I’d say you probably want a load of flux and to get more heat into those rack mounts rather than the tube. They’ll take much longer to get up to temperature.
If it’s blobbed on and not wetted out then I don’t think it’ll have made a good bond. Give it a light whack and see if it sticks perhaps
Have you got a bronze flux as well as one for silver?
Ah ok, you did them with Silver, I remember you saying now. Yeah you should only need a dull red glow on the parts.
But yeah, plenty of flux, you can’t really use too much, it’s just more to clean off is all.
The fender eyes and second lot of bottle bosses look pretty clean!
I’d say you probably want a load of flux and to get more heat into those rack mounts rather than the tube. They’ll take much longer to get up to temperature.
If it’s blobbed on and not wetted out then I don’t think it’ll have made a good bond. Give it a light whack and see if it sticks perhaps
Have you got a bronze flux as well as one for silver?