Wind deflector between cabover and cab
Anyone tried making a V shaped wind deflector between the cabover and the top of the truck? I have some 1/2" rubber left over from making my snow plow flap, I think that with aluminum angle iron mo...
Forum Discussion
The Airtabs are a different subject: I'll try to make sense of it using my studies when they first came out and a bit of a refresher.
They are designed to creat turbulance... when installed at the trailing edge of a trailer or the trailing edge of our square backed truck campers...
Their stated function is to break up the laminar air flowing along the side the trailer or truck camper... to keep from having the laminar slip stream flowing straight back from the rear of the trailer or truck camper. This laminar flow creats a low pressure an the back of the trailer or truck camper creating drag....
The Airtabs attemp to solve the drag by dumping the turbulant air into the space immediately behind the square backed trailer or truck camper. That turbalant air fills the area and reduces drag and as a bonus keeps the back clean (both good things).
The manufacturer supplies a templet that positions the airtabs as close the the trailing edge of the trailer or truck camper as possible and positions them very close together.
They don't mount them on the sides in the front of the trailer... the turbalnce would create drag along the sides instead of reducing it at the rear. a bad thing.
In my opinion... using the water hose "wind tunnel" from my last post above:
If you mount Airtabs between the cabover and the truck's cab they will channel every bit of (water) air possible into the area between the cab and cabover... with a high speed turbalance and no drop in pressure.
The area will be like a large number of blenders (equal to the number of Airtabs) Will the noise change when moving through the air at highway speeds to a more acceptable frequency?...I don't know. Will their be more bug reminants? I personally think that using the Airtabs incorrectly will usually cause more problems.
If I were going to use the Airtabs I would follow the manufacturers instructions.
sleepy
They are designed to creat turbulance... when installed at the trailing edge of a trailer or the trailing edge of our square backed truck campers...
Their stated function is to break up the laminar air flowing along the side the trailer or truck camper... to keep from having the laminar slip stream flowing straight back from the rear of the trailer or truck camper. This laminar flow creats a low pressure an the back of the trailer or truck camper creating drag....
The Airtabs attemp to solve the drag by dumping the turbulant air into the space immediately behind the square backed trailer or truck camper. That turbalant air fills the area and reduces drag and as a bonus keeps the back clean (both good things).
The manufacturer supplies a templet that positions the airtabs as close the the trailing edge of the trailer or truck camper as possible and positions them very close together.
They don't mount them on the sides in the front of the trailer... the turbalnce would create drag along the sides instead of reducing it at the rear. a bad thing.
In my opinion... using the water hose "wind tunnel" from my last post above:
If you mount Airtabs between the cabover and the truck's cab they will channel every bit of (water) air possible into the area between the cab and cabover... with a high speed turbalance and no drop in pressure.
The area will be like a large number of blenders (equal to the number of Airtabs) Will the noise change when moving through the air at highway speeds to a more acceptable frequency?...I don't know. Will their be more bug reminants? I personally think that using the Airtabs incorrectly will usually cause more problems.
If I were going to use the Airtabs I would follow the manufacturers instructions.
sleepy
