There is one on barnstormers for $700. I am not associated with it. Just saw it for sale.
Axel RV-4 fastback thread RV-4 fastback Pics West Coast Ravens
VAF 2017 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.