Today's Message Index:
----------------------
1. 03:03 AM - Re: Plexiglass Scratch Repair... (icrashrc)
2. 06:25 AM - Re: Plexiglass Scratch Repair... (John Hauck)
3. 06:56 AM - Re: Plexiglass Scratch Repair... (robert bean)
4. 06:57 AM - do not archive (boyd)
5. 07:17 AM - Re: Plexiglass Scratch Repair... (herb)
6. 07:38 AM - Re: Plexiglass Scratch Repair... (robert bean)
7. 08:16 AM - torque on various bolts (cristalclear13)
8. 09:38 AM - Re: My other hobby (grantr)
9. 10:53 AM - Re: Re: My other hobby (John Hauck)
10. 11:19 AM - Re: Re: My other hobby (Richard & Martha Neilsen)
11. 12:52 PM - Re: torque on various bolts (George Alexander)
12. 03:21 PM - Re: Re: torque on various bolts (Larry Cottrell)
13. 05:15 PM - Re: torque on various bolts (boyd)
14. 05:46 PM - Re: Re: torque on various bolts (Eugene Zimmerman)
15. 06:34 PM - Re: torque on various bolts (Richard Girard)
16. 09:18 PM - Re: Re: torque on various bolts (Larry Cottrell)
Message 1
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| Subject: | Re: Plexiglass Scratch Repair... |
Pretty impressive!
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=215507#215507
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| Subject: | Re: Plexiglass Scratch Repair... |
> During the fitting of the Plexiglass canopy on my RV-8, I managed to put
> some pretty disheartening scratches in the windscreen section.
> Matt Dralle
> RV-8 #82880
Hi Matt:
I imagine most all of us Kolb builders and flyers have Lexan windshields,
doors, and windows.
How does this product work on Lexan? or will it work on Lexan?
I tried to clean up a Lexan windshield, many years ago, with a product that
was highly advertised in aviation circles back then. Ended up trashing the
whole thing after the Lexan became cloudy and remained that way.
Lexan is much softer than Plexiglass, thus we can bend it to extreme without
fear of breaking.
john h
Marysvale, UT
Message 3
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| Subject: | Re: Plexiglass Scratch Repair... |
John, the softness factor makes me wonder if you tried the scratch
removal at a very low temperature?????
It might affect the hardness of the lexan during the procedure.
You would have to spin the drill at a low speed to prevent heating.
Worth a try on a piece of scrap.
BB
On 21, Nov 2008, at 9:24 AM, John Hauck wrote:
>
>
>> During the fitting of the Plexiglass canopy on my RV-8, I managed
>> to put some pretty disheartening scratches in the windscreen section.
>
>> Matt Dralle
>> RV-8 #82880
>
> Hi Matt:
>
> I imagine most all of us Kolb builders and flyers have Lexan
> windshields, doors, and windows.
>
> How does this product work on Lexan? or will it work on Lexan?
>
> I tried to clean up a Lexan windshield, many years ago, with a
> product that was highly advertised in aviation circles back then.
> Ended up trashing the whole thing after the Lexan became cloudy and
> remained that way.
>
> Lexan is much softer than Plexiglass, thus we can bend it to
> extreme without fear of breaking.
>
> john h
> Marysvale, UT
>
>
Message 4
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I just deleted a screen full of messages of which MAYBE 2 were worthy of
archiving.only one of these messages was tagged with the DO NOT ARCHIVE ..
what happened to using the term DO NOT ARCHIVE???????
Matt if you are listening / reading.. And I know that storage space is
cheep. could you consider changing the term to PLEASE ARCHIVE..
SORRY for the rant. had a really bad week.
Boyd Young
Kolb MkIII C 555+ hours and counting
Brigham City Utah.
Message 5
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| Subject: | Re: Plexiglass Scratch Repair... |
what I know from making a telescope mirror some years ago....
If one has a deep scratch...it will never "polish" out.. at least
not in a reasonable amount of time...one has to start with a course
grinding (sandpaper) material and take a particular scratch to its
depth...then begin to use finer and finer grinding compounds til the
area is in a see through condition when wetted...at that point
polishing compounds,,,jewelers rouge, cerium oxide will begin to
work...and possibly will not work at all on Lexan?? Herb
polishing compounds are available at any lens makers...same for
grinding compounds... any lens makers left in the states??? :-) Herb
At 08:56 AM 11/21/2008, you wrote:
>
>John, the softness factor makes me wonder if you tried the scratch
>removal at a very low temperature?????
>It might affect the hardness of the lexan during the procedure.
>You would have to spin the drill at a low speed to prevent heating.
>Worth a try on a piece of scrap.
>BB
>
>On 21, Nov 2008, at 9:24 AM, John Hauck wrote:
>
>>
>>
>>
>>>During the fitting of the Plexiglass canopy on my RV-8, I managed
>>>to put some pretty disheartening scratches in the windscreen section.
>>
>>>Matt Dralle
>>>RV-8 #82880
>>
>>Hi Matt:
>>
>>I imagine most all of us Kolb builders and flyers have Lexan
>>windshields, doors, and windows.
>>
>>How does this product work on Lexan? or will it work on Lexan?
>>
>>I tried to clean up a Lexan windshield, many years ago, with a
>>product that was highly advertised in aviation circles back then.
>>Ended up trashing the whole thing after the Lexan became cloudy and
>>remained that way.
>>
>>Lexan is much softer than Plexiglass, thus we can bend it to
>>extreme without fear of breaking.
>>
>>john h
>>Marysvale, UT
>>
>>
>>
>
>
Message 6
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| Subject: | Re: Plexiglass Scratch Repair... |
Herb, I did that for a few years. (now the listers will groan).
Made a personal 6" reflector, hand parabolized with a Foucalt knife
apparatus for guidance.
Talk to you BC about it if you want.
BB
do not archive
On 21, Nov 2008, at 10:17 AM, herb wrote:
>
> what I know from making a telescope mirror some years ago....
>
> If one has a deep scratch...it will never "polish" out.. at
> least not in a reasonable amount of time...one has to start with a
> course grinding (sandpaper) material and take a particular scratch
> to its depth...then begin to use finer and finer grinding compounds
> til the area is in a see through condition when wetted...at that
> point polishing compounds,,,jewelers rouge, cerium oxide will begin
> to work...and possibly will not work at all on Lexan?? Herb
>
> polishing compounds are available at any lens makers...same for
> grinding compounds... any lens makers left in the states??? :-) Herb
>
>
> At 08:56 AM 11/21/2008, you wrote:
>>
>> John, the softness factor makes me wonder if you tried the scratch
>> removal at a very low temperature?????
>> It might affect the hardness of the lexan during the procedure.
>> You would have to spin the drill at a low speed to prevent heating.
>> Worth a try on a piece of scrap.
>> BB
>>
>> On 21, Nov 2008, at 9:24 AM, John Hauck wrote:
>>
>>>
>>>
>>>
>>>> During the fitting of the Plexiglass canopy on my RV-8, I managed
>>>> to put some pretty disheartening scratches in the windscreen
>>>> section.
>>>
>>>> Matt Dralle
>>>> RV-8 #82880
>>>
>>> Hi Matt:
>>>
>>> I imagine most all of us Kolb builders and flyers have Lexan
>>> windshields, doors, and windows.
>>>
>>> How does this product work on Lexan? or will it work on Lexan?
>>>
>>> I tried to clean up a Lexan windshield, many years ago, with a
>>> product that was highly advertised in aviation circles back then.
>>> Ended up trashing the whole thing after the Lexan became cloudy and
>>> remained that way.
>>>
>>> Lexan is much softer than Plexiglass, thus we can bend it to
>>> extreme without fear of breaking.
>>>
>>> john h
>>> Marysvale, UT
>>>
>>>
>>>
>>
>>
>>
>>
>>
>
>
Message 7
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| Subject: | torque on various bolts |
I am replacing the rubber engine mounts for my Rotax 503 on my Mark II. Travis
is sending me the new mounts. I thought I'd ask you guys what I should be torquing
those bolts to (that mount the engine on-not the mount itself). The bolts
are AN6-27A.
I'm also going to replace the bolts and nuts on my propeller. I found in my paperwork
somewhere that they should be torqued to 110 in lbs. Does that sound
right? Those bolts are AN5-34A and I have a 66" wood prop in case you're wondering.
--------
Cristal Waters
Kolb Mark II Twinstar
Rotax 503 DCSI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=215549#215549
Message 8
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| Subject: | Re: My other hobby |
Its a Thunder Tiger pro 46
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=215566#215566
Message 9
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| Subject: | Re: My other hobby |
Grant:
Is that a replacement for the dastardly expensive, however well matched and
performing Kolb powerplant, the 912ULS?
john h
Circleville, UT
>
> Its a Thunder Tiger pro 46
Message 10
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| Subject: | Re: My other hobby |
John
Out of your mouth (well your fingers), well I have to agree but from you
never less surprised.
I have had enough of winter!!! Two weeks and we will be heading for Florida.
In spited of what our jetpilot says it isn't a IFR only state. Leaving the
Kolb at home in Michigan again this winter.
Do not archive
Rick Neilsen
Redrive VW powered MKIIIC
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Sent: Friday, November 21, 2008 1:53 PM
Subject: Re: Kolb-List: Re: My other hobby
>
> Grant:
>
> Is that a replacement for the dastardly expensive, however well matched
> and performing Kolb powerplant, the 912ULS?
>
> john h
> Circleville, UT
>
>
>>
>> Its a Thunder Tiger pro 46
>
>
>
Message 11
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| Subject: | Re: torque on various bolts |
cristalclear13 wrote:
>
>
> ====SNIP+++++
> I'm also going to replace the bolts and nuts on my propeller. I found in my
paperwork somewhere that they should be torqued to 110 in lbs. Does that sound
right? Those bolts are AN5-34A and I have a 66" wood prop in case you're wondering.
Cristal:
Check with your prop manufacturer. It may vary mfg to mfg.
e.g. TPI with AN5 bolts calls for 144" lbs +/-15" lbs.
--------
George Alexander
FS II R503 N709FS
http://gtalexander.home.att.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=215580#215580
Message 12
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| Subject: | Re: torque on various bolts |
Cristal,
Don't forget that almost all torque values are listed in inch pounds.
I don't know about yours, but my torque wrench is measured in foot
pounds. 110 inch pounds converts to 9.16 foot pounds. Google inch pounds
to foot pounds to get a converter to use.
Larry C
----- Original Message -----
From: George Alexander
To: kolb-list@matronics.com
Sent: Friday, November 21, 2008 1:51 PM
Subject: Kolb-List: Re: torque on various bolts
<gtalexander@att.net>
cristalclear13 wrote:
>
>
> ====SNIP+++++
> I'm also going to replace the bolts and nuts on my propeller. I
found in my paperwork somewhere that they should be torqued to 110 in
lbs. Does that sound right? Those bolts are AN5-34A and I have a 66"
wood prop in case you're wondering.
Cristal:
Check with your prop manufacturer. It may vary mfg to mfg.
e.g. TPI with AN5 bolts calls for 144" lbs +/-15" lbs.
--------
George Alexander
FS II R503 N709FS
http://gtalexander.home.att.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=215580#215580
-------------------------------------------------------------------------
-----
Checked by AVG - http://www.avg.com
11/21/2008 9:37 AM
Message 13
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| Subject: | torque on various bolts |
Cristal... here is a link on my web sight that gives the torque values on
bolts. Taken from the Advisory Circular ac 43.13-1B acceptable methods,
Techniques, and practices--- Aircraft inspection and repair sept 8 1998.
Dept of Transportaion, FAA flight standard service regulatory support
division.
http://www.brigham.net/~byoung/torque.jpg
prop manufactures may have specific torque requirements.
Boyd Young
Kolb MkIIIC
Brigham City Ut
Please archive.
>>>>>>>>>>>>>>>>>>>
I am replacing the rubber engine mounts for my Rotax 503 on my Mark II.
Travis is sending me the new mounts. I thought I'd ask you guys what I
should be torquing those bolts to (that mount the engine on-not the mount
itself). The bolts are AN6-27A.
I'm also going to replace the bolts and nuts on my propeller. I found in my
paperwork somewhere that they should be torqued to 110 in lbs. Does that
sound right? Those bolts are AN5-34A and I have a 66" wood prop in case
you're wondering.
--------
Cristal Waters
Kolb Mark II Twinstar
Rotax 503 DCSI
Message 14
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| Subject: | Re: torque on various bolts |
Hey, forget google.
It is not that difficult. Just take inch pounds and divide by 12
to get foot pounds.
Gene
On Nov 21, 2008, at 6:20 PM, Larry Cottrell wrote:
> Google inch pounds to foot pounds to get a converter to use.
Message 15
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| Subject: | Re: torque on various bolts |
Ditto on use your prop makers spec when torquing the prop bolts.In these
days of tools available from darn near everywhere there's no excuse for
using a ft. lb. torque wrench to do in. lb. measures, especially trying to
do 9 ft. lb. to 12 ft. lb. Get a good 3/8" drive torque wrench calibrated in
in. lb. Whether it's a beam type or a click stop type is up to you. If
you're unsure try to borrow one and see which you like.
A word about wood props. Wood swells and shrinks with the moisture content
of the wood. This causes the prop bolt torque to change, mostly on the
loosen up side of things. Bad, very bad. Losing a prop or worse, part of a
prop can just ruin your whole day. One way to ameliorate the effects of
moisture content is the use of spring washers (otherwise known as Belleville
washers) between the bolt head and the cover plate for the prop.
http://www.casa.gov.au/airworth/awb/61/007.pdf
has a decent discussion of the use of Belleville washers. Try McMaster Carr:
http://www.mcmaster.com/
pages 1195 to 1197 as a source for them.
Rick
On Fri, Nov 21, 2008 at 7:14 PM, boyd <by0ung@brigham.net> wrote:
>
> Cristal... here is a link on my web sight that gives the torque values on
> bolts. Taken from the Advisory Circular ac 43.13-1B acceptable methods,
> Techniques, and practices--- Aircraft inspection and repair sept 8 1998.
> Dept of Transportaion, FAA flight standard service regulatory support
> division.
>
> http://www.brigham.net/~byoung/torque.jpg
>
> prop manufactures may have specific torque requirements.
>
> Boyd Young
> Kolb MkIIIC
> Brigham City Ut
>
> Please archive.
>
> >>>>>>>>>>>>>>>>>>>
>
>
> I am replacing the rubber engine mounts for my Rotax 503 on my Mark II.
> Travis is sending me the new mounts. I thought I'd ask you guys what I
> should be torquing those bolts to (that mount the engine on-not the mount
> itself). The bolts are AN6-27A.
>
> I'm also going to replace the bolts and nuts on my propeller. I found in
> my
> paperwork somewhere that they should be torqued to 110 in lbs. Does that
> sound right? Those bolts are AN5-34A and I have a 66" wood prop in case
> you're wondering.
>
> --------
> Cristal Waters
> Kolb Mark II Twinstar
> Rotax 503 DCSI
>
>
Message 16
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| Subject: | Re: torque on various bolts |
Gene,
I though so too, until I Googled it. I then found that
1 inch pound force = 0.0833333333 foot pounds
More about calculator.
And Rick, I have looked at all the local shops, not on the computer, and
have yet to find a torque wrench that measures inch pounds, for less
than $75.00. For that much I will do the conversion. Is too cheap a
reason?
Larry C Oregon
----- Original Message -----
From: Eugene Zimmerman
To: kolb-list@matronics.com
Sent: Friday, November 21, 2008 6:45 PM
Subject: Re: Kolb-List: Re: torque on various bolts
Hey, forget google.
It is not that difficult. Just take inch pounds and divide by 12
to get foot pounds.
Gene
On Nov 21, 2008, at 6:20 PM, Larry Cottrell wrote:
Google inch pounds to foot pounds to get a converter to use.
-------------------------------------------------------------------------
-----
Checked by AVG - http://www.avg.com
11/21/2008 6:24 PM
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