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0. 12:13 AM - What Are You Thankful For...? (Matt Dralle)
1. 06:22 AM - Re: paint blasting and stripping (llsbiii3@netzero.net)
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| Subject: | What Are You Thankful For...? |
Dear Listers,
Here in the United States, Thursday is our National day of Thanksgiving. Many
of us will be traveling to be with our families and friends to share in generous
feasts of plenty and giving thanks for many blessings that have been bestowed
upon us.
Many Listers have expressed over the last couple of weeks how thankful they are
for the Email Lists and Forums here on the Matronics servers and for all of the
assistance and comradery they have experienced being a part of the Lists.
One of my favorite kind of comments is when write to me and says something like,
"Its the first thing I do in the morning while I'm having my morning coffee!".
That's a wonderful tribute to the purpose and function of these Lists. Its
always great to hear I'm not the only one that jumps out of bed each morning
to check my List email!!
Won't you take a minute today and show your appreciation for these Lists and for
their continued operation and upgrade?
The List Contribution Site is:
http://www.matronics.com/contribution
Thank you in advance for your kind consideration,
Matt Dralle
Matronics Email List Administrator
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| Subject: | Re: paint blasting and stripping |
For stripping I used <?xml:namespace prefix = o ns = "urn:schemas-mi
crosoft-com:office:office" />
PR-3133 Alkaline-activated Benzyl Alcohol Stripper (smells of ammonia)
http://www.eldoradochem.com/
And
D-Zolve 15-33LO-R (mild smell)
http://solventkleene.com/strip.htm
I received a sample from.
http://www.m-tc.com/paint_stripper/aircraft_paint_stripper.htm
And Henkle Industries (Locktite) but they were not interested in dealing
with an individual consumer. Each of the chemicals worked similarly wi
th little difference between then, all were effective. The Benzyl Alcoh
ol based stripper is less hazardous the methyl-chloride strippers, but i
f left on bare skin could cause chemical burns. Eldora do Chemical has
a good de-paint article. Do not use auto parts aircraft stripper. Hydr
ogen embrittlement - that is the top and bottom of the spar you see in t
he wing. I looked for strippers with a Boeing, Douglas, etc. approval.
My first test was on the wing tips, I have the original round metal tips
. We did this on a warm rainy day in the summer. The old paint turned
to jelly, and was easily scraped off. A few days later when it was qui
te dry we applied to other areas. This was a mess it dried out and was
then harder to remove.
The most successful method was to apply the stripper and then spray with
water from a hand kitchen type spray pump and cover with industrial pol
yethylene cling wrap from Lowes. When it appears soft, use a brush with
a stiff plastic scrub brush, as would be used in a commode. Then reapp
ly more strippers. Scrub again then remove with a squeegee, and scrub w
ith a maroon scotch brite pad, and then wash. I finally bought a 2000 p
si portable spray washer to remove the remaining residue, much improved.
What paint that is left is primarily on the bottom surfaces. I used a W
agner electric spray painter, but the stripper ruined the painter. I us
ed a total of 10 gallons. I could now do it with less stripper by using
plastic wrap and water, and stripping small areas at a time.
Painting: so far I have painted the ruddrvators and ailerons with Sherwi
n Williams Jet Glo. I recommend finding someone willing to balance the
control surfaces before starting. I finally got John of Idaho State A&P
School to commit to balancing the surfaces once the shop A&P removed th
e surfaces. The parts book numbers and illustrations did not match the
weights that I found in the ruddervator, and Beech parts in <?xml:namesp
ace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /
>Wichita were NOT helpful. Luckily, I did not change the weight, even t
hough I had to paint the ruddervator twice to get the results I wanted.
All painting mistakes can be fixed, although it may require sanding the
offending mistakes.
Preparation for paint is the biggest part of painting. The actual paint
time is small in relation to the paint application. I have not decided
if I will do the painting my self or get a body shop guy by the hour.
I have difficulty with vertical surfaces with runs and sages.
I have some mag-prep left over.
I did marry my girlfriend that helped me strip the plane. She is a V-tai
led stripper!!!
Currently, I am polishing the top of the plane until I finish stripping
the remaining residue on the bottom. I may attempt to sell it before pa
inting and finish building the RV.
Anyone have knowledge of paint removal by blasting?
Thanks Sherman
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