mmc205
Senior Heliman
Location: PA - USA
| ""a cold plug to change timing" ,,, well a colder plug will retard time, that would actually be better for the rear bearing,,
Thats what i meant, i should have said without shimming or without running a cold plug.
2) ""If the bearing was up to the task, the engine might be able to handle the extra punishment"",,, what you mean here is if the bearing was up to the task it would handle the punishment, and yes, but the question is~ is it a grade 1 cheap Chinese bearing ? or a high quality grade 3 or 5 bearng made in US or Japan,,
I see your point, but realize a higher abec rating will give you extended life only if its not overloaded to begin with. That is to say a abec 7 bering will fail nearly as quick as an abec 1 if they are severly overloaded.
3 ""if that particular bearing is within manufacturing specifications"" ,,, manufacturing specifications mean NOTHING, it's the ABEC/ISOP0 rating that we need to look at, a number 1 is the lowest grade, and that is what is coming in these engines, and if the bearing is NOT marked you better question it's quality and where it was made !!!
Even with the most expensive bearings, dimensional tolerance stackups can work against you, though your point is taken that a higher abec would be better, and i would personally accept a higher engine cost if that were the case.
4) ""There is a exponential relationship between cost and performance"" ,, there you go you hit it good, and Boca is offering a replacement bearing kit with both front and rear bearings for the OS 50 for $10, so for only $10 you can only guess what OS is paying for their UN-marked bearings, what's going on is you are getting a $200 engine with $2 bearings,,
I can pretty much agree with this, except that $10 bearing your buying aftermarket probably cost boca the same $2, might be the same class of bearing.
5) ""My point with all this is that if you want a superb engine that will never fail under serious abuse and last a really long time, be prepared to pay $1200 or so"" ,,, well, all I can say here is I have friends that DON"T have problems with their Hyper 50, these guys have 12, 14 and 15 gallons run threw their engines, I would have to believe most people that buy the Hyper 50 don't have problems..
I don't have any problems with mine either, i'm just trying to help get to the bottom of this whole thing. The other thing we're all discounting is the unheard voices of the many people who don't have any problem. They are not in the chatroom talking about it, they are out flying. That hold for almost any product, even great ones. You almost never hear from the people who are happy, only from the ones who have a problem.
Dude, you have a bird on your sweater |
whom said that ??? or is it who said that ???
