To complement my 750's wingtip strobes (Aveoflash "Powerburst"), I decided to install a LED landing/recognition light - primarily for recognition; it would be rare that I would need a landing light. Although it is doubtful I'll ever reinstall my slats, I did not want to do a leading-edge wing light as that would be blocked if the slats are ever reinstalled. Some mount lights on the struts or nosegear leg, but I decided a cowl mount would look better and not contribute additional drag - as if the 750 needs any more drag! HA!

Cowl mounts used to be frowned on due to short bulb filament life secondary to vibration. However, LED's have pretty much negated the vibration problem. Due to its small size, price, and performance, I decided to go with the AeroLED "Microsun". AeroLED specifically states this light's components are solidly mounted internally and it is ideal for high vibration environments with a useful life of 50,000 hrs and is unaffected by the number of on/off cycles. Basically, you can run this light all the time - also, it only draws 2.2 amps. In the pics, you'll notice that the LED's are offset in the housing - this is the latest model good for 1800+ lumens. Just in case you're in the market, there are some older Microsuns still on the market with the LED's symmetrically mounted - they have older generation LED's and are less bright. Apparently, LED's are like computer chips - each generation is more and more powerful!

Joe Miles did a beautiful paint job on my cowl, so I couldn't bring myself to cut yet another hole in it! Since the Microsun is so small, I decided to mount it in the opening of my existing oil cooler duct. I have excess oil cooling capacity due a 10-row cooler and a oil sump duct of my own design, so I figure that 3-4 sq inches of blockage shouldn't have an adverse effect. I certainly would not recommend this location, however, if you have marginal oil temps!

I fabricated a simple bracket from .0625 and had it powdercoated. the red backing tape is on the 3M exterior mounting tape that I used to bond the bracket to inside of my cowl:

I bonded it to the inside of the cowl at the oil cooler duct opening. It slips right under the lip of the silicone rubber baffling around the cooler:

I think the rectangular light goes well with the overall angular appearance of the 750 - of course, the light is so small you barely notice it, anyway!

I ran the shielded wiring along the inside of the cowl, covering it with braided loom and securing it at intervals with adhesive nylon zip tie anchors. I terminated the wiring with a "Seal All" weathertight connector. I purposely mounted this adjacent to the air intake duct so you can't miss it to connect or disconnect when installing or removing the cowl:

I already had a switch for the landing light on my power panel. For recognition enhancement, the light will pulse at once/second if a second power circuit is switched on, so I had an unused fuel pump switch on my panel and used it for the pulse feature.

At close distance, this light is painfully bright! If you look directly at it, it'll leave "ghosts" on your retinas when you look away same as if a flashbulb went off in your face! I'm flying with a friend tomorrow and will get his evaluation of air-to-air visibility and might also try to get some pics at night to assess the landing light aspect.