Torque tube...what's this?
Posted: Sat Aug 09, 2025 11:43 am
I don't recognize nor can fully make out the stamping on the torque tube flange..... anyone?
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Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 11:48 am
Patented? Maybe?
Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 12:22 pm
I'll second "PATENTED"...
Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 12:36 pm
Whatever it is; the tube has been brazed, either to seal a leak or join two pieces from different tubes.
Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 1:14 pm
Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 2:18 pm
Since there dont appear to be rivets, which would have been brazed also, must been brazed only. I wouldnt assume it was repaired.
I have seen these early DS tubes cracked @ this joint.
I have seen these early DS tubes cracked @ this joint.
Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 2:32 pm
Looks very authentic to me.
Re: Torque tube...what's this?
Posted: Sat Aug 09, 2025 5:59 pm
It's an early 2 piece tube
Interesting as to why it would have been stamped Patented.
Thanks...it's obvious now.... Doh!
Interesting as to why it would have been stamped Patented.
Thanks...it's obvious now.... Doh!
Re: Torque tube...what's this?
Posted: Mon Aug 11, 2025 3:49 pm
The stamping goes over the brazing. My 'guess' here is someone with humour did the fix and said 'I will patent that repair 
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