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randy(at)shadycreekoutlaw
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 Posted: Thu Jul 13, 2006 9:29 am Post subject: Primer... Again... |
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This priming is getting way out of hand...
I decided to use NAPA (Martin Senour) 7220 self etching primer on my XL back in October 2005 when I first started building. At that time I was paying $2.98 per can from my local NAPA store... I bought a case of 6 cans... The next case of 6 I bought from the same store cost me $3.72... About 2 months ago, I bought another case of 6 cans from the same store and the price had rose to $4.78 per can... I thought this was outrageous... THEN this past Monday I called the same store and ordered another case of 6 cans... Today I went there to pick them up and the price was $6.72 per can!! WOW! In less than 1 year, this primer has gone from $2.98 per can to $6.72 per can, a 225% increase in 9 months!!
Has/Is anyone else using this same primer and experiencing the same issue??
Thanks in advance,
Randy
XL Wings - Plans Only
http://www.n344rb.com
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JAPhillipsGA(at)aol.com
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| Posted: Thu Jul 13, 2006 10:31 am Post subject: Primer... Again... |
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Randy, just a thought, but what are you spraying with all this primer ? You know I'm only a jake-leg builder, but I didn't use six cans of zinc chromate in the whole plane. Fact is I have a half full one at the hanger. Just how thick are you putting this stuff on ? Are you coming down to go flying this weekend ? If so, I'll meet you at the hanger early Saturday morning. (7:30ish) I need someone to test the brakes on the right side. Best regards, Bill
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frank.hinde(at)hp.com
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| Posted: Thu Jul 13, 2006 10:31 am Post subject: Primer... Again... |
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Yes but I have to ask what on Earth are you doing with all that primer? ZAC recomends painting the overlaping joints only...Which is what i did some 7 years ago and the last inspection showed the internals to be as sparkling as the day i assembled the joints. Even building the HDS from plans I think I used the equivilent of about 10 cans total.
Of course if you are priming all internal surfaces (live next to the ocean) I understand but the weight of that paint does add up.
Incidently, Van's recommends priming ALL surfaces of 6061-T6 for corrosion protection.....Guess I saved quite a bit of weight...And cost...by not doing so!
I guess I used 8 cans total in my QB RV7.
By the way if you think this is expensive, just wait till you get to buy real paint...About $250 to $450 a gallon for Polyeurathane, and the RV at least will use about 2.5 gallons...Gulp!
Cheers
Frank
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From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Randy Bryant
Sent: Thursday, July 13, 2006 10:23 AM
To: zenith-list(at)matronics.com
Subject: Primer... Again...
This priming is getting way out of hand...
I decided to use NAPA (Martin Senour) 7220 self etching primer on my XL back in October 2005 when I first started building. At that time I was paying $2.98 per can from my local NAPA store... I bought a case of 6 cans... The next case of 6 I bought from the same store cost me $3.72... About 2 months ago, I bought another case of 6 cans from the same store and the price had rose to $4.78 per can... I thought this was outrageous... THEN this past Monday I called the same store and ordered another case of 6 cans... Today I went there to pick them up and the price was $6.72 per can!! WOW! In less than 1 year, this primer has gone from $2.98 per can to $6.72 per can, a 225% increase in 9 months!!
Has/Is anyone else using this same primer and experiencing the same issue??
Thanks in advance,
Randy
XL Wings - Plans Only
http://www.n344rb.com
Do Not Archive
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john.marzulli(at)gmail.co
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| Posted: Thu Jul 13, 2006 10:31 am Post subject: Primer... Again... |
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No, but West Marine sells Zinc Cromate for ~$15/can. The new Wicks up in Arlignton sells it for ~$6/can
On 7/13/06, Randy Bryant < randy(at)shadycreekoutlaws.com (randy(at)shadycreekoutlaws.com)> wrote: | Quote: | This priming is getting way out of hand...
I decided to use NAPA (Martin Senour) 7220 self etching primer on my XL back in October 2005 when I first started building. At that time I was paying $2.98 per can from my local NAPA store... I bought a case of 6 cans... The next case of 6 I bought from the same store cost me $3.72... About 2 months ago, I bought another case of 6 cans from the same store and the price had rose to $4.78 per can... I thought this was outrageous... THEN this past Monday I called the same store and ordered another case of 6 cans... Today I went there to pick them up and the price was $6.72 per can!! WOW! In less than 1 year, this primer has gone from $2.98 per can to $6.72 per can, a 225% increase in 9 months!!
Has/Is anyone else using this same primer and experiencing the same issue??
Thanks in advance,
Randy
XL Wings - Plans Only
http://www.n344rb.com
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--
John Marzulli
http://701Builder.blogspot.com/
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dredmoody(at)cox.net
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| Posted: Thu Jul 13, 2006 11:07 am Post subject: Primer... Again... |
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Here in sultry southwest Louisiana, everything except glass and Lexan rusts like crazy....... We're 50 miles form the Gulf of Mexico but only 20 - 25 miles from salt marsh. We are also an agricultural area and the ag planes (corrosive fertilizer) use the same small airport where I hangar. I'm priming everything that overlaps or can't get painted when the plane is built.
I've been using self etching aviation green zinc oxide primer in rattle cans from ACS (at) around $7 per can. In fact after work today, I'm going to prime the ribs and spars of the left wing. It may be an overkill precaution but I'd rather do that and not regret it later. It may even increase the resale value when I have died form the fumes.
Ed Moody II
Rayne, LA
601XL / 2nd wing
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---- Randy Bryant <randy(at)shadycreekoutlaws.com> wrote:
| Quote: | This priming is getting way out of hand...
Has/Is anyone else using this same primer and experiencing the same issue??
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grs-pms(at)comcast.net
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| Posted: Thu Jul 13, 2006 11:07 am Post subject: Primer... Again... |
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FWIW;
I primed most of my interior surfaces with Mar-Hyde self-etching gray primer. It dries to a smooth finish and seems to stick very well. I scuffed the parts with Scotchbrite (watch the NY Times for disclosure of the secret color), washed them with dish detergent, wiped them down with lacquer thinner and sprayed the primer from a rattle can. The only drawback is the price of $16 per can.
George
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[quote] ---
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randy(at)shadycreekoutlaw
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| Posted: Thu Jul 13, 2006 11:27 am Post subject: Primer... Again... |
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Well, I'm a scratch builder, so I totally primed all the surfaces of my spars...something kit buiders don't have the option to do. I primed all of my wings ribs, aileron ribs, flap ribs, HS ribs, elevator ribs, insides of the skins on everything so far. On the skins, I put a really good coat where any of the ribs are joined to the skins, and the rest of the skin, gets "fogged"...just a light coat...
I've read, read and read again about priming, why to prime, why not to prime..etc... My priming may be over-kill, and I don't live close to the ocean, although there is quite a bit of rain here and it stays rather damp, but mostly I'm priming for my own peace of mind...
By the way if you think this is expensive, just wait till you get to buy real paint...About $250 to $450 a gallon for Polyeurathane, and the RV at least will use about 2.5 gallons...Gulp!
I'm not bitching about the "price", just curious as to why a 250% price increase in 9 months???
Randy
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JAPhillipsGA(at)aol.com
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| Posted: Thu Jul 13, 2006 11:27 am Post subject: Primer... Again... |
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Frank, that is 2.5 gallons of spray paint, right ? That is after mixing 4 to 1 with catalyst, shine enhancer, fisheye drops and adding reducer. I used less than a gallon of base paint to paint my XL, but with additives it worked out to about 1.7 gallons. I agree on the weight issue. Too much paint is a waste of fuel and speed and baggage carrying ability. I bought paint a gallon at a time, Best regards, Bill of Georgia
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randy(at)shadycreekoutlaw
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| Posted: Thu Jul 13, 2006 12:02 pm Post subject: Primer... Again... |
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That's basically the steps I take:
I wash my parts with Dawn dishwashing liquid, using scotch brite, then after it's all scuffed, I use a cloth to finish the washing, dry it off, and wipe it down with MEK, then spray the 7220 primer on it...
Again, I'm not really bitching about the price of the 7220... Just curious why in a 9 month span, the price increased 225%??? This was one of the most appealing things to me when I decided to use the 7220...price and the fact I could pick it up at my local store...
I mean, gasoline has increased a bit over 100% in cost over the past 2 years and you'd think it was the end of the world for some people...my primer has increased 225%...
Randy
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