Most maha dynos (stealth, star etc) read a maxed out ko3s at 240-250hp flywheel. 200-210whp+40losses
Jbs piper dyno reads a maxed out ko3s at 240-250hp flywheel. 215-225whp+25losses
Awesomes dynojet reads maxed out ko3s cars at 240hp. 225whp+15 losses.
Odd that all the fwhp are in the same range, yet the whp are all over the place.
Dynos are not measuring drivetrain losses, they are adding the rotational inertia of the drivetrain to the inertia of the rollers, to get a power figure.
Big rollers/load means that the drivetrain has less inertia compared to the dyno, so the % losses are less.
Smaller rollers with
lower load mean that the drivetrain inertia is more proportionally to the rollers, so you see bigger losses.
Your drivetrain loses 5% at most, but there is no way a dyno can measure it.
in other words whp figures are just as meaningless as fw figures. \don't try to compare one dyno of one manufacturer to one from another. Pointless.
Most dynos give a realistic fwhp figure plus or minus 10% or so.
They are a tuning tool. Not a power measure