RENTZ Model Engine Spark Plugs by Roger Ronnie, SD
These 1/2-scale reproductions function exactly as their full-size counterparts. The center electrode could be lifted (left) to intensify the spark for carbon removal.
See Our Miniature Spark Plug Collection at: www.flickr.com/photos/15794235@N06/albums/72157651839098937
See Our Miniature Engine Collection at: www.flickr.com/photos/15794235@N06/albums/72157602933346098
Visit Our Photo Albums at: www.flickr.com/photos/15794235@N06/sets
Courtesy of Roger Ronnie
Paul and Paula Knapp
Miniature Engineering Museum
RENTZ Model Engine Spark Plugs by Roger Ronnie, SD
These 1/2-scale reproductions function exactly as their full-size counterparts. The center electrode could be lifted (left) to intensify the spark for carbon removal.
See Our Miniature Spark Plug Collection at: www.flickr.com/photos/15794235@N06/albums/72157651839098937
See Our Miniature Engine Collection at: www.flickr.com/photos/15794235@N06/albums/72157602933346098
Visit Our Photo Albums at: www.flickr.com/photos/15794235@N06/sets
Courtesy of Roger Ronnie
Paul and Paula Knapp
Miniature Engineering Museum