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V2 mirage drive fin mast question
http://www.hobie.com/forums/viewtopic.php?f=11&t=49324
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Author:  staktup [ Sun Sep 15, 2013 6:39 pm ]
Post subject:  V2 mirage drive fin mast question

the masts on my brandy new V2 drive are screwed on very tight. Before I spray and penetrating oil between the mast and brass insert, is there anything I am not doing right to remove them? I figure the flat spot on the shaft is for my wrench. Thanks!

Author:  mmiller [ Mon Sep 16, 2013 9:02 am ]
Post subject:  Re: V2 mirage drive fin mast question

Yes, the flat if for a wrench. They are installed with Loc Tite, so if swapping out for Turbo length... use the Loc Tite when re-installing.

Author:  staktup [ Tue Sep 17, 2013 5:28 pm ]
Post subject:  Re: V2 mirage drive fin mast question

Thanks Matt. One more ques: do I have to upgrade the drums too or can I just upgrade the sprockets and masts on my V1s? Tx!

Author:  mmiller [ Wed Sep 18, 2013 2:33 pm ]
Post subject:  Re: V2 mirage drive fin mast question

Drum upgrade is not "required", but added stress from Turbo fins will stress the adjustment holes in the drum. Be sure the adjustment pin is fully seated. Avoid really stomping on the pedals. Possibly consider bolting the pedal in place if you know what setting you use and don't share the drive.

Author:  P14WD [ Thu Jan 29, 2015 4:23 am ]
Post subject:  Re: V2 mirage drive fin mast question

Hi Matt,
I tried to unscrew my fin mast from my TI's V2 drive. I sprayed RP7 into the brass insert but when I tried to unscrew the mast I found that instead of the mast coming loose, the brass insert started to rotate in the sprocket shaft. My drive is less than 2 years old.
This was the second fin mast I was trying to remove. The first unscrewed as described in your maintenance instructions on this forum - albeit with some initial effort to overcome the loctite.

I am now worried that this drive will fail when I am out at sea.
What can be done about it?

Author:  mmiller [ Thu Jan 29, 2015 9:22 am ]
Post subject:  Re: V2 mirage drive fin mast question

Contact your dealer to file a warranty claim for the sprocket. They likely used too much loc tite when assembled here at the factory.

Author:  P14WD [ Fri Jan 30, 2015 5:00 pm ]
Post subject:  Re: V2 mirage drive fin mast question

Thanks for the fast reply Matt.

Author:  ChangeMan [ Sun Feb 01, 2015 7:54 pm ]
Post subject:  Re: V2 mirage drive fin mast question

And why are we happy to be Hobie owners? :P

Author:  rwehuman [ Tue May 19, 2015 4:44 pm ]
Post subject:  Re: V2 mirage drive fin mast question

2014 (August) Mirage Oasis tandem.
Same issue, the mast spins the brass, first mast came out fine.......Memorial day weekend is 3 days away........... we had a bunch of time on the water planned.
That said should I take apart the entire Mirage drive?
Boooooo QC Dept.

Author:  mmiller [ Tue May 19, 2015 4:55 pm ]
Post subject:  Re: V2 mirage drive fin mast question

Easy fix with a new sprocket or use what you have for the weekend.

The Loc Tite does it's job a little too well, but bent masts and corrosion could also contribute to the issue.

Author:  rwehuman [ Tue May 19, 2015 5:06 pm ]
Post subject:  Re: V2 mirage drive fin mast question

is there an exploded parts diagram anywhere? what is the brass seated in? what is the plastic hiding that I cant see? where do I start to get to the sprocket?

Author:  mmiller [ Tue May 19, 2015 5:12 pm ]
Post subject:  Re: V2 mirage drive fin mast question

Parts and accessories catalog. In the back is parts diagrams.

http://cdn.hobiecat.com/digital_assets/87367027-international-kayaking-parts-catalog.pdf

Page 44.

81129001 SPROCKET V2 - THREADED W/GUARD $18.99 (USD / USA 5-2015)

Image

Brass is embedded and cannot be replaced, but if the mast is in solid, does not effect its use if just spinning.

Dealer finder at the top right of this page: http://www.hobiecat.com/dealers/

Author:  rwehuman [ Tue May 19, 2015 5:53 pm ]
Post subject:  Re: V2 mirage drive fin mast question

Thank you for the pic, that is very helpful.
The brass spins when I turn the mast.
I can not remove the stock mast. looks like I have to remove the sprocket. ;(

Author:  rwehuman [ Tue May 19, 2015 6:59 pm ]
Post subject:  Re: V2 mirage drive fin mast question

2.815" Original mast fits snugly can remove by hand or re-seat by hand once you break loc-tight.
2.835" ST Turbo mast #1 wont start at all...
2.825" ST Turbo mast #2 starts but wont run in by hand like the original


So normally a one hundredth of an inch does not matter even two hundredths , in horse shoes vs. hand grenades you have a couple of hundredths to play with and don't loose much. In ST Turbo masts and its sprocket those hundredths of an inch are a whole other ball of wax (or loc-tight.) So the mast being a weird shape not to mention I want to be on the water this weekend, I thought I would ask the right way to deal with this size in consistency. tap? Die? what size exactly? small pipe wrench and force it in crossing your fingers the threads line up? you tell me... : )


Between the spinning brass in the sprocket and this good job QC department.......good job.......

Image

Image

Image

Author:  rwehuman [ Tue May 19, 2015 7:53 pm ]
Post subject:  Mirage Drive ST Turbo upgrade MAST issues.........

2.815" Original mast fits snugly can remove by hand or re-seat by hand once you break loc-tight.
2.835" ST Turbo mast #1 wont start at all...
2.825" ST Turbo mast #2 starts but wont run in by hand like the original


So normally a one hundredth of an inch does not matter even two hundredths , in horse shoes vs. hand grenades you have a couple of hundredths to play with and don't loose much. In ST Turbo masts and its sprocket those hundredths of an inch are a whole other ball of wax (or loc-tight.) So the mast being a weird shape not to mention I want to be on the water this weekend, I thought I would ask the right way to deal with this size in consistency. tap? Die? what size exactly? small pipe wrench and force it in crossing your fingers the threads line up? you tell me... : )


Between the spinning brass in the sprocket and this good job QC department.......good job.......

Image

Image

Image


Spinning brass. What a P.I.T.A.

https://youtu.be/rgSuGxuVdkc

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