carlossa52(at)gmail.com
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 Posted: Fri Sep 27, 2013 6:30 pm Post subject: Twist Avoidance |
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I used a clear hose with water to rig my CH601 fuselage.I also used an old fashioned bubble level for smaller stuff.
I have a laser level, but haven't had much success with it (possibly because it isn't a top quality device)
Carlos
CH601-HD, plans
On Friday, September 27, 2013, Perry Delano wrote:
[quote]
The 12’ X 2.5’ work bench I use to build on is a very stiff structure on casters. It has some twist in it that would be a big job to take out if not impossible. In the past I have jacked the table then shimmed 2x2 Aluminum tubing laid perpendicular the long axis of the table to have level supports on which to build. The latter is a cumbersome procedure and is exaggerated by a sloping garage floor. I did weld up some screw jack levelers for the table that hold it steady and get it near level but I still need to address the twist. I have flipped the R wing, right side up and want to drill and cleco the nose skin and leading edge of the upper rear skin to the spar but I want to ensure the 2x2’s are level in the X and Y before starting.
I fear a 4 foot level is not accurate enough as I would have to either attach it to a longer “straight beam” or level in increments along the length of the table. I have thought about buying or renting one of those self leveling lasers, using an optical level and even a piece of clear tube filled with water or some other fluid. I may be over thinking this for a CH-701, so I wanted to see what others have done to ensure they are building on a level surface.
Regards,
Perry Delano
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