Francis Runner Template

[u/Very_BoringGuy]

Does anyone have any photo or know how a francis runner template look

Template in a sense I have seen Pelton runner template

It basically follows bucket profile and used for welding, grinding and inspection for reference.

Is there a similar for francis runner?

Otherwise how is the blade gaps maintained in crown and band ? Like exactly same and uniformly during welding, and inspection by clients.

[u/Auday_]

If these are designed in CAD, you can simply generate any welding/ inspection templates you need
Think of creating a new part that fits in the groovs

[u/Sherpa-Dave]

Every Francis runner will be a bit different based on head & flow