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G-11 Gearbox Replacement

 

The RA gearbox on my G-11 from 2011 finally broke at one of the plastic tabs.? Can Brian or someone else with Losmandy confirm that the currently shipping replacements have the metal rivets?? The picture on the Losmandy web site looks like it is the old plastic design.

Thanks,

Russ
 

Hi Russ

can you shoot me an email to techsupport at - i can check that tomorrow. if you can send a pic of which part broke i can confirm that

i don't think the design has changed recently, but 2011 is a long time ago



On Sun, Sep 13, 2020 at 10:04 AM Russ Hunter <russ@...> wrote:
The RA gearbox on my G-11 from 2011 finally broke at one of the plastic tabs.? Can Brian or someone else with Losmandy confirm that the currently shipping replacements have the metal rivets?? The picture on the Losmandy web site looks like it is the old plastic design.

Thanks,

Russ



--
Brian?



Brian Valente
portfolio

 

Brian,

I'll send you an email.? For reference, I found this link at the Gemini 2 site and some discussion on Cloudy Nights about it.? My gearbox looks like the "old" one at the link.



I dont have the gearbox off as only one of the plastic "rivets" has broken and its still somewhat functional.


Russ
 

Got it, yes i was looking at that too

i'm 99% sure we have the new ones, but i just?want to confirm with Scott

On Sun, Sep 13, 2020 at 11:27 AM Russ Hunter <russ@...> wrote:
Brian,

I'll send you an email.? For reference, I found this link at the Gemini 2 site and some discussion on Cloudy Nights about it.? My gearbox looks like the "old" one at the link.



I dont have the gearbox off as only one of the plastic "rivets" has broken and its still somewhat functional.


Russ



--
Brian?



Brian Valente
portfolio

 

Ok.? I sent you an email at work.? Talk to you tomorrow.

Russ
Keith N
 

FWIW, I just got a new pair of gearboxes direct from Losmandy a few weeks ago, and yes they are the metal rivets.

Keith
 

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I had a gear box separate like you describe -? the plastic section separated from the metal base plate.

?

I repaired the unit by doing the following¡­.

?? Drill through the plastic to remove the tabs that fit into the 3 mounting holes.

?? Use three (3) ? inch long flathead screws ?(about #3?) to go through the plastic side ¨C into the metal base.

????? (Use a screw that would fit into the existing if the threads were ground off¡­? A steel screw will work better than a brass screw ¨C because the brass screw threads won¡¯t do much ¡®cutting¡¯ into the metal base plate of the gearbox.)

?

I used a spare screw several times to give some measure of ¡®threading¡¯ the hole.?? THEN ¨C used new screws to hold the unit together.

?

I think I got maybe 2 to 3 complete turns of thread engagement, and the result is probably a lot stronger than the plastic tabs.

?

Repaired unit operates nicely.

?

Michael Vineyard

Bremerton, WA?

 

I ordered 2 new ones from Losmandy.? They confirmed that they do use metal rivets in them now.? I may try to repair the broken one as you suggest Michael.

Russ
 

On Tue, Sep 15, 2020 at 04:43 AM, Russ Hunter wrote:
I ordered 2 new ones from Losmandy.? They confirmed that they do use metal rivets in them now.? I may try to repair the broken one as you suggest Michael.

Russ
Or you could use the McLennan equivalent. They have are steel back and front.

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