Epic E1000 Gets the GFC 700

When the Epic E1000 was finally certified in the spring of 2020, there was much celebrating across the aviation world. Epic Aircraft expended a lot of time and energy getting the E1000 certified and into production (more information on that journey here and in Flying Magazine here).

The airplane is amazing. In the single engine, 6 seat turboprop market, it easily blows away the competition. With it’s 1,200 SHP PT6-67A, it has double the horsepower of the M600 (600 SHP), and 350 more horsepower than the TBM 940 (850 SHP). It’s 60 KTAS faster than the M600 and, even though the TBM can keep up (both airplanes have equal top cruise speeds of 330 KTAS), the Epic E1000 can carry a payload of 1,024 pounds with full fuel, while the 940 can only carry 584 pounds with full fuel. The TBM carries about 15 minutes more of fuel, but to me, that’s pretty negligible.

Did I mention climb rates? The E1000 climbs at an average of 1500 FPM at Vy (it’s capable of 4,000 FPM), making it to 25,000 feet in 10 minutes. The TBM climbs at 1000 FPM, taking 13 minutes to climb to the same altitude, while the M600 settles in at about 800 FPM, reaching FL250 in 21 minutes.

If you expand the comparison to include the Pilatus PC-12, the two airplanes have 1,200 SHP, but the Epic is 50 KTAS faster and they both have about the same weight carrying ability.

In the most important arena, price, the E1000 is around a million dollars cheaper than the TBM 940.

The one drawback to the Epic E1000 that immediately was noticeable was the autopilot. Epic originally installed the STEC 2100 autopilot to pair with the G1000 (and later the G1000 NXi). Epic decided to stick with the STEC 2100 through certification for the plane since that autopilot was on all of the E1000s paperwork going through all the levels of FAA approval. To change to the GFC 700 during the certification process would have been a massive undertaking that probably would have delayed certification.

The STEC 2100 is a good autopilot, but, as any G1000 pilot can tell you, the lack of integration between any STEC autopilot and Garmin panel leaves some to be desired. Not all the bugs talk, which often requires dual data entry, which can lead to forgetting to do both the bug and the autopilot when things get busy. Hello, altitude deviation.

The goal for Epic was never to leave the STEC autopilot in the airplane. The first E1000s were rolled off the line with the STEC, but Epic didn’t take long to change the autopilot to the much more integrated Garmin GFC 700. That took place this winter (2020), and the E1000 received it’s first upgrade, with Epic dubbing the airplane the Epic E1000 GX.

I expect the innovators in Bend, OR, where Epic is based and where tons of innovation in aviation happens (Lancair/Columbia started in Bend while RDD is based there as well), to quickly come out with more avionics upgrades for the airplane. I wouldn’t be surprised to see a G3000 version at some point, complete with auto throttles and the new Garmin Autoland. Epic would be smart to follow in the steps of Daher and offer two models, one with the G1000 and one with the G3000 (the TBM 910 has the G1000 NXi while the TBM 940 has the G3000).

I have yet to fly in an Epic E1000, but I would certainly jump at the chance to do so. Someone asked me yesterday what airplane I would buy if I had a blank check. With the GFC 700 now in the Epic, it would absolutely be the E1000 GX.

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  • Merry Christmas 2018

    So the Word became human and made his home among us. He was full of unfailing love and faithfulness. And we have seen his glory, the glory of the Father’s one and only Son (John 1:14).

    From the Texas Top Aviation family (Hank, Kelsey, Everett, Cooper, and Cord) to your family, we wish you a Merry Christmas!  We are thankful for how the Lord has blessed us this year.  We pray for blessings on your family this coming year.

    Keep the wheel side down and the sunny side up!

    Merry Christmas!

  • Stratos 716X

    Cirrus Vision Jet, meet your competition.

    In July, Stratos Aircraft completed the first test flight of the single engine Stratos 716X personal jet. Stratos, based in Redmond, OR, is taking a page out of Epic Aircraft’s book in how the company is planning on bringing the Stratos 716X to market.

    Epic Aircraft first released the Epic LT composite single engine turboprop in the early 2000s as an experimental. The first kit was completed and flying in 2005. Epic’s goal was to bring the airplane to market as a certified aircraft, a feat that took them almost 20 years to do, achieving full certification earlier this year.

    Stratos Aircraft is hoping to learn a lot from their Bend, OR neighbors. The 716X is going to start off as a limited release experimental kit, while the company is working on achieving certification for the airplane. Once the plane is certified, it will be dubbed the Stratos 716. The 716X experimental kits will be assembled through a factory builder assist program (no garage built single engine jets here!). The kit will cost $2.5 million assembled, while the expected cost of the certified Stratos 716 will be $3.5 million.

    Now, let’s talk about the airplane. 400 KTAS. One engine.

    That’s right, you did hear correctly. The Stratos 716X is expected to cruise at 400 KTAS on only one engine. Compared to the Cirrus Vision Jet, that’s 100 knots faster. Think, “I’ll be relaxing at the hotel pool with a drink in hand when you are landing” type speeds. The fuel burn of the Pratt & Whitney JT15D-5 engine (3,000 lbs of thrust) is about 25 GPH more than the Vision Jet (the Stratos 716X will burn about 98 GPH of Jet A while the Vision Jet averages about 75 GPH of Jet A).

    Comparing the two engines, the above numbers start to make sense. The Williams FJ33 engine on the Vision Jet only puts out 1,850 lbs of thrust, significantly less than the 3,000 lbs of thrust that the Stratos 716X Pratt & Whitney JT15D-5 puts out.

    What does that mean to the pilot? In the Stratos 716X, it means less takeoff roll, better climb rate, faster cruise (as evidence by the 400 KTAS expected cruise speed), and a better payload. More power = more weight carrying capacity. And, the 716X is expected to have a service ceiling of 41,000 feet. I probably wouldn’t want to go that high single pilot with one engine, but I’d be very happy with that speed in the mid-30s.

    The cabin, based on the pictures I’ve seen, looks very comfortable. The Stratos 716X seats 6 and can be configured in several different ways. Baggage is no problem as Stratos Aircraft stretched the fuselage from their original 714 Proof of Concept aircraft, adding a very roomy baggage compartment above the engine compartment. The passenger compartment is as big as a Phenom 100, providing more leg and head room than the Vision Jet. The front seats have plenty of legroom too, as Stratos has opted for a side stick instead of a yoke.

    The avionics for the Stratos 716X are expected to be the Garmin G3X Touch for the panel which will be driven by a Garmin GTN 750 GPS. Autopilot will be integrated within the G3X. I would imagine that once the plane is certified, the panel will be switched to a Garmin G1000 NXi and a GFC 700 will be installed.

    The genius of the design of the Stratos 716X is the aerodynamics of the engine placement. Instead of hanging the engine out in the slip stream and going with a drag inducing V-Tail like Cirrus did, Stratos took some notes from the myriad of single engine military fighter jets out there, placing the engine inside the fuselage. The fuselage is then built around the engine with two air scoops for intake directly in front of the wings. With two intakes instead of one, that leads to more air flow, which again, means more power. The Vision Jet has only one.

    I’m going to keep tabs on the Stratos 716X (as I kept tabs on the Epic E1000). I’m hoping Stratos gets several flying soon (the company expects to do 3 kits a year till the airplane gets certified) and certification comes quickly after.

    I got to stick my head in the mockup of the Stratos 716X when I went to Osh Kosh in 2018. I was very impressed and was excited to see the airplane was finally airborne this summer.

    For more information about the Stratos 716X, check out the Stratos website.

  • Skyvector Has a New Look

    Skyvector has changed it’s look.  The aeronautical chart website is now offering flight plan filing capability. In order to gain the ability to file flight plans, the user has to form an account first.

    Personally, I really liked how Skyvector had a simple interface before they changed.  As an instructor, a lot of times, I go to multiple airports on one flight.  It was really nice to just plug in airport IDs to check distances and heading information on Skyvector.  The new format is a little clunky as the website has made it a little more difficult to do what it did best before.

    Did the aviation community need another venue to file flight plans?  Not with Foreflight, Garmin Pilot, and WingXPro leading the way in the app market.  Skyvector was smart in not trying to develop another app to compete with the big boys.

    Will the new Skyvector last?  We’ll see.  I’m hoping they’ll go back to the way they used to be, but we’ll see. I may use it enough to come around to liking it.

  • Cirrus Alternator Failure

    A Cirrus is an electric airplane.  There are no vacuum pumps and therefore no vacuum driven instruments. The Klapmeier brothers did this on purpose, trying to make it a modern airplane.  No vacuum systems means no vacuum pump failures, hence there is a lower likelihood of instrument failures in IMC.

    What Cirrus did instead was put a lot of electricity producing and storing devices in the airplane.  All SR20 and SR22s are equipped with 2 engine driven alternators and 2 backup batteries.  Alternator 1 is a 28 volt alternator (the amperage varies based on whether or not you have an air conditioner) while Alternator 2 is a 28.5 volt alternator.  There are 2 24 volt backup batteries, as well.  Battery 1 is also used for starting.

    In traditional airplanes that have 1 alternator, an alternator failure can affect a lot of things.  Depending on how many electronics are in the airplane, the battery can get depleted quite quickly.

    The Cirrus electrical system is quite ingenious.  It’s a little bit different based on whether you have an Avidyne Cirrus or a Garmin Perspective Cirrus.  I will discuss that further below.

    The main goal of this article is to talk through what happens in the event of a #1 Cirrus Alternator Failure (an Alternator 2 failure actually isn’t a big deal at all, though Alt 2 is required for IFR flight), the procedure for trying to fix it, and a technique I have developed that makes the pilot’s job easier.  First, let’s go through the #1 Cirrus Alternator Failure procedure.

    Alternator 1 Failure

    In either avionics configuration, the Cirrus Alternator Failure procedure is the same.

    • Check and reset the circuit breaker for Alternator 1 (Reset only once)
    • Cycle the Alternator 1 master switch
    • If Alternator 1 doesn’t come back online, leave the Alternator 1 master switch off and shed load on the battery

    Avidyne Entegra

    The Avidyne Entegra has 2 busses, the Main Bus and the Essential Bus.  Alternator 2 isn’t set to come on until the engine RPM reaches 1700.  While on the ground, Alternator 1 runs both the Main and Essential Buses.  In the air, Alternator 1 runs the Main Bus and Alternator 2 runs the Essential Bus.  Since Alt 2 is 28.5 volts, the higher voltage won’t allow the power from Alt 1 to cross over and run the Essential Bus.  There are also 2 one-way directional diodes that prevent the voltage from Alt 2 to cross over and run the Main Bus.

    Having said all that, when Alternator 1 fails, Battery 1 is now running the items on the Main Bus.  There are a significant number of items on the Main Bus which causes the 24 volt battery to quickly lose it’s charge. This precipitates the need for shedding load.  Items like GPS 2, the air conditioner and aircraft lights can all be turned off.

    In the above scenario, Alternator 2 is running the Essential Bus still that has all the Essential items on it.  Those include:

    • The PFD
    • Flight Instruments and associated Avidyne computers
    • Engine Instruments and associated Avidyne computers
    • GPS 1
    • Com 1
    • Nav 1
    • Autopilot
    • Stall Warning
    • Charging Battery 2

    Note 2 important items that are not on the Essential Bus:  the flaps and the landing light (which is very handy at night).  Those two are only on the Main Bus, which Battery 1 is now powering.

    Let’s further enhance our scenario.  You are flying over Nevada (quite remote and not a lot of airports) at night, 30 minutes from the nearest airport when your Alt 1 fails.  When you get to the airport you are planning on landing at, you want to have your flaps and your landing light, but we don’t know how long Battery 1 will last.

    The solution (this is where my technique comes in):  Turn off the Battery 1 master switch.  This is an easy solution to ensuring you have battery power to use your flaps and landing light.  Instead of going through and shedding load, simply turn off the source.  You’ll still have all the above items on the Essential Bus, which is all you need to keep safely flying.  Then, when you get to your landing airport, turn Battery 1 back on to utilize your flaps and landing light.

    Garmin Perspective

    Cirrus wired the Garmin Perspective plane a little bit differently.  There are now 2 Main Buses along with the Essential Bus.  Alternator 1 runs Main Bus 1, while Alternator 2 runs Main Bus 2 and the Essential Bus. Both Alternators are running all the time.  The Alternator 1 Failure procedure remains the same.

    The cool thing that comes along with the second Main Bus in the Perspective is the amount of items you still have available to you in the event of an Alternator 1 failure.  The only items you lose will be:

    • Yaw Damper
    • Landing Light
    • Air Conditioner and associated components
    • EVS Camera
    • 12 Volt power supply in armrest

    Everything else is powered off of Alternator 2.  That’s not much.  The only item you really want on the above list is the landing light if you are going to be landing at night.

    Follow the Alternator 1 Failure procedure, then do my technique again.  Turn off Battery 1 to save the battery power in order to use the landing light when needed.

    Cirrus did a great job creating an all electric airplane with plenty of backups in case something fails.  I focused mainly on the Alternator 1 failure here.  If Alternator 2 fails, the system is wired for Alternator 1 to run everything while still charging Battery 1 and 2.  No big deal.

    In my experience, turning off Battery 1 to conserve battery power is just a simpler solution when shedding load in the event of a Cirrus Alternator Failure.

  • Bruce’s Custom Covers

    I have used a few different sun shields in airplanes in my flying career.  I have found one that I really like. Bruce’s Custom Covers knocks it out of the park for usability and ease of storage.

    Let’s start off with functionality.  Like other window sun shields, Bruce’s Custom Covers fit very nicely into the airplane glare shield and side windows. Depending on the type of airplane you have, some of the window covers use the suction cups and others don’t.  I recently had 2 customers order from Bruce’s, one that owns a P210 that uses the suction cups for all windows, including the glare shield, and the other owns a Cirrus which doesn’t use the suction cups on anything.

    They work great.  They do the job of blocking the sun and keeping the cabin much cooler while the airplane is sitting on the ramp.

    The thing I like best about Bruce’s Custom Covers is their storage.  Other sun shields require you to roll them up and lash a tie around them. Bruce’s, on the other hand, come folded very neatly in a black canvas bag.  The folded covers don’t take up nearly as much room as the rolled up covers, plus they are really easy to just fold up and store.

    Bruce’s Custom Covers also sells plugs for cowling, pitot tubes, etc., as well as aircraft exterior covers.

    Bruce’s Custom Covers gets my recommendation for anyone wanting to get some new sun shields.  For those of you in Texas, you know you need them!

  • MAF Provides Disaster Relief in Haiti

    Hurricane Matthew rolled through the Caribbean last week and dumped vast amounts of rain across several of the island nations.  Haiti was one of them.  Haiti has been hard hit by disasters over the last 10 years.  Hurricane Ike in 2008, he devastating earthquake in 2010, Tropical Storm Isaac in 2012 and now Hurricane Matthew.

    maf-haiti

    MAF (Missionary Aviation Fellowship) has provided relief through all those disasters in Haiti.  Their disaster response team is preparing to provide relief yet again to the island nation in the form of relief supplies and personnel as well as damage assessment flights.

    MAF-US is based in Nampa, Idaho.  The organization uses aviation and technology to gain access to isolated people groups in order to allow those people to experience the love of Jesus Christ.  MAF-US serves in 6 countries around the world spread out amongst 15 bases.  MAF International works in 33 countries around the world.

    In addition, MAF works with multiple non-profits and human aid organizations to provide transportation to doctors and aid workers to those remote parts of the world where automobile transportation is impossible.

    In Haiti, MAF has 3 airplanes based in the country that serve 13 remote airstrips.  To read more about MAF, visit their website.

One Comment

  1. If Epic adds the g3000 and the auto land system it will be the ultimate personal aircraft.

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