Change May Be Good – But Be Careful
In the following situations each converter builder made what he believed to be a single change. For each of them, the change did not seem to cause any problems at first. Unfortunately, devastating long-term consequences occurred in both situations because they failed to realize that they had made more than one change.
The Proper Surface Finish for Bonding (an Eye Opener)
Choosing the correct surface finish for bonding can be controversial. Some rebuilders claim you can bond to a surface as smooth as glass, provided the bond-line temperature and the compression pressure are correct. Others claim that a very rough surface finish is needed for a good bond. The finish of a machined surface is rated on a roughness-average (RA) scale.