The Dr.1 cowl had a wire that secured it to the firewall. Can someone please post or provide links to pictures showing this particular detail?

Here is a great reference on all things Fok. Dr.I. Its worth digging around here.

http://www.fokkerdr1.com/

Thanks Stephen for the link. I've been going thru the site and from what I could see, no closeups though, looks like a very thin wire along the cowl and a couple of clips.

Essentially thats true. The cable was meant to apply tension to the circumference. The cowling has a furrow at the trailing edge that overlaps the fuselage. This is Roy Houchin's photo of Ross Walton's replica.

Stephen
Great shot, just what I need. Thanks.