SpecificationsPropellersType27*8.8inch(685.8mm*223.5mm)AmbientTemp-40ºC~65ºCWeight(singlepropeller)43gStorageTemp-10ºC~50ºCMaterialCF+EpoxyStorageHumidity<85%SurfaceTreatmentGlossyOptimumRPM3000-5000RPM/minPropellertypeThree-bladepropellerThrustLimitation50kgWarning(1)Pleasemakesurethatscrewsofcoverplatesandpropellersaremountedproperly(2)Doublecheckthatpropellersareflawless,otherwise,pleasereplacethembeforeflight(3)Fall-offorequivalentimpacttopropellerswillleadtodefromationorcracks,inthiscase,youwillneedreplacethem(4)NEVERaddforceontothepropellersordecomposethepropellers,Anydecompositionwillresultinsafetyissues(5)Forsafety,pleasestayawayfromthespinningpropellers,Specialattentionshouldbepaidtowhenusingpropellers(6)Pleasekeepthepropellersawayfromhostileenvironmentscontainingcorrosivegases,andmaintainstrictcompliaccewithstoragetemperatureandhumidityrequirements,especiallywhenitcomestolong-timestorage