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In the Forum: Horn-Loaded Speakers
In the Thread: Rakeshorns

Post Subject: Potential issuesPosted by jessie.dazzle on: 12/9/2011

Rakesh,

Two things I see that may or may not turn out to be an issue:

1) The relatively narrow stance of the front wheels; depending on how heavily you load the top of the frame, stability could be a bit on the limit when moving things around, especially on carpet. You will also very likely end up slightly shimming one side in order to get the mast completely vertical (you will be dealing with French floors...); jacking one side to shim it can be a bit tedious with a narrow stance.

2) The casters you selected are of the stem-mount variety; keep them tight! If they start backing out, the stem bends when pushing around the heavily loaded structure, again especially on carpeted floors, especially if there's a lot of padding. The bent stem then jams the steering function of the casters. Nevertheless, really good stem-mount casters will withstand this sort of abuse, in which case the caster mounting plate and mounting bore must also be up to the job. I wouldn't expect any catastrophic failures here but the plate might work loose over time. Above all, don't use the stems to level the frame; screw all stems in until the upper bearing races firmly contact the frame mounting surfaces; use shims between the wheels and the floor to make it all stand up straight.

jd*

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