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Steve & Nancy Riffe
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Date:  2-24-2016
Number of Hours:  2.00
Manual Reference:  
Brief Description:  Re-do of CB-1008B stiffener

Post 2. While resin was curing on the nose, I began working on the baffles. I had previously riveted on some doublers and one stiffener angle. Originally, I thought these plans were quite detailed, but some of the directions leave a bit to the imagination (quite a bit). I saw a tip on Bill Crissinger’s kitlog regarding the oval cuts in the stiffener angles. Last year I had riveted on one of the angles and had matched the cut out in the angle to the baffle itself. No mention in the plans, but the cut in the angle has to accommodate a tinnerman washer—thus it must be larger than the oval in the baffle. I opened the cut in one angle, but the other angle had been riveted last year. I drilled out the 5 rivets, opened up the cut in the angle and riveted it back to the baffle. Things like this could easily be noted in the plans to avoid the extra work. Thanks to Bill, I only had to re-do just one angle—(should have checked his log last year). He also pointed out another gotcha regarding the oil cooler mounting location—better leave it untouched until the #4 baffle is in place and the trim line to allow for the upper cowl is determined. Otherwise, the oil cooler may be mounted too high and have to be re-done. The plans don’t give dimensions for the exact location—says to mount as high as possible for best cooling. Well, high as possible means you get to order new parts and try again. Another issue I found was the CB-701D Fwd center bracket. Plans show to attach using engine bolts. Well, these bolts are ¼”, but the pre-drilled hole is 9/32”—huh? The rear bracket has ¼” holes and fits nicely. I suppose I’ll fab my own bracket with the correct hole diameter.
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Baffles #3 & #4 match drilled & clecoed together

Baffles #3 & #4 match drilled & clecoed together

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Notice the larger cut in the angle to allow for tinnerman washer

Notice the larger cut in the angle to allow for tinnerman washer

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Fwd center bracket--kit came with oversized hole

Fwd center bracket--kit came with oversized hole

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