Today's Message Index:
----------------------
1. 02:30 AM - Re: Firestar tail feathers (Johann)
2. 02:52 AM - Re: Trailer for Mark III (Rick Pearce)
3. 05:43 AM - Re: Trailer for Mark III (Larry Bourne)
4. 09:19 AM - Re: bent bird (Ben Ransom)
5. 01:03 PM - Re: EGT max: was bent bird (Ben Ransom)
6. 01:34 PM - Re: EGT max: was bent bird (ul15rhb@juno.com)
7. 02:26 PM - New Kolb Builder (N27SB@aol.com)
8. 02:51 PM - Re: EGT max: was bent bird (Beauford)
9. 03:18 PM - Re: EGT max: was bent bird (Beauford)
10. 03:40 PM - Re: New Kolb Builder (John Willamson)
11. 04:34 PM - Re: New Kolb Builder (ronnie wehba)
12. 05:49 PM - Re: EGT max: was bent bird (Giovanni Day)
13. 06:47 PM - Re: New Kolb Builder (G. Thompson)
14. 06:59 PM - reminder (Mhqqqqq@aol.com)
15. 07:52 PM - Re: New Kolb Builder (John Hauck)
16. 07:56 PM - Re: IVO Prop Question (David Paule)
17. 09:01 PM - Re: reminder (Kirk Smith)
18. 09:59 PM - Re: bent bird (DAquaNut@aol.com)
Message 1
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| Subject: | Firestar tail feathers |
--> Kolb-List message posted by: "Johann" <johann@gi.is>
Hi Dan.
The tangs should have 4 holes to bolt to the vertical and horizontal
stabilizers. Just use the ones farthest out on the tang and as mentioned in
previous mail, use washers. Not sure if the previous owner left the bolts in
the correct holes on the tangs, i.e. the way he set it up usually, but they
should have some kind of mark after the bolts head. Check it out. Happy
first flight.
Hope this helps.
Johann G.
Iceland.
Do not archive.
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Dan Charter
Subject: Kolb-List: Firestar tail feathers
--> Kolb-List message posted by: "Dan Charter" <lndc@fnbcnet.com>
Hi, What kind of set up am I supposed to be using on the lower cables on the
horizontal stabilizer? I bought a single place Firestar and the previous
owner has yet to send the manual. He's still looking. If I bolt the tangs
tight to the airframe they're going to be too tight. I'm afraid I'll break
something. With the cables pulled tight they're 3/4 of an inch from being
flush to the spot where the bolt goes thru. What length bolt should I be
using?
It should be nice tomorrow for my first flight in a Kolb if I can sort this
out.
Dan
Message 2
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| Subject: | Re: Trailer for Mark III |
--> Kolb-List message posted by: "Rick Pearce" <rap@isp.com>
I am also in the process of designing a trailer but I want to include a
shower stall ,sink Ref. & stove. I saw one at a powered parachute flyin. Was
real nice roll the plane out throw down a large air mattress have all the
accommodations of home even had air and generator.
----- Original Message -----
From: "Russell Phillips" <rphillip1999@hotmail.com>
Subject: Kolb-List: Trailer for Mark III
> --> Kolb-List message posted by: "Russell Phillips"
<rphillip1999@hotmail.com>
>
> I'm looking at having a trailer built for my Mark III Classic (still
building)and would like to here any suggestions that might make this a
little less painful. I've checked the archives so I have a general idea of
how I want to do it, but there are a lot of things I could use some advice
about from guys that have already gone through it. One question is what will
the height be with a 912 and 70" 3 blade prop. Anything suggestions or
advice would be appreciated. Thanks.
> Russ
> Mark III Classic 2/3 Done
> NY now, maybe FL soon
>
>
Message 3
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| Subject: | Re: Trailer for Mark III |
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Check out the "Toy Haulers" at an RV dealer. There's lots of 'em in this
area for hauling ATV's etc., to the sand dunes. They're designed for just
what you want, and have many good ideas. Lar.
Do not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
----- Original Message -----
From: "Rick Pearce" <rap@isp.com>
Subject: Re: Kolb-List: Trailer for Mark III
> --> Kolb-List message posted by: "Rick Pearce" <rap@isp.com>
>
> I am also in the process of designing a trailer but I want to include a
> shower stall ,sink Ref. & stove. I saw one at a powered parachute flyin.
Was
> real nice roll the plane out throw down a large air mattress have all the
> accommodations of home even had air and generator.
> ----- Original Message -----
> From: "Russell Phillips" <rphillip1999@hotmail.com>
> To: <kolb-list@matronics.com>
> Subject: Kolb-List: Trailer for Mark III
>
>
> > --> Kolb-List message posted by: "Russell Phillips"
> <rphillip1999@hotmail.com>
> >
> > I'm looking at having a trailer built for my Mark III Classic (still
> building)and would like to here any suggestions that might make this a
> little less painful. I've checked the archives so I have a general idea of
> how I want to do it, but there are a lot of things I could use some advice
> about from guys that have already gone through it. One question is what
will
> the height be with a 912 and 70" 3 blade prop. Anything suggestions or
> advice would be appreciated. Thanks.
> > Russ
> > Mark III Classic 2/3 Done
> > NY now, maybe FL soon
> >
> >
>
>
Message 4
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--> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
Don,
As a fellow member of the bent-birds(?)I gotta say that fixing the cage
is not as bad as you might think. I found a local A&P welder to do
mine. He charged me just $400, and that included the cost of me
"helping" :)!! In reality, it was as much a repair lesson to me, as a
fix for the cage. Next time -- not that there will be a next time --
I'd be inclined to fix it myself. When we fixed my cage, I was
surprised to see the guy take a mallet and whack the thing like
nobody's business to bring a tube back into straight. This compared to
me used to treating it like a cream puff. (This was cold bending,
generally preferred for slight bends.) Cutting out some pieces and
welding back in good ones, ain't bad either. Good to refer to the FAA
Repairman's guide for acceptable methods here -- this is one of those
(few?) times the government put out a useful document. Another option
you might check is calling the place near TNK -- I forget their name --
that builds their cages and demo planes. Perhaps they can fix your
cage for reasonable cost. Best of luck!
And, btw, your experience is a reminder to us all that 'silence
happens'. Just the other evening I was cruising along at dusk, too low
for any good options, but it was just so darn gorgeous and nice out
that I felt like the moment was worth the risk, which I know is
dillusional. Sounds to me like your flying at 1k agl and your handling
of the problem was as good as one could possibly do.
-Ben Ransom
...lurking here, flying my FS, and building my Murphy (Life is good)
--- Don Gherardini <donghe@one-eleven.net> wrote:
> --> Kolb-List message posted by: "Don Gherardini"
> <donghe@one-eleven.net>
>
> Holy cow fellas....thank you all for all these kind words...
>
> Well I dont know if I will ever know for certain why that engine
> quit. Feels
> funny to, as I spend so much time at work analyzing failures!
> About all I can determine is the switch..since it is the only spot in
> the
> circuit that is not soldered., meaning I have no "quick connects" or
> unsoldered splices or connections in that circuit, must have been the
> culprit. Trouble is, I cannot duplicate it certainly after 4 hours
> today of
> fooling arouind with it.
> no water in the bowl...new fuel...bowl full....arghh....I hate not
> being
> able to be certain about worse than bending my bird !
> On the Cuyuna, the ignition grounds in the on position...opposite of
> a
> rotax....so if the switch somehow went open inside...that would have
> stopped
> the engine., and since it stopped with out a sputter.....it would
> seem it
> lost fire....even tho we had spark when we got it in the shed.
>
> As far as another engine...well....I am certainly not against a
> different
> brand....although this is the first time a Cuyuna has failed
> me...heck even
> after burning Hole in a piston in a snowmobile ...it still ran on the
> other
> cyl!..Drove the dang thing 5 mile home in fact!
>
> Topher, The Honda just wont do....it is not going to be light
> enough....and
> as I have been flying the Fly at gross and slightly over....I know
> very well
> what happend to the sink rate from a heavy Firefly with that short
> wing....you run out of elevator way sooner on flare than you want
> to...and
> you really need to keep up the speed before letting the wheels
> touch..or you
> will bounce it pretty hard...with the stick in your belly. about
> theonly way
> I would consider a vtwin industrial at this point, is if I extended
> the
> wings....Like a firestar, and then....I dont think the Honda would
> give me
> the speed I want..
> Ralph...I would absoultley love to have that HKS on her...but
> again...I
> think its too heavy for a FireFly..
>
> So...arghh....who out here has another 40 hp class engine for
> sale>?.....Tom
> Olenick...you ot there?..what is the latest on the 447?.....Rotax
> quit em
> yet?....can ya still buy parts?....whats in the wind?
>
> FYI....DONT bend your cage men, got a quote from carol (TNK co)
> today...a
> firefly cage is 2500 bucks!...
>
> Paul.....how much did ya have to give for that TIG????
>
>
> Don Gherardini
> FireFly 098
> http://www.geocities.com/dagger369th/my_firefly.htm
>
>
> .
>
>
>
>
>
>
>
>
=====
http://mae.ucdavis.edu/~ransom
__________________________________
http://hotjobs.sweepstakes.yahoo.com/careermakeover
Message 5
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| Subject: | Re: EGT max: was bent bird |
--> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
Beauford, others,
In my limited 2-stroke experience, high EGT happens at different
throttle locations depending on jetting. For example, Beauford you
find your highest at closed throttle long glide, but I find mine at
mid-throttle (say low 4000s), gliding, or whatever. So in my 447, the
needle and circlip position -- these affect mid-range mixture -- are on
the lean side. My EGTs go below 1000 when I'm over 5000rpm or under
4000rpm. One additional note, an unexpected change to higher EGT might
indicate an air leak, and that can be on intake, exhaust, or any other
part of the engine. BTW, I read the 1200, tad over on Don's post, as a
caution sign too, but I wouldn't think it likely to be the sole cause
of silence.
-Ben
--- Beauford <beauford@tampabay.rr.com> wrote:
> --> Kolb-List message posted by: "Beauford"
> <beauford@tampabay.rr.com>
>
> Don:
> Sorry about that pretty little Fly getting beat up... better it than
> you,
> though...
> Couldn't help but notice the EGT number you mentioned...
> 1200, or a tad over, would be real toasty-warm for a 447 at 5300 RPM
> cruise...Based on conversations I've had with owners, I think most of
> 'em
> run at least 100 degrees cooler than that, depending on how they are
> jetted
> and how the prop is set up...
> Personally, I have my EGT hi-temp master caution light set at 1200
> degrees,
> since that is where the Rotax mafia says the melt-down zone begins
> for their
> engines...I don't expect to see 1200 on mine except in the thermal
> "coffin
> corner"... (steep glide, throttle closed more than 10 seconds...)
> Do the Cayunas routinely CRUISE up at 1200 or slightly above...?
> What EGT
> do you read in a closed throttle glide?
> Curious Beauford
> FF #076
> Brandon, FL
>
> ----- Original Message -----
> From: "Don Gherardini" <donghe@one-eleven.net>
> To: <kolb-list@matronics.com>
> Subject: Re: Kolb-List: bent bird
>
>
> > I still have the image of those engine guages stuck into my mind
> in
> > bewilderment...chts....300 and 315......EGT 1200...maybe a needle
> over...
> > ..
> !
> >
> > Don Gherardini
> >>
> > : http://www.matronics.com/contribution
> >
> >
>
>
>
>
>
>
>
>
=====
http://mae.ucdavis.edu/~ransom
__________________________________
http://hotjobs.sweepstakes.yahoo.com/careermakeover
Message 6
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| Subject: | Re: EGT max: was bent bird |
--> Kolb-List message posted by: ul15rhb@juno.com
Ben and others,
I believe the jetting can be richened enough to mask an air leak and EGT's would
show normal readings. If the plugs are grey instead of brown, this would be
a sign.
Has anyone found a leak on the intake where the manifold isn't square with the
cylinders? If the cylinder bolts are tightened before tightening the intake,
this might be a source for a leak.
Beauford, you had a grey plugs in your engine as I recall. What did you find that
was causing this?
Ralph
Original Firestar
17 years flying it
-- Ben Ransom <bwr000@yahoo.com> wrote:
--> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
Beauford, others,
In my limited 2-stroke experience, high EGT happens at different
throttle locations depending on jetting. For example, Beauford you
find your highest at closed throttle long glide, but I find mine at
mid-throttle (say low 4000s), gliding, or whatever. So in my 447, the
needle and circlip position -- these affect mid-range mixture -- are on
the lean side. My EGTs go below 1000 when I'm over 5000rpm or under
4000rpm. One additional note, an unexpected change to higher EGT might
indicate an air leak, and that can be on intake, exhaust, or any other
part of the engine. BTW, I read the 1200, tad over on Don's post, as a
caution sign too, but I wouldn't think it likely to be the sole cause
of silence.
-Ben
--- Beauford <beauford@tampabay.rr.com> wrote:
> --> Kolb-List message posted by: "Beauford"
> <beauford@tampabay.rr.com>
>
> Don:
> Sorry about that pretty little Fly getting beat up... better it than
> you,
> though...
> Couldn't help but notice the EGT number you mentioned...
> 1200, or a tad over, would be real toasty-warm for a 447 at 5300 RPM
> cruise...Based on conversations I've had with owners, I think most of
> 'em
> run at least 100 degrees cooler than that, depending on how they are
> jetted
> and how the prop is set up...
> Personally, I have my EGT hi-temp master caution light set at 1200
> degrees,
> since that is where the Rotax mafia says the melt-down zone begins
> for their
> engines...I don't expect to see 1200 on mine except in the thermal
> "coffin
> corner"... (steep glide, throttle closed more than 10 seconds...)
> Do the Cayunas routinely CRUISE up at 1200 or slightly above...?
> What EGT
> do you read in a closed throttle glide?
> Curious Beauford
> FF #076
> Brandon, FL
>
> ----- Original Message -----
> From: "Don Gherardini" <donghe@one-eleven.net>
> To: <kolb-list@matronics.com>
> Subject: Re: Kolb-List: bent bird
>
>
> > I still have the image of those engine guages stuck into my mind
> in
> > bewilderment...chts....300 and 315......EGT 1200...maybe a needle
> over...
> > ..
> !
> >
> > Don Gherardini
> >>
> > : http://www.matronics.com/contribution
> >
> >
>
>
>
>
>
>
>
>
=====
http://mae.ucdavis.edu/~ransom
__________________________________
http://hotjobs.sweepstakes.yahoo.com/careermakeover
Message 7
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| Subject: | New Kolb Builder |
--> Kolb-List message posted by: N27SB@aol.com
My name is Steve Boetto and I started building a MKIII Classic in dec03.
However it was put on hold because I started building an amphibious
fiberglass float prototype for tnk.
The prototype was completed and shown at Sun n Fun 04 and was turned over to
tnk for flight testing.
Now I am back on my mkIII
Please feel free to help with how this list works, its my first time
Message 8
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| Subject: | Re: EGT max: was bent bird |
--> Kolb-List message posted by: "Beauford" <beauford@tampabay.rr.com>
----- Original Message -----
From: <ul15rhb@juno.com>
Subject: Re: Kolb-List: EGT max: was bent bird
> --> Kolb-List message posted by: ul15rhb@juno.com
>
>
> Ben and others,
>
> I believe the jetting can be richened enough to mask an air leak and EGT's
would show normal readings. If the plugs are grey instead of brown, this
would be a sign.
>
> Has anyone found a leak on the intake where the manifold isn't square with
the cylinders? If the cylinder bolts are tightened before tightening the
intake, this might be a source for a leak.
>
> Beauford, you had a grey plugs in your engine as I recall. What did you
find that was causing this?
>
> Ralph
> Original Firestar
> 17 years flying it
>
>
> -- Ben Ransom <bwr000@yahoo.com> wrote:
> --> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
>
> Beauford, others,
> In my limited 2-stroke experience, high EGT happens at different
> throttle locations depending on jetting. For example, Beauford you
> find your highest at closed throttle long glide, but I find mine at
> mid-throttle (say low 4000s), gliding, or whatever. So in my 447, the
> needle and circlip position -- these affect mid-range mixture -- are on
> the lean side. My EGTs go below 1000 when I'm over 5000rpm or under
> 4000rpm. One additional note, an unexpected change to higher EGT might
> indicate an air leak, and that can be on intake, exhaust, or any other
> part of the engine. BTW, I read the 1200, tad over on Don's post, as a
> caution sign too, but I wouldn't think it likely to be the sole cause
> of silence.
> -Ben
>
> --- Beauford <beauford@tampabay.rr.com> wrote:
> > --> Kolb-List message posted by: "Beauford"
> > <beauford@tampabay.rr.com>
> >
> > Don:
> > Sorry about that pretty little Fly getting beat up... better it than
> > you,
> > though...
> > Couldn't help but notice the EGT number you mentioned...
> > 1200, or a tad over, would be real toasty-warm for a 447 at 5300 RPM
> > cruise...Based on conversations I've had with owners, I think most of
> > 'em
> > run at least 100 degrees cooler than that, depending on how they are
> > jetted
> > and how the prop is set up...
> > Personally, I have my EGT hi-temp master caution light set at 1200
> > degrees,
> > since that is where the Rotax mafia says the melt-down zone begins
> > for their
> > engines...I don't expect to see 1200 on mine except in the thermal
> > "coffin
> > corner"... (steep glide, throttle closed more than 10 seconds...)
> > Do the Cayunas routinely CRUISE up at 1200 or slightly above...?
> > What EGT
> > do you read in a closed throttle glide?
> > Curious Beauford
> > FF #076
> > Brandon, FL
> >
> > ----- Original Message -----
> > From: "Don Gherardini" <donghe@one-eleven.net>
> > To: <kolb-list@matronics.com>
> > Subject: Re: Kolb-List: bent bird
> >
> >
> > > I still have the image of those engine guages stuck into my mind
> > in
> > > bewilderment...chts....300 and 315......EGT 1200...maybe a needle
> > over...
> > > ..
> > !
> > >
> > > Don Gherardini
> > >>
> > > : http://www.matronics.com/contribution
> > >
> > >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
> =====
> http://mae.ucdavis.edu/~ransom
>
>
> __________________________________
> http://hotjobs.sweepstakes.yahoo.com/careermakeover
>
>
Message 9
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| Subject: | Re: EGT max: was bent bird |
--> Kolb-List message posted by: "Beauford" <beauford@tampabay.rr.com>
Ralph:
Re the 447...
I finally got mine to settle down some... runs 1040 EGT's at 5200 cruise...
Never did locate any specific cause for my spate of trouble... I suspect
that my over-fiddling with the idle air adjustment and jet-chasing was as
much of the problem as anything... I keep wanting to fool myself into
thinking this thing ought to behave like a "real" engine... there is a
certain 2-stroke hysteria mode I tend to get into after I have been fooling
with it for a while and it won't act the way I want it to... a tad of foam
about the lips, white showing all the way around the eyes, etc... I do
better as a diagnostician after I go cool down a while and come back at it
cold....I went back to all the initial base settings and jets, and worked
from there... I now have 24 hours on the same set of plugs and they look
OK... am about to toss 'em and put in new ones, but the color looks passable
(grey-brown) and the Rotax demon seems to be behaving himself....for the
moment... I have pretty well trained myself to block out the flashing red
light on short final.. ( I don't let it flash for more than a few
seconds)... sigh....
Nervous 4-stroke Beauford
FF #076
Brandon, FL
----- Original Message -----
From: <ul15rhb@juno.com>
Subject: Re: Kolb-List: EGT max: was bent bird
> --> Kolb-List message posted by: ul15rhb@juno.com
> > Beauford, you had a grey plugs in your engine as I recall. What did you
find that was causing this?
>
> Ralph
> Original Firestar
> 17 years flying it
> -- Ben Ransom <bwr000@yahoo.com> wrote:
> --> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
> > > > bewilderment...chts....300 and 315......EGT 1200...maybe a needle
> > over...
> > > .. > > Don Gherardini
Message 10
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| Subject: | New Kolb Builder |
--> Kolb-List message posted by: "John Willamson" <kolbrapilot@comcast.net>
N27SB,
First off, a signature block at the end of your posts will let us know who
we are working with.
The floats were very nice and I hope TNK sell a bunch of them.
Welcome aboard.
John Williamson
Arlington, TX
Kolb Kolbra, Rotax 912ULS, 564 hours
http://home.comcast.net/~kolbrapilot
do not archive
Message 11
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| Subject: | Re: New Kolb Builder |
required 5, autolearn=not spam, BAYES_00)
--> Kolb-List message posted by: "ronnie wehba" <rwehba@wtxs.net>
where's da pic at?
----- Original Message -----
From: "John Willamson" <kolbrapilot@comcast.net>
Subject: RE: Kolb-List: New Kolb Builder
> --> Kolb-List message posted by: "John Willamson"
<kolbrapilot@comcast.net>
>
> N27SB,
>
> First off, a signature block at the end of your posts will let us know who
> we are working with.
>
> The floats were very nice and I hope TNK sell a bunch of them.
>
> Welcome aboard.
>
>
> John Williamson
> Arlington, TX
>
> Kolb Kolbra, Rotax 912ULS, 564 hours
> http://home.comcast.net/~kolbrapilot
>
> do not archive
>
>
Message 12
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| Subject: | EGT max: was bent bird |
--> Kolb-List message posted by: "Giovanni Day" <gde01@bellsouth.net>
>>>>>Has anyone found a leak on the intake where the manifold isn't
square with the cylinders? If the cylinder bolts are >>>>>tightened
before tightening the intake, this might be a source for a leak.
Rotax makes a tool to prevent this misalignment.
Giovanni Day
MKIII wings need covering.
Do not archive
Message 13
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| Subject: | Re: New Kolb Builder |
--> Kolb-List message posted by: "G. Thompson" <eagle1@commspeed.net>
I am having a very good friend wanting to know all the info on Monument
Valley. Could some of you please send me the radio, runway, altitude, Name
etc. It would be very much privatized. Unfortunately he is flying a spam
can, 172, but he is a really good guy.
George, The Bald Eagle of Az.
Do not arcive
----- Original Message -----
From: "ronnie wehba" <rwehba@wtxs.net>
Subject: Re: Kolb-List: New Kolb Builder
> --> Kolb-List message posted by: "ronnie wehba" <rwehba@wtxs.net>
>
> where's da pic at?
> ----- Original Message -----
> From: "John Willamson" <kolbrapilot@comcast.net>
> To: <kolb-list@matronics.com>
> Subject: RE: Kolb-List: New Kolb Builder
>
>
> > --> Kolb-List message posted by: "John Willamson"
> <kolbrapilot@comcast.net>
> >
> > N27SB,
> >
> > First off, a signature block at the end of your posts will let us know
who
> > we are working with.
> >
> > The floats were very nice and I hope TNK sell a bunch of them.
> >
> > Welcome aboard.
> >
> >
> > John Williamson
> > Arlington, TX
> >
> > Kolb Kolbra, Rotax 912ULS, 564 hours
> > http://home.comcast.net/~kolbrapilot
> >
> > do not archive
> >
> >
>
>
Message 14
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--> Kolb-List message posted by: Mhqqqqq@aol.com
just a note to remind everyone who is new to two cycle engines.
you can get a 2 cycle engine to run great and put out a lot of power
if you run it lean, BUT this will be a short lived engine. part of the
cooling on a 2 cycle engine is the gas. and not just because it has
oil in it. if you have oil injection you still can't run your engine lean.
if you have any doubts on this try running your engine at 70% power until
it is fully warm. watch the EGT temp go down when you go to full throttle.
the extra gas is cooling the engine.
mark
s.e. minnesota
twinstar
Message 15
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| Subject: | Re: New Kolb Builder |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
Monument
| Valley. Could some of you please send me the radio, runway,
altitude, Name
| etc. It would be very much privatized. Unfortunately he is flying a
spam
| can, 172, but he is a really good guy.
| George, The Bald Eagle of Az.
Hi George/All:
Here is the info on UT25, Monument Valley:
http://www.airnav.com/airport/UT25
Take care,
john h
PS: Everyone is welcome, no matter what they fly, drive, pull, push,
or drag to Mounument Valley.
DO NOT ARCHIVE
Message 16
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| Subject: | Re: IVO Prop Question |
--> Kolb-List message posted by: "David Paule" <dpaule@frii.com>
> Usually, when I am calibrating and testing prop pitch on my airplane,
> I will make very short test flights without safety wire or other
> mechanical safeties. I must admit I am very uncomfortable until I get
> back on the ground and do a correct safety job on the prop.
No kidding!
I can think of these different methods of safetying a prop bolt - any of
these should be acceptable:
1. Safety wire the heads. This works if the heads are drilled for it.
2. Cotter pins through the nuts - that is, if the nuts and bolts are drilled
for them, an unusual event.
3. Loctite on the threads. Long ago, I ran some tests that indicated that
Loctite 262 worked great with high-strength screws. The manufacturer was
surprised that the screw heads didn't twist off, saying that usually they
did with that version. The screws that we tested were much smaller and much
stronger than the prop bolts, and the 262 worked well. I just looked on the
Loctite web site and couldn't find any useful information.
4. Bent-up tabs under the heads. Here, the tabs are part of a strip that
goes to at least two bolts, and secures both of them. Torque the bolts, bend
up the tabs, and bend then down to remove or recheck the torque. The tabs
can only be used once.
5. Use jam nuts if the bolts go into a threaded flange.
6. Use self-locking nuts if the flange isn't threaded - self-locking nuts
hold the prop on my Cessna 180.
Dave Paule
Message 17
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--> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com>
> if you have any doubts on this try running your engine at 70% power until
> it is fully warm. watch the EGT temp go down when you go to full
throttle.
> the extra gas is cooling the engine.
Why would my cylinder head temp go up then, at 100% power? That would
indicate my engine is getting warmer. Kirk
Do not archive
Message 18
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--> Kolb-List message posted by: DAquaNut@aol.com
In a message dated 5/4/04 3:51:18 PM Central Standard Time,
lnc2bldr@earthlink.net writes:
<<
I had a failure just like that. Thought I inadvertently bumped the kill
switch.
Turned out it was the kill switch. Somehow shorted out to ground while in
flight.
Bob >>
Bob,
How did you solve the problem?
Ed (in Houston)
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