Horn and Whistle Forum International

“Ooh double diaphragm!”

No different than other old cast P5’s.

Very nice! Love the detail painting.

The K24 (two four) is indeed a marine horn, and the 4’s were bored out to the advertised note, which is much closer to a 90’s 4A. Canadian 4’s are very sharp.

There was only ever one sand cast K5LA, that being the prototype. Story is it was stolen on its maiden run never to be seen again.

Looks really good! What technique did you use?

They don’t manufacture them. They buy them from Nathan/Micro Precision, paint them red then resell them.

KATO unitrack is about the best sectional track there is. No rail jointers to mess with the electrical connector is under the rail.

I suppose the legendary 'big bore' 5 bell was confusing me as presumably that still played the same pitched note after it became small bore, and I have to assume that would be down to bore depth being altered, or throat length? The big bore K #5 bells are a tad bit shorter. The newer small bore 5 b...

The smaller the bore diameter, the higher pitched the note. The larger the bore diameter, the lower the pitch. Notice that the P bells are much longer than the K bells. The reason for the P horn squeak or buzz is the fact there is no metal to metal contact inside the P horns. The rubber nozzle allow...

Sand cast horns remained in production in Canada until the early/mid 1980’s. After Holden stopped producing K horns all K’s were die cast by Nathan in the US, and subject to their terrible quality control.