Today's Message Index:
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1. 07:43 AM - Re: Re: Kolbra for sale (frank goodnight)
2. 08:07 AM - Kolbra (Dennis)
3. 10:08 AM - Re: Seat Security...How much is too much ! (Dennis Thate)
4. 12:04 PM - Re: Kolbra (Ralph B)
5. 04:10 PM - Exhaust Clamps - 447 (Beauford)
6. 09:25 PM - Re: Exhaust Clamps - 447 (Richard Pike)
Message 1
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Subject: | Re: Kolbra for sale |
b
________________________________
From: Ralph B <rstar447@gmail.com>
Sent: Sat, April 6, 2013 10:41:36 PM
Subject: Kolb-List: Re: Kolbra for sale
Use the @ for (at) ...
--------
Ralph B
Original Firestar 447
N91493 E-AB
1000+ hours
26 years flying it
Kolbra 912ULS
N20386
200 hours
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=398009#398009
Message 2
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Do you have more detail information on your Kolbra
Message 3
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Subject: | Re: Seat Security...How much is too much ! |
Found a large size 'Child's Car Seat' that works well. About 4 pounds after some
serious butchering with my Reciprocating Sawsall . Quite comfortable and offers
the tight fit I was looking for and .....only three bucks at a garage sale!
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Both optimists and pessimists contribute to our society. The optimist invents
the airplane and the pessimist the parachute. ~Gil Stern
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=398060#398060
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Message 4
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"Dennis Thate"
> Do you have more detail information on your Kolbra?
Dennis, I assume you want the info on Larry's Kolbra. I can give all the info you
need on my Kolbra.
I think Larry's Kolbra is a very good deal for someone and it looks like he did
a great job building it. The buyer could get it now, and expand to a 912 engine
later on if that's what they wanted. I haven't seen Larry's covering job in
person, but I think it's better than my Kolbra.
I will send you an email ...
Ralph
--------
Ralph B
Original Firestar 447
N91493 E-AB
1000+ hours
26 years flying it
Kolbra 912ULS
N20386
200 hours
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=398075#398075
Message 5
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Subject: | Exhaust Clamps - 447 |
Kolbers:
Today, during annual inspection on the Kleenex Fly, observed that the after
market exhaust system clamps on the evil 447
evidenced a problem. These stainless steel circular clamps, held in place
with 3/8 inch A/N nuts and bolts around their
circumference, are widely used to replace the traditional Rotax muffler
springs. On mine, the innermost clamp closest to the
"Y" in the manifold, no longer had the dimension to clamp securely against
the swelling end of the manifold pipe where it
enters into the "U" shaped elbow. This condition was not related to the
tightness of the 3/8 inch nuts and bolts. the clamp
had vibrated against the pipe and worn slightly to where it was just
slightly too large to grip securely against the manifold tube.
Repositioning the clamp was not an option due to the proximity of the edge
of the "U" elbow.
The result was a loose clamp and excessive slop in the manifold-to-elbow
connection, together with significant evidence of blow-by leakage at that
connection, a
condition which most of you know has larger implications for the reliable
operation of a 2-stroke engine.
I think the clamps are tidy, sexy and pretty.and I think the Rotax springs,
with their safety wire and red Permatex damping goo, are messy,
primitive and ugly. but the ugly 'ol springs will be back on Beauford's
toy tomorrow. If you are a "clamper" v.s. a "springer", you might want to
take
a quick peek at yours. Can't hurt.
Am happy that I was cynical enough not to remove the old Rotax spring
hangers when the spiffy new clamps were installed. Never cut off anything
old that might be of some use later.regardless of how improbable that
prospect may seem at the time.
.worth what ye paid fer it.
Springy, de-clamped beauford
FF-076, N173BW
Brandon, FL
If you forward this e-mail, please remove my name before sending it... I
promise to do the same for you...
Thanks...
Message 6
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Subject: | Re: Exhaust Clamps - 447 |
These are not stainless, and require a bit of welding and grinding, but they are
about as bulletproof as it is possible to make: Go to Advance, Pep Boys, or
your favorite purveyor of muffler clamps and get yourself 4 large clamps. Discard
the U-bolts. Cut off the ends of the bent U-channel and weld them to the various
parts of the exhaust system. Plan ahead, not all positions are equally
useful.
Get some 5/16" common bolts at Lowes, drill them for cotter pins at the outer end
of the threads. Get four stout springs to fit over the bolts and a handfull
of washers, and put the whole mess together. Smear a little anti-seize in the
ball joints.
Every 50 hours or so the bolts will get slightly worn away where they pass through
the brackets; replace them. Since they are 5/16" bolts, they have to chew
away a lot before you need to worry. You can get aircraft quality bolts if you
want to, I think 5/16" common bolts are overkill, that's why I use them. Crude?
Yeah. Heavy? Yeah. Likely to come apart and go through the prop? Not if you
preflight and they are not grooved from wear.
And as my buddy Beauford would say: "Worth what ye paid fer it!"
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
richard (at) bcchapel(dot)org
Kingsport, TN 3TN0
Now faith is the substance of things hoped for, the evidence of things not seen.
Hebrews 11:1
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