Kammback / Tailgate wing for Volvo 245 (wagon)

[kach22i]

Originally Posted by aerohead

LUCID's lead designer, Derek Jenkins is claiming that their upcoming 'Gravity SUV' will be the 'most aerodynamic SUV ever,' and their 'flow extender' will be 'massive.'
So I think your instincts are A-Okay.
And 'size matters.'

Interesting, thanks for the FYI.

Lucid Gravity previewed as the 'most aerodynamic SUV ever'
https://www.autoblog.com/2022/11/15/...ravity-teaser/

ademonrower, nice work.

More photos would be welcomed, the leading edge in particular is of interest, and how it's all secured - the details.

[ademonrower]

I must apologize for not being able to find the message that requested more details on how my improvized flow-extender for the tailgate of my Volvo 245 is attached. Here are two pictures that should help. Cheers

[kach22i]

Double sided tape, maybe a great idea, maybe a really bad idea - time will tell.

Thank you for the additional information.

[ademonrower]

Yes, I agree with you: I'm not "convinced" of the double-sided tape either, but if it is the thick kind with foam or flexible polymer between the two sticky layers, it could make a firm enough bond. I'd like other ideas on the affixment question, because it's a very important one, so please - anyone - feel free to advise me. Thanks!

[freebeard]

Super [ethyl 2-cyanoacrylate] glue? Deadheres with rubbing alchohol.

[aerohead]

* the flow extender will not be exposed to significant aerodynamic loads, and some tape systems adhere so strongly that, you might destroy the device whenever you attempt to remove it.
* a lanyard, like Chrysler Corp. used on their 1969 Dodge Charger Daytona Coupe rear wing, to ensure it wouldn't strike another race car should it be knocked loose in a race, might be enough 'insurance' for your device.
* other than some structure which is captured within, and held steady in the gap of the rear hatch, from which the 'wing' could be attached to, I don't know of many options for sturdy attachment that wouldn't damage the Volvo's paint.
* I don't think you want to drill holes in body parts, and then run fasteners 'out' through the hole, into a female threaded insert, bonded to the 'underside' of the 'wing,' with a weather-proof gasket, like carmakers do.

[ademonrower]

Very good ideas and advice: indeed, NO to drilling holes: bad thing for a classic car, but your message made me think, perhaps I can make a clip-on fastner to the vertical rim of the tailgate: that would, at least, give the extender a holdfast at the side as well as on the roof-level rim of the tailgate... Will experiment and post pics...

[AdrianD]

Here's some inspiration from another guy with a boxy station wagon:
https://ecomodder.com/forum/showthre...mph-13476.html

I'm following to see the results since I want to add a similar spoiler to my SUV