►► Volvo 940 Wagon Spoiler
#1
►► Volvo 940 Wagon Spoiler
I have a Heckspoiler, made in Austria, it came off my 1994 Volvo 940 Wagon. In good condition, has minor wear and tear. Asking $160 obo. Email: febusfilms@gmail.com. Located in Bridgeport.
#4
I'm looking for functionality. Here's what I learned about spoilers:
Most are for looks and actually increase drag. A real spoiler spoils the the air flow over the back of a flat backed vehicle. It diverts some air under it to fill in the partial vacuum formed behind a flat backed car at speed. The only gains would be above 55. Here in Utah the speed limit was just raised for most of the state to 80. If I can get a good spoiler, you could see a little increase in gas mileage. That would be cool and also fun to learn. One that does not divert any under the spoiler actually increases the partial vacuum and makes it worse.
I didn't think that a real spoiler was made for the 945/745, but this one looked a little different than the ones I saw before. So that's my thinking. A cleaner back window would be nice.
Most are for looks and actually increase drag. A real spoiler spoils the the air flow over the back of a flat backed vehicle. It diverts some air under it to fill in the partial vacuum formed behind a flat backed car at speed. The only gains would be above 55. Here in Utah the speed limit was just raised for most of the state to 80. If I can get a good spoiler, you could see a little increase in gas mileage. That would be cool and also fun to learn. One that does not divert any under the spoiler actually increases the partial vacuum and makes it worse.
I didn't think that a real spoiler was made for the 945/745, but this one looked a little different than the ones I saw before. So that's my thinking. A cleaner back window would be nice.
#5
#6
With a wagon or a flat back it won't cause a low pressure zone over the trunk because it doesn't exist. The low pressure zone is in the back. A wing rather than a spoiler solves that. That actually generates down force. If you look at the overall shape of a sedan it's got the wing shape going on. It's flat on the bottom and bumps out on the top. The low pressure zone over the trunk lifts it. On a wagon, that low pressure forms behind the car and literally pulls the car into it. Most people car wings spoilers and most spoilers don't spoil.
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