Your defeating the purpose if you put loctite on the taper, It's simply not required and will weaken the locking effect of the taper.
Gavin Australia ----- Original Message ----- From: "Dene Collett (SA)" <dene.coll...@telkomsa.net> To: "KRnet" <kr...@mylist.net> Sent: Tuesday, November 18, 2003 6:35 AM Subject: Re: KR>type IV conversion manual dene colllet > Mark L wrote: > I'd run it off the crank end, where the power was meant to be > > delivered. If you're going to design something to take the gyroscopic > loads > > anyway, I'd fasten it to the other end of the crank... > Hi Mark > Thanks for the reply, I was unaware of any failures of the type IV crank at > all. I was led to believe that it was a very strong crank which if done > properly would handle a lot of punishment. Even the failures mentioned > earlier only spoke of the welded hub failing. > I have considdered driving the prop from the flywheel end but cannot come up > with a way of handling the thrust bearing issue without adding a bunch of > unwanted extra weight. > As a matter of interest I am getting a scrap crank from a local VW repairer > and am going to conduct a test to see just how much torque the standard > taper will handle before failing. I am first going to use some grinding > paste to lap the taper surfaces for a perfect match, put it together with > locktite and preheat the hub for a slight shrink fit on the crank.For this > test I will be using a welded flange to the pulley hub with a long lever arm > bolted to it. > My guess is that for every broken crank out there, there are at least twenty > that have been working fine for many hours.There was probably a very good > reason for them breaking as well. I personally know of four KRs here that > have used that system and have flown many hours. I must concede that they > all use the longer taper as in the force 1 hub (unsupported) > If you could find that info I would appreciate it. > Phew, over and out > Cheers > dene.coll...@telkomsa.net > > > _______________________________________________ > see KRnet list details at http://www.krnet.org/instructions.html --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.541 / Virus Database: 335 - Release Date: 14/11/2003
