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Old 03-21-2021, 08:37 PM   #1
Mini-Skoolie
 
Join Date: Apr 2020
Location: Virginia, USA
Posts: 23
Year: 1993
Chassis: GMC Vandura
Engine: GM 3500
Question More Aerodynamic Mirror Options?

https://imgur.com/GCidImU

I'm working on ways to make my new bus (!!!) more aerodynamic and fuel-efficient.

First stop, we're going to remove the roof deck. :(

But the huge mirror array definitely creates drag as well. Has anyone replaced a big array like mine with anything smaller/simpler? Any recommendations for specific mirrors?
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Old 03-22-2021, 11:39 PM   #2
Bus Nut
 
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Join Date: Aug 2019
Location: Auburn, WA
Posts: 651
Year: 2000
Coachwork: IC / Amtran
Chassis: 3000 / 33' Flat Nose
Engine: IC T444E / Allison MT643
Rated Cap: 72 Kids / 48 Adults
Hmmmm, I'm not really sure removing the deck and mirrors will improve you mpg that much. It's a pretty bulky front end already. But, just my opinion.

From a cosmetic perspective, and ease of washing, I can see getting rid of the mirrors altogether.

Yep, time to go high tech with rearview cameras! Seriously, they have kits for side cameras that will display on a screen, and can include a dashcam and a rear cam.

If you want to go a more traditional route, these are listed as GMC Savana 2500 Van with Commercial Cutaway Chassis Driver & Passenger Side Manual Manual-Folding Textured Black Towing 2 Piece Mirror Set

https://www.1aauto.com/2003-18-chevr...xoC8K4QAvD_BwE.

Hope this helps.
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Old 03-23-2021, 01:22 AM   #3
Bus Nut
 
Join Date: May 2018
Location: topeka kansas
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Year: 1954
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Chassis: old f500- new 2005 f-450
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There are several

Mirroreye is one, I have planned side view cameras with very minimal mirrors. I will have spare monitor and spare camera in case of failure. Look at tadi brothers, and other truck and rv publications regarding side view cameras.
Trailing side is first for aero work. Smooth air flow on trailing side. Tight fitting wheel wells, under tray, manage air under and around tires, suspension, exhaust. Pay attention to air flow needed for rear differential cooling. Yarn testing is cheap effective poor man air flow testing. Look for books about, road going vehicle aerodynamics
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Old 03-23-2021, 09:44 AM   #4
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Join Date: Jul 2017
Location: Huntington Beach CA.
Posts: 903
Year: 1991
Coachwork: Bluebird
Chassis: T/C 2000 28 foot Handy Bus
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I used Westcoast mirrors and bought a 4 camera 9inch display that records system.
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