what do you think of drilling a few 25mm holes in the ends of the form, allowing the heat to escape out the sides?
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Forum LongTimerBard Award Winner
GSResource Superstar
Past Site Supporter- Jul 2005
- 15152
- Marysville, Michigan
Originally posted by Matchless View Post
I was thinking of using a pair of gloves to push/droop it manually over the mold when it just becomes flexible instead of waiting for it to gravity droop mold, thus staying as far as possible from the bubble forming temperature range.
I can get a sheet of 4mm Asbestos cement 900mm x 2400mm that is used in ceilings and intend making a box for the oven from that with 6 pieces of 900mm x 400mm. I am worried that the height of the 3 KW element above the Naxel may allow less even heat to the outer edges and without a fan may cause the center to become hotter than the outer part and cause bubbles.
what do you think of drilling a few 25mm holes in the ends of the form, allowing the heat to escape out the sides?Last edited by rustybronco; 03-04-2011, 05:20 PM.
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Matchless
Dale,
Thanks for the feedback. Yes, I agree the paint will be too risky.
My biggest concern at the moment is having a "hotspot" in the oven which will obviously be at a higher temperature than the surrounding area. A convection fan would have sorted that out, but I want to stay simple and frugal as this is just a one off.
I will try a test bend on a bit of scrap Naxel this week, hopefully that will help me in the right direction.
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Andre..simply amazing that it has made it half way aropund the world from Michigan, USA!!! Gonna look great on the bike . Cant wait for the final mounted pics!! My pleasure to have been able to help make the dream come true, by the way.MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
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Matchless
Originally posted by chuck hahn View PostAndre..simply amazing that it has made it half way aropund the world from Michigan, USA!!! Gonna look great on the bike . Cant wait for the final mounted pics!! My pleasure to have been able to help make the dream come true, by the way.
Chuck,
As you have seen it is slowly coming together. I trimmed the Type IV lowers today to fit the Windjammer V and managed to get the rubber wellnuts here as well.
This coming week I will get the rest of the Decals done, then I can sand down the rest of the parts for spray prep.
I have had quite a few people admiring the fairing as they were not very common around here and mostly found on the Goldwings of the era.
If it was not for you and Dale this would not have been possible!
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Matchless
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Runningdog
If you are concerned about the wood pattern transferring onto the screen material during heating, consider using bakers parchment as a pad...good to 200C, cheap.
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Flyboy
You really are putting in some good work there Andre, I can not wait to see it all done and on the bike, it is going to be a looker for sure.
I am just curious as to why you decided to go with 5mm, is it not a bit thick?
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Forum LongTimerBard Award Winner
GSResource Superstar
Past Site Supporter- Jul 2005
- 15152
- Marysville, Michigan
Originally posted by Flyboy View PostI am just curious as to why you decided to go with 5mm, is it not a bit thick?
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Matchless
Originally posted by Flyboy View PostYou really are putting in some good work there Andre, I can not wait to see it all done and on the bike, it is going to be a looker for sure.
I am just curious as to why you decided to go with 5mm, is it not a bit thick?
I have been wondering if a thinner bit would not be better, but not sure how it would stand up. Do you have any thoughts on this?
I am also looking out for a set of snapvents. Do you know of any place here that may stock them?
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bakers parchment is the paper that bakers put on a baking sheet to bake rolls and cookies and stuff to keep them from sticking to the metal pans..probably available at any local bakery. They may just give you a good sized chunk when you ask.MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
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Matchless
Originally posted by chuck hahn View Postbakers parchment is the paper that bakers put on a baking sheet to bake rolls and cookies and stuff to keep them from sticking to the metal pans..probably available at any local bakery. They may just give you a good sized chunk when you ask.
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I made a boat windshield out of acrylic. I used the old broken one as a mold. I roughed the old one back together with screws and plywood reinforcing ribs. I covered the whole thing in felt and laid the acrylic on top. There was no "pattern transfere" the windshield was crystal clear.
At the time had access to a 12 by 12 foot walk-in oven that was used to make skylights.GSX1300R NT650 XV535
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Matchless
Originally posted by derwood View PostI made a boat windshield out of acrylic. I used the old broken one as a mold. I roughed the old one back together with screws and plywood reinforcing ribs. I covered the whole thing in felt and laid the acrylic on top. There was no "pattern transfere" the windshield was crystal clear.
At the time had access to a 12 by 12 foot walk-in oven that was used to make skylights.
Very interesting. Did you keep the mold (old windshield) outside the oven and heat the acrylic sheet only? Can you recall how you did it exactly with any periods and temperatures?
Thanks!
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Matchless
Today the decals for the sidecovers, tailpiece, Windjammer lowers and Bagman were done. The tank will be done a bit later.
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