Operating Manual ULPOWER UL260,UL350,UL390,UL520M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 10 of 22General operating limitsSpeedMax. engine speed ...................... 3300 rpmRecommended prop speed ............ 2200 - 2800 rpmNormal idle speed ....................... 850 rpmMin. idle speed .......................... 700 rpmRequirements about RPM SettingsMin static RPM at WOT: ................ 2550 rpmMin take OFF speed at WOT: .......... 2800 rpmMin speed WOT straight and level: .. 2900 rpmRunning ina) Non aerobatic engine- No need to use special run-in oil.- To run in a new engine: Limit the power to max 80% for the first 5 hours and avoidexceeding 3000rpmb) Aerobatic engine.- No need to use special run-in oil.- To run in a new engine: Limit the power to max 80% for the first 5 hours and avoidexceeding 3000rpm- Don’t fly any aerobatic manoeuvres during the first 15 flying hours- Follow maintenance manual and add Telflon additive (ULP Partnr. L0100120) every oilchange starting from the first 15 hours oil changePerformance (ISA: International standard atmosphere)Engine Maximum HP(for 5 minutes)Maximum Rpm(for 5 minutes)Maximum HP(Continious Power)Maximum Rpm(Continious Power)UL 260i 97 3300 87 2800UL 260iS(a) 107 3300 95 2800UL 350i 118 3300 112 2800UL 350iS(a) 130 3300 123 2800UL 350iHPS 145 3500 131 3000UL 390i 140 3300 125 2800UL 390iS(a) 160 3300 143 2800UL 520i 180 3300 170 2800UL 520iS(a) 200 3300 180 2800