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Tom..
Should I cover the lightning holes in the front bulkhead of the fuse to keep wind blast out of the interior?
I have already covered the bulkhead bottom, behind the muffler, and made a false firewall.
I will be using a 3W75i. (rear induction).
Many thanx....croz

rctom

Good question. I assume we are talking about a Giles here, but the answer also applies to our big Extras.

The notion that there will be an air current through the fuse is incorrect. Even with the holes open, the air has nowhere to go in the fuse, so there is no airflow to speak of unless you open up a hole in the covering farther back.

What you do get with the F1 holes is some air pressure inside the fuse. We have never had a report of the covering blowing off the fuse, so it does not appear to be very much pressure.

If using canister mufflers one would need the holes to allow cooling air to reach the mifflers.

So my answer is, do what you prefer. It does not seem to make any difference either way in this case.

TF