Hi Gary
I usually don't work in my shop after dinner, so how does 7 pm work for you?

On Tue, Sep 25, 2018, 3:35 PM Gary Sack via KRnet <krnet@list.krnet.org>
wrote:

> Gee, you are a fountain of information!
>    I agree completely about the brakes and yes, they are out of round. I am
> not equipped to grind on centers (though I have improved them with an angle
> grinder), and would rather use a better drum. I once broke the hold-down
> arms in a hard landing and made new ones. I will check the the cast
> aluminum spar attach
> fittings.
>    I gather you are still using the original brakes.
>    Let me know when I should call.
>    Thanks, Gary
>
> On Sep 25, 2018 7:47 AM, "Richard Seifert via KRnet" <krnet@list.krnet.org
> >
> wrote:
>
> > Hi Gary
> > R/R used a common go-kart mechanical brake.
> > The first problem i found with that brake was chatter.  It was caused by
> > out of round and / or off center drums. When i assembled the wheels and
> > drums and ground the drums.  on center, the brakes worked much better.
> The
> > second problem is they are not very strong.  There may be stronger brakes
> > out there, but be careful because the retract KR will nose over pretty
> > easily.  I think that is why so many have been converted to fixed gear.
> My
> > KR-2 is still a retract, but i have beefed up the retract linkage to
> remove
> > all the slop (clearances), and i replaced the cast aluminum spar attach
> > fittings with welded steel fittings, because the original outboard R/R
> spar
> > fittings both cracked.   Whatever you do, please check those outboard
> > retract fittings for cracks.  You may not have experianced these gear
> > problems if your KR is very light. My KR2 is a 2064cc turbo, streached
> and
> > weighs 600 lbs empty.  That is still very light compaired to todays
> corvair
> > powered fixed gear streached KRs.
> > Hopefully someone else can help with the CFI question.
> > Happy flying
> >
> > On Tue, Sep 25, 2018, 1:35 AM Gary Sack via KRnet <krnet@list.krnet.org>
> > wrote:
> >
> > > Thanks to Richard for the starter info.
> > > Two more questions...
> > >    Is there a good quality brake drum to replace the cheap pressed
> sheet
> > > metal ones stock on KR retractable wheels.
> > >    Is there a CFI willing to work with my son, either in his KR, or in
> > > mine. If in mine, he ought to be fairly light as Ivan weighs 220, and
> he
> > > and I would be way over gross in my plane. He hasn't been in it since
> he
> > > was twelve for that reason. He's now nearly thirty, and I'd like to
> pass
> > > her down to him.
> > >    Thanks, Gary Sack
> > > garys...@gmail.com
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