diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/FlywheelBatteryBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/FlywheelBatteryBlockEntity.kt
index 5430e2ced..37b1322cc 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/FlywheelBatteryBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/tech/FlywheelBatteryBlockEntity.kt
@@ -9,6 +9,7 @@ import ru.dbotthepony.mc.otm.block.entity.MatteryBlockEntity
 import ru.dbotthepony.mc.otm.capability.FlowDirection
 import ru.dbotthepony.mc.otm.capability.energy.IMatteryEnergyStorage
 import ru.dbotthepony.mc.otm.capability.energy.ProfiledEnergyStorage
+import ru.dbotthepony.mc.otm.config.MachinesConfig
 import ru.dbotthepony.mc.otm.core.getBlockStateNow
 import ru.dbotthepony.mc.otm.core.math.Decimal
 import ru.dbotthepony.mc.otm.core.math.plus
@@ -116,10 +117,10 @@ class FlywheelBatteryBlockEntity(blockPos: BlockPos, blockState: BlockState) : M
 			val material = FlywheelMaterials[entry.key]!!
 			energy.parent.maxBatteryLevel = material.storage * entry.intValue
 			cachedChargeEfficiency = material.receiveEfficiency
-			energy.extractEnergy(energy.parent.batteryLevel * Decimal("0.000004") * material.momentumLossSpeed, false)
+			energy.extractEnergy(energy.parent.batteryLevel * MachinesConfig.Flywheel.PASSIVE_LOSS * material.momentumLossSpeed, false)
 		} else {
 			energy.parent.maxBatteryLevel = Decimal.ZERO
-			energy.extractEnergy(energy.parent.batteryLevel * Decimal("0.0004"), false)
+			energy.extractEnergy(energy.parent.batteryLevel * MachinesConfig.Flywheel.ACTIVE_LOSS, false)
 		}
 	}
 
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/config/MachinesConfig.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/config/MachinesConfig.kt
index fca8fd99a..e3d633896 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/config/MachinesConfig.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/config/MachinesConfig.kt
@@ -312,4 +312,28 @@ object MachinesConfig : AbstractConfig("machines") {
 		EssenceStorage
 		BriefcaseGrill
 	}
+
+	object Flywheel {
+		init {
+			builder.push("flywheel")
+		}
+
+		val PASSIVE_LOSS: Decimal by builder
+			.comment("Amount of energy lost per tick in % of energy stored")
+			.defineDecimal("PASSIVE_LOSS", Decimal("0.000001"), Decimal.ZERO)
+
+		val ACTIVE_LOSS: Decimal by builder
+			.comment("Amount of energy lost per tick in % of energy stored if Flywheel configuration is invalid")
+			.comment("Keep in mind that all stored energy is instantly lost when controller is broken by any means")
+			.comment("unless using mod which fully preserve blockentity metadata such as Mekanism cardboard box or Carry On")
+			.defineDecimal("ACTIVE_LOSS", Decimal("0.0004"), Decimal.ZERO)
+
+		init {
+			builder.pop()
+		}
+	}
+
+	init {
+		Flywheel
+	}
 }