV": 25.2, "testVoltage": 24.0, "kv": 300, "firstRpm": 2860, "rpmMeasured": true, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN4004 KV300 + P16x5.4", "motor_g": 53, "prop_g": 25, "diameter_mm": 406.4, "test_voltage": 24, "motor_source": "https://store.tmotor.com/product/mn4004-kv300-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-16x5_4-prop.html", "points_g_w": [ [ 534, 43 ], [ 636, 55 ], [ 742, 70 ], [ 829, 84 ], [ 1028, 122 ], [ 1203, 170 ], [ 1295, 214 ] ], "hardware_g": 156, "id": "rotor-1", "costEur": 186.62853056846623, "motorCostEur": 130.40757954951735, "propCostEur": 56.220951018948874, "maxBusV": 25.2, "testVoltage": 24.0, "kv": 300, "firstRpm": 2847, "rpmMeasured": false, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN4006 EVO KV380 + P15x5", "motor_g": 73, "prop_g": 21, "diameter_mm": 381, "test_voltage": 24, "motor_source": "https://store.tmotor.com/product/mn4006-EVO-kv380-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-15x5-prop.html", "points_g_w": [ [ 465, 38 ], [ 586, 52 ], [ 717, 67 ], [ 858, 85 ], [ 1009, 107 ], [ 1157, 129 ], [ 1304, 153 ], [ 1464, 181 ], [ 1630, 212 ], [ 1968, 280 ], [ 2273, 350 ] ], "hardware_g": 188, "id": "rotor-2", "costEur": 192.88523417947803, "motorCostEur": 142.92098677154095, "propCostEur": 49.96424740793707, "maxBusV": 25.2, "testVoltage": 24.0, "kv": 380, "firstRpm": 2805, "rpmMeasured": false, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN5006 KV300 + P17x5.8", "motor_g": 108, "prop_g": 26.5, "diameter_mm": 431.8, "test_voltage": 23.7, "motor_source": "https://store.tmotor.com/product/mn5006-kv300-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-17x5_8-prop.html", "points_g_w": [ [ 501, 39 ], [ 640, 52 ], [ 784, 68 ], [ 942, 88 ], [ 1119, 110 ], [ 1289, 134 ], [ 1454, 159 ], [ 1631, 188 ], [ 1798, 217 ], [ 2186, 287 ], [ 2538, 358 ] ], "hardware_g": 269.0, "id": "rotor-3", "costEur": 216.19592420450482, "motorCostEur": 151.9306399713979, "propCostEur": 64.26528423310691, "maxBusV": 25.2, "testVoltage": 23.7, "kv": 300, "firstRpm": 2661, "rpmMeasured": false, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN5006 KV300 + P18x6.1", "motor_g": 108, "prop_g": 31.5, "diameter_mm": 457.2, "test_voltage": 23.7, "motor_source": "https://store.tmotor.com/product/mn5006-kv300-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-18x6_1-prop.html", "points_g_w": [ [ 629, 48 ], [ 792, 66 ], [ 968, 87 ], [ 1162, 112 ], [ 1366, 139 ], [ 1572, 170 ], [ 1777, 204 ], [ 1980, 239 ], [ 2183, 277 ], [ 2618, 364 ], [ 2996, 453 ] ], "hardware_g": 279.0, "id": "rotor-4", "costEur": 226.02788702180908, "motorCostEur": 151.9306399713979, "propCostEur": 74.09724705041116, "maxBusV": 25.2, "testVoltage": 23.7, "kv": 300, "firstRpm": 2623, "rpmMeasured": false, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN5008 KV170 + NS26x8.5", "motor_g": 128, "prop_g": 48, "diameter_mm": 660.9, "test_voltage": "24.1-24.9", "motor_source": "https://store.tmotor.com/product/mn5008-kv170-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/ns26x8_5-prop-uav-carbon-fiber.html", "points_g_w": [ [ 0.596297946686269, 0.6930137777918458 ], [ 107.53253246090154, 7.297533018835845 ], [ 185.90924744649803, 9.724115021057884 ], [ 292.11271616398056, 15.729816241166231 ], [ 399.1428046032335, 22.216431982780676 ], [ 521.2424181311151, 29.335145502335283 ], [ 662.2634090569258, 39.56326891084774 ], [ 794.320471288228, 51.85651471361526 ], [ 953.8775127886894, 63.51257259888344 ], [ 1088.3242992023781, 76.30823420219414 ], [ 1264.6752264405277, 96.01898130278097 ], [ 1452.052003568191, 118.6130118868958 ], [ 1644.479135907573, 141.38875403137192 ], [ 1800.538514947918, 164.75005028768774 ], [ 1984.3714082099393, 191.1153805047538 ], [ 2156.6445667811126, 222.96506347432728 ], [ 2371.443877693096, 251.38238608282003 ], [ 2526.0030970882003, 284.32787490498805 ], [ 2695.6305038255673, 321.8035971240549 ], [ 2896.4965088473637, 359.75707012092016 ], [ 3141.357905733966, 401.36814986272566 ] ], "performance_source": "https://database.tytorobotics.com/tests/6yxj/t-motor-antigravity-5008-170-with-t-motor-ns26x85", "caveat": "Independent short test; custom prop adapter required, adapter mass unreported and omitted.", "hardware_g": 352, "id": "rotor-5", "costEur": 402.1898462638541, "motorCostEur": 160.86878798712905, "propCostEur": 241.32105827672507, "maxBusV": 50.4, "testVoltage": 24.8, "kv": 170, "firstRpm": 525, "rpmMeasured": false, "notes": "Independent short static test at about 25 V. Custom prop adapter needed; mass and cost unreported. No continuous-duty/coaxial validation." }, { "name": "MN6007II KV160 + P21x6.3", "motor_g": 159, "prop_g": 58, "diameter_mm": 533.4, "test_voltage": 47.72, "motor_source": "https://store.tmotor.com/product/mn6007-v2-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-21x6_3-prop.html", "points_g_w": [ [ 1444, 126 ], [ 1563, 141 ], [ 1760, 161 ], [ 1875, 180 ], [ 2006, 199 ], [ 2125, 215 ], [ 2249, 233 ], [ 2355, 251 ], [ 2488, 270 ], [ 2624, 293 ], [ 2762, 314 ], [ 2892, 338 ], [ 3030, 362 ], [ 3160, 390 ], [ 3243, 402 ], [ 3388, 426 ], [ 4118, 569 ], [ 4889, 738 ], [ 5838, 978 ] ], "hardware_g": 434, "id": "rotor-6", "costEur": 344.0114408294601, "motorCostEur": 232.3739721129782, "propCostEur": 111.63746871648195, "maxBusV": 50.4, "testVoltage": 47.72, "kv": 160, "firstRpm": 2930, "rpmMeasured": true, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN7005 KV115 + P24x7.2", "motor_g": 188, "prop_g": 56, "diameter_mm": 602.4, "test_voltage": 48, "motor_source": "https://store.tmotor.com/product/mn7005-kv115-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/polish-carbon-fiber-24x7_2-10mm-hole-prop.html", "points_g_w": [ [ 1322, 97 ], [ 1408, 105 ], [ 1513, 117 ], [ 1606, 126 ], [ 1707, 138 ], [ 1807, 150 ], [ 1947, 168 ], [ 2068, 183 ], [ 2164, 194 ], [ 2280, 210 ], [ 2398, 226 ], [ 2507, 243 ], [ 2627, 260 ] ], "hardware_g": 488, "id": "rotor-7", "costEur": 551.3764747944226, "motorCostEur": 393.26063639613875, "propCostEur": 158.11583839828387, "maxBusV": 50.4, "testVoltage": 48.0, "kv": 115, "firstRpm": 2204, "rpmMeasured": false, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "U8 Lite KV150 + G28x9.2", "motor_g": 239, "prop_g": 85, "diameter_mm": 711.2, "test_voltage": 24, "motor_source": "https://store.tmotor.com/product/u8-lite-kv150-u-efficiency.html", "prop_source": "https://store.tmotor.com/product/g28x9_2-prop-2pcs-1pair-glossy-carbon-fiber.html", "points_g_w": [ [ 1176, 70 ], [ 1237, 74 ], [ 1353, 84 ], [ 1465, 94 ], [ 1561, 103 ], [ 1648, 110 ], [ 1785, 125 ], [ 1905, 134 ], [ 2006, 146 ], [ 2153, 161 ], [ 2227, 168 ], [ 2334, 180 ], [ 2450, 194 ], [ 2549, 206 ], [ 2726, 230 ], [ 2877, 247 ], [ 3149, 283 ], [ 3479, 326 ], [ 4058, 415 ], [ 4879, 552 ] ], "hardware_g": 648, "id": "rotor-8", "costEur": 814.1580264569182, "motorCostEur": 536.271004647837, "propCostEur": 277.88702180908115, "maxBusV": 50.4, "testVoltage": 24.0, "kv": 150, "firstRpm": 1383, "rpmMeasured": true, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "U8 Lite KV85 + G28x9.2", "motor_g": 243, "prop_g": 85, "diameter_mm": 711.2, "test_voltage": 48, "motor_source": "https://store.tmotor.com/product/u8-lite-kv85-u-efficiency.html", "prop_source": "https://store.tmotor.com/product/g28x9_2-prop-2pcs-1pair-glossy-carbon-fiber.html", "points_g_w": [ [ 1465, 86 ], [ 1572, 96 ], [ 1717, 110 ], [ 1852, 125 ], [ 1997, 139 ], [ 2140, 154 ], [ 2256, 163 ], [ 2378, 178 ], [ 2528, 197 ], [ 2757, 221 ], [ 2957, 245 ], [ 3027, 254 ], [ 3171, 274 ], [ 3307, 298 ], [ 3448, 317 ], [ 3662, 341 ], [ 4043, 394 ], [ 4468, 456 ], [ 5248, 586 ], [ 6352, 792 ] ], "hardware_g": 656, "id": "rotor-9", "costEur": 814.1580264569182, "motorCostEur": 536.271004647837, "propCostEur": 277.88702180908115, "maxBusV": 50.4, "testVoltage": 48.0, "kv": 85, "firstRpm": 1584, "rpmMeasured": true, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "MN1005 V2 KV90 + G30x10.5", "motor_g": 282, "prop_g": 97, "diameter_mm": 762, "test_voltage": 47.94, "motor_source": "https://store.tmotor.com/product/mn1005-v2-motor-antigravity-type.html", "prop_source": "https://store.tmotor.com/product/g30x10_5-prop-2pcs-1pair-glossy-carbon-fiber.html", "points_g_w": [ [ 2096, 158 ], [ 2318, 178 ], [ 2503, 196 ], [ 2678, 218 ], [ 2886, 239 ], [ 3050, 262 ], [ 3247, 284 ], [ 3455, 307 ], [ 3733, 350 ], [ 3901, 375 ], [ 4061, 398 ], [ 4292, 429 ], [ 4506, 461 ], [ 4710, 491 ], [ 4918, 526 ], [ 5106, 560 ], [ 6143, 738 ], [ 7130, 936 ], [ 8459, 1235 ] ], "hardware_g": 758, "id": "rotor-10", "costEur": 746.9610296746514, "motorCostEur": 446.7286378262424, "propCostEur": 300.232391848409, "maxBusV": 50.4, "testVoltage": 47.94, "kv": 90, "firstRpm": 1599, "rpmMeasured": true, "notes": "Published single-rotor static tests; coaxial performance is estimated." }, { "name": "U10II KV100 + G30x10.5", "motor_g": 415, "prop_g": 97, "diameter_mm": 762, "test_voltage": 32, "motor_source": "https://store.tmotor.com/product/u10-2-u-efficiency.html", "prop_source": "https://store.tmotor.com/product/g30x10_5-prop-2pcs-1pair-glossy-carbon-fiber.html", "points_g_w": [ [ 1405, 85 ], [ 1487, 91 ], [ 1597, 100 ], [ 1714, 109 ], [ 1817, 118 ], [ 1934, 128 ], [ 2048, 138 ], [ 2180, 150 ], [ 2307, 163 ], [ 2431, 176 ], [ 2586, 190 ], [ 2749, 205 ], [ 2879, 219 ], [ 3032, 236 ], [ 3161, 252 ], [ 3297, 266 ], [ 3655, 309 ], [ 4144, 367 ], [ 4899, 465 ], [ 5717, 593 ] ], "hardware_g": 1024, "id": "rotor-11", "costEur": 907.847693957812, "motorCostEur": 607.6153021094029, "propCostEur": 300.232391848409, "maxBusV": 50.4, "testVoltage": 32.0, "kv": 100, "firstRpm": 980, "rpmMeasured": true, "notes": "Published single-rotor static tests; coaxial performance is estimated." } ], "cells": [ { "id": "jgne", "name": "JGNE JGPFR26650", "chemistry": "LFP", "volts": 3.2, "ah": 3, "grams": 83.5, "maxV": 3.65, "minV": 2.5, "dischargeA": 30, "chargeA": 3, "tiers": [ [ 1, 3 ] ], "status": "quote", "moq": 100, "cycles": 3000, "lifeLimitA": 9, "spec": "https://pdt.static.globalsources.com/IMAGES/PDT/SPEC/811/K1181879811.pdf", "shop": "https://sdgoldencell.en.made-in-china.com/product/XwsAeYiJYPTf/China-Jgne-Factory-Price-10c-High-Rate-26650-Power-LiFePO4-Cells-Rechargeable-Ebike-Battery-3000mAh-26650-Lithium-Battery-Cells.html", "priceNote": "\u20ac3/cell is an editable landed-price assumption. Manufacturer advertises $2.50 at MOQ 100; no accepted order or Cyprus quote.", "lifeNote": "3,000 cycles at 80% DoD, 1C charge / 3C discharge, to 80% capacity, room temperature. Exact 10\u201390% endpoints and mission duty unverified. Planning throughput only when conservative cell current stays within 9 A." }, { "id": "anr", "name": "Lithium Werks ANR26650M1B", "chemistry": "LFP", "volts": 3.3, "ah": 2.6, "grams": 76, "maxV": 3.6, "minV": 2, "dischargeA": 50, "chargeA": 2.6, "tiers": [ [ 1, 7.95 ], [ 20, 7.05 ], [ 200, 6.55 ] ], "status": "stock", "moq": 1, "cycles": 4000, "lifeLimitA": 2.6, "spec": "https://stortronics.com/content/26650%20Power%20Cell%20080625.pdf", "shop": "https://www.nkon.nl/en/a123-systems-anr26650m1b-a-grade-3-3v-a-grade.html", "priceNote": "Displayed EU retail tiers. Listed 2024 cells; updated 26 A charge rating applicability is unresolved. Model uses 1C charging.", "lifeNote": ">4,000 cycles at 1C/1C and 100% DoD, retention endpoint not explicit. No exact drone-duty life. 4,000-cycle scenario disabled above the stated 1C test current." }, { "id": "p50b", "name": "Molicel P50B", "chemistry": "Li-ion", "volts": 3.6, "ah": 5, "grams": 71, "maxV": 4.2, "minV": 2.5, "dischargeA": 60, "chargeA": 5, "tiers": [ [ 1, 6.75 ], [ 10, 5.92 ], [ 50, 5.61 ], [ 100, 5.51 ], [ 200, 5.41 ] ], "status": "stock", "moq": 1, "cycles": 750, "lifeLimitW": 100, "spec": "https://www.molicel.com/wp-content/uploads/Product-Data-Sheet-of-INR-21700-P50B-80122.pdf", "shop": "https://www.nkon.nl/en/molicel-inr21700-p50b-5000mah-50a.html", "priceNote": "Current displayed EU retail tiers, updated 14 October. Uses conservative 71 g maximum datasheet mass.", "lifeNote": "Approximately 750 cycles to 80% capacity read from manufacturer +1C / \u2212100 W full-window graph. Does not establish 750 physical 10\u201390% cycles; shown only as an explicit scenario." }, { "id": "eve40", "name": "EVE 40PL", "chemistry": "Li-ion", "volts": 3.6, "ah": 4, "grams": 67, "maxV": 4.2, "minV": 2.5, "dischargeA": 70, "chargeA": 4, "tiers": [ [ 1, 3.95 ], [ 10, 3.15 ], [ 130, 2.85 ], [ 390, 2.65 ] ], "status": "stock", "moq": 1, "cycles": null, "spec": "https://www.nkon.nl/en/amfile/file/download/file/278/product/5594/", "shop": "https://www.nkon.nl/en/eve-inr21700-40pl-4000mah-70a.html", "priceNote": "EU retail stock and displayed tiers. Charge model uses 1C; maximum charge-rating revisions differ.", "lifeNote": "Older sheet: 400 cycles to 60% at 6 A charge / 40 A discharge. Different endpoint and duty; no comparable 80%-capacity lifetime or monthly-wear figure asserted." }, { "id": "p45b", "name": "Molicel P45B", "chemistry": "Li-ion", "volts": 3.6, "ah": 4.5, "grams": 70, "maxV": 4.2, "minV": 2.5, "dischargeA": 45, "chargeA": 4.5, "tiers": [ [ 1, 4.25 ] ], "status": "unavailable", "moq": 1, "cycles": null, "spec": "https://www.molicel.com/inr-21700-p45b/", "shop": "https://www.nkon.nl/en/molicel-inr21700-p45b-4500mah-45a.html", "priceNote": "Historical \u20ac4.25 tier; listing was out of stock. Watchlist, excluded by default.", "lifeNote": "No matched 10\u201390% cycle-life result." }, { "id": "rs50", "name": "Reliance RS50", "chemistry": "Li-ion", "volts": 3.6, "ah": 5, "grams": 67, "maxV": 4.2, "minV": 2.5, "dischargeA": 70, "chargeA": 5, "tiers": [ [ 1, 4.65 ] ], "status": "unavailable", "moq": 1, "cycles": 1000, "lifeLimitA": 10, "spec": "https://www.nkon.nl/en/amfile/file/download/file/1494/product/5764/", "shop": "https://www.nkon.nl/en/reliance-inr21700-rs50-5000mah-70a.html", "priceNote": "Earlier \u20ac4.65 listing; expected stock, not a verified buy-now choice.", "lifeNote": "1,000 cycles at 8 A charge / 10 A discharge, 4.15\u20133 V, 90% DoD. Exact 10\u201390% life unknown; scenario disabled above 10 A." }, { "id": "lto45", "name": "Shengquan SQT-32700H", "chemistry": "LTO", "volts": 2.4, "ah": 4.5, "grams": 130, "maxV": 2.8, "minV": 1.5, "dischargeA": 18, "chargeA": 4.5, "tiers": [ [ 1, 20.23 ] ], "status": "limited", "moq": 1, "cycles": 20000, "lifeLimitA": 4.5, "spec": "https://www.pk-components.de/ressourcen/empfohlene-bauelemente/lithium-titanat-batterien-lto-batterien.html", "shop": "https://www.pk-components.de/ressourcen/empfohlene-bauelemente/lithium-titanat-batterien-lto-batterien.html", "priceNote": "\u20ac17 sample price plus assumed 19% VAT. Earlier stock only 16 samples; pool quantities unconfirmed.", "lifeNote": "Distributor 20,000-cycle claim at 1C; detailed endpoint/window needs confirmation. Scenario disabled above 1C." }, { "id": "lto6", "name": "Shengquan SQT-32145H 6Ah", "chemistry": "LTO", "volts": 2.4, "ah": 6, "grams": 280, "maxV": 2.8, "minV": 1.5, "dischargeA": 120, "chargeA": 6, "tiers": [ [ 1, 27.37 ] ], "status": "limited", "moq": 1, "cycles": 20000, "lifeLimitA": 6, "spec": "https://www.pk-components.de/fileadmin/Datenblaetter/Shengquan/SQT-32145H-6Ah.pdf", "shop": "https://www.pk-components.de/ressourcen/empfohlene-bauelemente/lithium-titanat-batterien-lto-batterien.html", "priceNote": "\u20ac23 sample price plus assumed 19% VAT. Earlier stock six samples, series quantities on lead time.", "lifeNote": "20,000 cycles at 1C/1C, 25 \u00b0C to 80%, 10-minute rests. Exact mission duty unverified; scenario disabled above 1C." }, { "id": "sls", "name": "SLS NOC 1100 6S subpacks", "chemistry": "LiPo", "volts": 3.7, "ah": 1.1, "grams": 27.333333333333332, "maxV": 4.2, "minV": 3, "dischargeA": 55, "chargeA": 1.1, "tiers": [ [ 1, 3.6666666666666665 ] ], "status": "conditional", "moq": 1, "cycles": null, "seriesOptions": [ 6, 12 ], "spec": "https://www.stefansliposhop.de/akkus/sls-fpv-noc-race/sls-2-noc/sls-noc-race-1100mah-6s1p-22-2v-2n::1969.html", "shop": "https://www.stefansliposhop.de/akkus/sls-fpv-noc-race/sls-2-noc/sls-noc-race-1100mah-6s1p-22-2v-2n::1969.html", "priceNote": "\u20ac22 per finished 6S pack. Mass includes pack leads. Cyprus shipping requires arrangement; default charging 1C, not 10C maximum.", "lifeNote": "No model-specific measured cycle life. Generic LiPo cycle counts are not substituted." } ], "exclusions": [ { "name": "Amprius SA88 / P60C / EVE 26700", "reason": "No verified pack-sized buy-now price and stock; cannot place honestly on a purchase-cost frontier." }, { "name": "Used Toshiba 20 Ah modules", "reason": "Only 2\u20134 cells fit 75\u2013200 Wh, yielding 4.6\u20139.2 V. Outside the modelled motor bus range; requires different propulsion. Remaining service life unknown." }, { "name": "Sold-out surplus A123 modules", "reason": "Low historical prices are not current purchasable offers." }, { "name": "Hand-printed / toroidal propellers", "reason": "No measured thrust\u2013electrical-power curve or validated component mass." }, { "name": "Noise", "reason": "No comparable measured dBA-at-1-m results. Larger rotors are not proof of the 60 dBA target." } ], "sources": [ { "title": "Rotor forward-flight momentum model", "url": "https://ntrs.nasa.gov/api/citations/20205002518/downloads/20205002518_Pradeep_Aviation2020_manuscript_final_revised.pdf" }, { "title": "Coaxial thrust loss experiments", "url": "https://www.mdpi.com/1424-8220/23/14/6413" }, { "title": "Manufacturer coaxial loss allowance", "url": "https://store.tmotor.com/product/mn4116-motor-navigator-type.html" } ] }