slowflyin

I would agree- LOP= cooler temps and cleaner ops!

Not scary or critical at all. Appreciate your thoughts. I'm a Savvy customer and a fan of Mike Busch for years. 700+ hours of LOP ops with excellent results but always looking to learn more.

Less than 14 GPH I felt some roughness. That being said, I really don't have great data as my last flights have been over DC and BWI. Pretty busy airspace and not a lot of time to fiddle. I essentially exercised the "Big Pull" directly to 14.2. Overall I was very impressed considering stock injectors. I will be documenting how far off peak each jug is and the over all spread first chance I get.

FWIW I've had my Bravo for a little over a year. Mainly from reading this site I didn't even try LOP peak ops until last week. To my surprise on the last three flights I pulled the mixture back from 18-18.5 to 14.2 GPH (75% power) and she ran smooth and happy. CHTs dropped by 20 down into the 340-360 range and TIT stayed below my personal redline of 1650. (No more than 1625 being ops normal) These flights were short 90 minute hops so I was around 12 or 13 thousand. She lost around 7-8 knots. I'm excited to try it in the teens where I normally fly. If I can save 4 GPH and lose only 4% on the dial I'll be pleased. Just another tool in the box!

It's very frustrating but not unusual for industrial items to be available only via a quote. I'd ask for a formal quote from any vendor under consideration. Scope them all the same then you can compare. I don't remember BAF being slow to provide one. My memory says I paid around 3K per fan plus another 800 for the installation kit. Not cheap by any measure. I heat my facilities so I like to think I've saved some on the utilities.

Garmin advised the unit pulls the date from satellite feed to determine what's old or new. That being said, I always update in the hangar and I've never had a date problem.

We have two spaces: 70' W x45' D (20' ceiling) with one 14' Basic 6 BAF- This fan is more than adequate considering the space. Air Flow can be felt throughout the space. 70' W x90' D (20' ceiling) with two 14' Basic 6 BAF - These fans are more than adequate considering the space. They are placed side by side in the front of the hangar because that's where my guys work. Essentially these two fans work the same size space as the one fan in the first hangar. I probably would of bought only one for this hangar but I moved these from a leased location when I built my own facilities. Again, I repurposed these fans. If I had bought them new for these facilities I would have bought two. One for each hangar. That would have allowed for larger fans on the same budget. Larger allows for a more subtle breeze across the entire area. I'd ask BAF folks. They can probably recommend the proper size. PM if you need any assistance.

I've been running Big Ass Fans for about 5 years and have no issues. Zero failures and no maintenance.

I've had it vary significantly for the complete break in. However, most times within the first couple of hours the rings will seat. Albeit not completely but enough to reduce most of the blow by. If you have engine monitoring you'll see the temps change a substantial amount. My preference is to continue the initial break in flight uninterrupted until I see the rings seat on any new jugs. Usually a race track above the field for a couple of hours. With a new engine or a complete top end it's interesting to watch them domino one after the other. That being said, the complete break in as indicated by normal temps and stabilized oil consumption can take much longer. Not sure what the average would be but if memory serves it think around 10-15 hours. I've heard some take much longer. Steel vs chrome.....

I use the B Kool as well. Agree the B Kool folks are tops! From my experience the B Kool is a great portable unit. Easy to handle and transport. I mainly use it in the back seat of our companies Skyhawk and it does a great job. Take it out; fill it with ice; and put it back in. Easy day! The B Kool was my first unit and I used it a ton. Works best from right behind the front seats. That being said, I prefer the AA 52 qt. in my Mooney. I leave it in the baggage compartment and bring the Ice to it. The lid opens wide making it easy to add ice. It stays in all summer. I purchased two duct extensions that reach to within about a foot of the front passengers head rest. This setup works best for my situation. It provides ease of use, more cooling time, and more cooling. Also, I can still utilize the back seats. Not so much in the Bravo but many times with my F.

In my 1970 F I had power in the luggage compartment. My IA ran power directly to the battery with an in-line fuse and an Anderson connector. I really liked the setup because I could run it while I was preflighting resulting in a nice cool entry. A few minutes didn’t put a dent in the battery. Once in the hangar I would plug my trickle charger into the same connector.. In the Bravo I run it off the cigarette lighter without any issues. Apples to Oranges as the Bravo is 28 Volt. Not sure the what size breaker but the amperage would be half. At annual I’ll be installing the setup my F had.

I’ve owned various sizes and without hesitation get 52 with dual blowers. I leave it in the AC all summer feed and water through the luggage door. Used it my F model as well.

Flew into Midway last month as well. 300 OVC and they worked me into the ILS conga line with everyone else. Aside from the usual "keep you speed up" no issues. Used Atlantic and they were great.

Did the same but I found they don't stay in sync very long. Not an issue for as I think the randomness actually makes the AC more visible.

I'd venture to guess it's the shower of sparks. My F had the same issue. When the engine sometimes starts after you release the starter it's telling you the SOS is failing-weak..... Try this link. http://donmaxwell.com/shower-of-sparks/