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-   -   Re-chromed rotor housings (https://rotarycarclub.com/showthread.php?t=7212)

Whizbang 11-18-2009 08:25 PM

well i have been saving my rotor housings.

glassman 11-18-2009 10:18 PM

Here's some pics of the housings from my engine on tear down. I'm going to see how these come out but we have some others to try too. The flaking on the edges from the wedge trace hopefully is not too deep. I've marked the housings SFD01 and SFD02 so we can compare after they are re-chromed. The scratches seen in the pics are what I would consider acceptable for re-chrome, as long as the steel underneath is good.

http://img.photobucket.com/albums/v4.../DSC03690a.jpg
http://img.photobucket.com/albums/v4.../DSC03687a.jpg
http://img.photobucket.com/albums/v4.../DSC03691a.jpg
http://img.photobucket.com/albums/v4...e/DSC03692.jpg
http://img.photobucket.com/albums/v4.../DSC03693a.jpg
http://img.photobucket.com/albums/v4...e/DSC03694.jpg
http://img.photobucket.com/albums/v4...e/DSC03695.jpg
http://img.photobucket.com/albums/v4.../DSC03698a.jpg
http://img.photobucket.com/albums/v4.../DSC03699a.jpg
http://img.photobucket.com/albums/v4.../DSC03700a.jpg
http://img.photobucket.com/albums/v4.../DSC03701a.jpg

Whizbang 11-19-2009 10:30 PM

so flaking is fixable essentially?

glassman 11-20-2009 01:00 PM

It is subjective as to whether flaking is repairable or not. If the steel underneath the flaked area is pitted and rusted then that will translate into the chrome when re-applied. Really we will need to strip a bunch of flaked housings to see how they look in the flaked area compared to the rest of the insert. On an old 4 port housing I have the flaked area was evident once stripped but housings recently taken from service may not show this problem as the flaked area hasn't had time to degredate.

2gslse 12-03-2009 06:46 PM

When are you planning on starting production? have you decided pricing yet?

glassman 12-06-2009 11:11 AM

Well we hope to get it off the ground over the winter. There is still some challenges with our fixture but we are working out the bugs one at a time. Pricing will depend on how well the fixture works, if we can get things going smoothly with fast changes to the next pair this will keep costs down. Our goal is around half of new, hopefully we will hit that mark.

Nismo 12-06-2009 11:18 AM

Are you testing with Steel Seals, or just your Ceramic?

glassman 12-06-2009 11:27 AM

Right now the 2 housings in service are running steel seals. For starters we will use steel factory seals so we are comparing on even ground. We need to know how the chrome wll stand up to OEM use situations long term.

NoDOHC 05-12-2010 08:50 PM

How is this going? Does this process appear to be feasible yet?

glassman 05-13-2010 09:17 AM

The fixture were making has been more problematic than expected so we've decided to scrap the origional design in favor of a new design that will eliminate previous problems. We've learned a lot from messing with this thing and the new fixture will be much more functional with faster changes possible. Really it comes down to throwing more money at it, so once my parts order is completed I can look at moving forward with the new design.

We've also applied for a government grant to help get this moving along, if that goes through things will happen a lot sooner with proper cash flow to commit to the project. The funds would also be used to explore means of repairing gouged housings for re-chrome.

NoDOHC 05-13-2010 09:53 PM

I have several housings that are undamaged, but worn. Can you take them for a beta test? I don't mind paying $200-$300 per housing if they turn out to make compression. If the process fails, I got them for nearly nothing and they are worthless now, so I don't mind. Maybe if a few people do this it will help with the development costs (I don't know what the costs are - probably higher than a few jobs in the backlog would cover).

TitaniumTT 05-13-2010 10:10 PM

I would be interested as well. I've got a few housings kicking around that are worn, scarred, but not into the steel that I'm aware of.

Would be willing to put them into know working good engines and run a few dyno's, track days, auto-x's 10k miles and pull them apart and send them to you for inspection.

Always interested in research and development

glassman 05-15-2010 12:52 PM

^^Hey guy's, definitly we could use some housings for chroming down the road once the trial runs are completed. The more beta testing the better. We have about 6 FD hosuings that are nice candidates to get us started as well as some 12A. Once we get them completed I'll post pics and then we can look at getting you guy's set up.

glassman 05-17-2010 10:39 AM

Quote:

Originally Posted by RotaryResurrection (Post 118344)
I hope your efforts turn out better than JHB's. Their coatings seem to flake back off rather quickly from what I have seen.

Rob hasn't taken the engine apart yet but it seems to be running quite well with no signs of lost compression. Cermet and hard chrome are quite different animals, as long as our prep work is good the chrome should stay on and we are using the best quality chrome available to us here.
Thanks

Nismo 07-10-2010 08:34 PM

I have crap loads of housings, I am building an engine in the next 8 months, I'd be more than willing to try this out if everything comes together in time.

Plus I'm in Canada :)


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