Rust spots on GS OTA

[avandonk]

Sorry could not help myself.

Bert

[Starkler (Geoff)]

Would anyone really go to the trouble of stripping back the paint and doing special treatments? I think the ota should well outlast the base .

[davidpretorius]

Originally Posted by Starkler

Would anyone really go to the trouble of stripping back the paint and doing special treatments? I think the ota should well outlast the base .

to be honest, no

a few minor conversions of rust and paint that area should be about the extent of it.

[ballaratdragons (Ken)]

Originally Posted by Starkler

Would anyone really go to the trouble of stripping back the paint and doing special treatments? I think the ota should well outlast the base .

I am going to. Seeing as my 12" will probably have to last me the rest of my life I want to make sure it's always in good nick. I don't mind doing it, especially in the lousy viewing months.

[acropolite (Phil)]

I can see a market for Mick's non rusting custom painted replacement dob tubes.

[Starkler (Geoff)]

Replacement dob tubes?
Make mine aluminium

[davidpretorius]

yes, aluminium is the best!

Originally Posted by Starkler

Replacement dob tubes?
Make mine aluminium

If you ever come across someone manufacturing aluminium tubing big enough.
let me know as I'm keen at looking into that. Not really because the rust
issue but my OTA fell over in the wind one day and bent the OTA tubing,
now it a real pain to rotate in the rings

regards,CS

[davidpretorius]

i have mentioned to Mick Pinner i think, if not i shall.

birds is great, aluminium and also a rotating section for where the focusser is!!

very nifty!

[barees63]

FWIW, I can add my GSO 10" to the ranks of rusty dobs, Mine is basically new, stored in a room with a dehumidifier but already has rust appearing in various places.. I not too upset yet, just thought I'd add a datapoint. (btw, I see the new Antares scopes, which are GSO in US I believe, have aluminium tubes).