Aircraft Spruce Canada
Brantford, ON Canada
Corona, CA | Peachtree City, GA
Chicago, IL | Wasilla, AK
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3275 Large Square Eyeball Vent / Black
MFR Model# 3275 BLACK
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Overview
| Large square-flange eyeball vent. Made from aircraft-grade 6061-T6 aluminum and hard anodized, it weighs just 5 oz. and mounts in a 2-3/4" hole. The mounting flange is 3" square with a 2-1/2" mounting hole pattern, and has 25 degrees of freedom from the vent centerline (50% more than in our first generation vents.) This is a direct replacement for the "whisperflo" black plastic vents. Flows 30% more air and eliminates 99% of the leakage associated with the plastic vents when closed. |
Reviews
High quality
Verified Purchase
Lrg Sq Eyeball Vent 3275 Black
A great replacement for plastic eyeball vents. Swapping them out only too ten minutes, and the weight of the aluminum vents is almost equal to the old plastic vents. controllability of flow is much better with the rotary activated damper and it stays put where set, from closed, to cracked, all the way to full open. Highly recommend the upgrade from worn out plastic style vents.
I also have a Glasair Sportsman and replaced the plastic eyeball vents. The plastic ones leaked in the winter, were impossible to close fully. The new ones allow much greater airflow in the summer and eliminate leaking in the winter. Easy to control with one hand. Highly recommended.
This was used as direct replacement of plastic eyeball vents in a Sportsman 2+2. This vent is a vast improvement over the old one in 2 ways. Fully closed with no leaks (nice feature in winter cold). And it provides an estimated 50 percent increase in airflow when fully open (nice feature in summer heat).
Easy to install and operate (no more fiddling), but what I was really surprised is that it must double the airflow (maybe more)...and for flying Texas, that is wonderful. Maybe a bit pricey, but definitely get what you pay for.
Solid. Works like a charm.
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
This vent would use a 2-3/4" hose ducting.
The inner diameter of the vent is 1.88".
