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Old 07-26-2015, 10:27 AM   #29
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1971 21' Globetrotter
Arvada , Colorado
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Yes, it's a high quality metal cutting hole saw, they are available thru McMaster-Carr under hole saws. They cut a very round hole. Unibits are also very handy for opening up holes, but when a Unibit is used to open up two misaligned holes you remove material from both surfaces. With a Rotobroach you will only remove material from the aft surface. Either approach works, it doesn't really matter which method or tool is used, you just want to get the job done in the most efficient manner available to you.

Unlike most of the members here, I didn't have to go out and buy a bunch of expensive special tooling to work on my Airstream as I already had them for my day to day pay the mortgage job.

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Old 07-26-2015, 10:57 AM   #30
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Arvada , Colorado
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Here ya go

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Old 07-26-2015, 02:46 PM   #31
Restorations done right
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1962 26' Overlander
1961 26' Overlander
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thank you for the links but I ordered a set first thing this morning. I only need a half of an excuse to buy a new tool...
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Old 12-17-2015, 09:49 AM   #32
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1973 23' Safari
1970 27' Overlander
Boerne , Texas
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My new axles are slightly wider than the old ones. Any suggestions on how to widen the notch on the frame? have the welder burn it? grind it? Cut with a cut-off wheel?

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Old 12-17-2015, 12:38 PM   #33
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1994 30' Excella
alexandria , Kentucky
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I assume your referring to the axle tubes. I have used an angle grinder to do this job in the past.
Steve, Christy, Anna and Phoebe (Border Collie)
1994 Classic 30'11" Excella - rear twin
2009 Dodge 2500, 6 Speed Auto, CTD, Quad Cab, Short Bed
Hensley with adjustable stinger
WBCCI # 3072
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Old 12-17-2015, 08:40 PM   #34
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1976 25' Caravanner
Salt Lake City , Utah
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I recently did this using a reciprocating saw with metal blade and then grinder to finish up. Just make sure you modify the rear of each notch. Also a good idea to pick a constant point somewhere and check the finished job for squareness and alignment.

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