Using timing to gauge distance travelled 

Great video. Professional and informative

Hi, We're really pleased with the feedback on our videos and are in the process of filming a whole new range which will be available on our new Shaven Raspberry RU-vid channel (just click on our logo to the left and hit subscribe. These timing cards and other navigation tools are available on our website at: shavenraspberry.com/shop/navigation-aids/navigators-timing-card/

cool stuff mate thank you

This is good to know thanks.

Great vid, very useful thank you much. I have found timing cards available at shavenraspberry they are really good quality.

This is good info to know, thanks for sharing. BTW....where can I get one of the cards he has? Take Care :-))

Where can you get the card ?

The shavenraspberry website.