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Rudder carnage

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Jon
 Jon
(@Headhunter)
Posts: 247
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Topic starter
 
[#3024]

Well that's your problem right there...


 
Posted : June 18, 2012 5:16 am
(@benedict)
Posts: 248
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That there is enough to make a grown man cry.

Tom


 
Posted : June 18, 2012 6:22 am
(@klozhald)
Posts: 1461
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Makes me appreciate how thin those castings can get in places...


 
Posted : June 18, 2012 9:11 am
MN3
 MN3
(@mn3)
Posts: 7090
Member
 

mystere castings are made from empty molsen cans and elmers glue.

i have gone through a few sets myself

Edited by MN3 on Jun 18, 2012 - 03:41 PM.


 
Posted : June 18, 2012 9:40 am
(@erice)
Posts: 1419
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makes me appreciate my old heavy 80's nacra castings


 
Posted : June 18, 2012 11:46 am
(@dichtbijzee)
Posts: 133
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Aren't those 1st gen H18 castings?


 
Posted : June 18, 2012 5:14 pm
Jon
 Jon
(@Headhunter)
Posts: 247
Mate Registered
Topic starter
 

dichtbijzee wrote: Aren't those 1st gen H18 castings?

Stock Mystere 6.0.


 
Posted : June 19, 2012 12:47 am
(@benedict)
Posts: 248
Member
 

Hey, this raises a question I've been pondering:

At some point I may break a rudder housing. I hope not. I never have before. But if an when the day comes, I'm kinda screwed. Not too many P-Cat housings lying around.

But I work in a machine shop. Structurally, it seems like a win to make a new housing out of two side plates and a central "spine" where the rudder pin goes. It could be a weldment or a bolt-together. Either way would work. This would also open up a lot of choice in materials. Even staying inside the aluminum family, using something like 7075 or 6061 that's been lightweighted on the mill would make for a light housing that's unlikely to crack like that.

Aside from class rules issues (which I don't really run into with a cat this old) are there any unseen problems doing this?

Thanks,

Tom


 
Posted : June 19, 2012 6:34 am
MN3
 MN3
(@mn3)
Posts: 7090
Member
 

Aside from class rules issues (which I don't really run into with a cat this old) are there any unseen problems doing this?

if you got da skills, time and gear... it is a win for sure.

i was at dinner last night with a friend who was a spar builder/welder. He is currently borrowing one of my spare upper castings because his blew out just like Headhunter's did.

He wants to build a jig and make some but he doesn't have the time.. and if he did you are still talking a 6 - 10 hours to get the prototype out of the jig.... He would have to make / sell many sets to justify the time needed... and he isn't in the rudder business (anymore)


 
Posted : June 19, 2012 8:47 am
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