petem
Well-Known Member
Ogura the OEM , in their marketing blurb tout their clutch as reducing wear and increasing longevity by only bringing in the root charger when necessary. Volvo tout the root charger as a boon to getting onto the plane. None say it's bad to run on the charger continuously, but you wouldn't expect them too. Comparing these chargers to those on cars etc is an apple orange affair. Each is built specific to it's intended purpose. And one also should look further than the charger itself to ascertain whether its good or not. Plenty anecdotal evidence on some KAD variants that sustained use of the root charger will cause the black box to over heat. I can believe that. Here is one of mine off a KAD42. Then there are other factors such has heated compressed air, that riding in that range you are lugging the engines neither on the plane or wholly out. If you are ever in doubt on that score watch what your engine temps do during that particular transition. If ever you were going to overheat that is the most likely point. i.e. even if the root charger can take sustained use, overall it is not a good place to be - IMHO
Interesting post. I wonder how the boost pressure from the supercharger compares with that from the turbo? Would the engine boost pressure readings indicate this or do they only give values for the turbos? I do have the temperature readings from the sea trial for my boat (at various rev ranges), I'll dig them out and post them later.
