No I think these were a lost wax casting, with post-machining……

Although others might say all Stirlings were forged on the same production lines as battleships! 😉

Stirlings – Never knowingly under engineered!

John

And some more progress; 4 variants of the throttle box Cam supports plus one test piece. More photos when completed

And moving forward, Cambridge Precision have been progressing the throttle box cam mounts and rudder pedal pintle. The photos below show the cam mounts in the process of being milled out; as you can see there is a phenomenal amount of waste material although this will be recycled :applause:

The other photo show the new P1 rudder pedal pintle above the existing P2 pintle, they are slightly different lengths due to the extra length being needed on the P1 side to accomodate the bellcrank driving the brake differential valve. This will be left slightly overlength as we’re uncertain on the correct length needed and will adjust the dimension to suit the installed bellcrank.

😀

Here’s a picture of just one of the modelled up throttle box cam mounts (4 off of 2 types of which there are LH and RH). As Kev mentioned above, these are being fabricated for us by Cambridge Precision in St Neots

John

Thanks for posting the update Kev. The Project is now making a lot more progress in areas which up till now have been difficult to resolve and you should start seeing more updates from us as and when we complete items.