Wednesday's Weather from Andy:
With low pressure over Scotland we will be in an unstable westerly flow.
Wind westerly at 12kts there could be the occasional shower but overall the day should be quite good with thermals starting by 1100 and going on until late afternoon. Cloud base should rise to 4,000ft early afternoon.
So a good thermic day for the Wednesday Wavers and the Aird brothers; Fergus and Roman who were our two junior one day course candidates today.
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Skysight's windgram showed a lovely thermic day. The thermal strength decode is on the right-hand side. |
The overnight road closure on the A386 between Horrabridge and Grenofen opened in tine to let the early birds arrive and start getting the field set up.
Two K-13s, a Twin Astir, and a K-8 were available. We would be launching from the east end into a westerly breeze.
At the morning brief it was revealed that the Duty Instructor was lightly loaded today; Mike Jardine had just one trainee, Neal, who enjoyed five flights throughout the day with two of them soaring ones.
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| The RASP forecast for the day. The Duty Instructor said the top trace was like his last ECG. Or that's what I think he is said! |
But before we mention too much of the day's flying a determined last effort was taking place on the hangar apron with the Asrir CS77. After reviewing all the work done and postulating why the main wheel brake wasn't working, stripping everything down, applying copper slip high-temperature grease, test fitting the brake hub and cable, came the Eureka moment. Fault corrected, the glider was declared serviceable and joined the flight line for a test flight after lunch. There were too many involved in this repair and maintenance to name them all but special mention must go to John Smith for his perseverance and leadership of a disparate team. Once he gets his teeth into a problem he never lets go. There remains one final job that was left for another day; refit the undercarriage door that Andy repaired recently.
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| Neal soaring on the first flight of the day |
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| Mike and Neal's view of the runway from the east as the wind pushes them towards the moors |
Following a networking event at Mount Kelly school Tara Aird contacted me several months ago for her two sons to come flying with DGS. Booking proved to be more tricky than expected with limited dates and the desire for both to fly a One Day Course on the same day. Eventually, we got the bookings sorted. Henry, who is reading medicine at Oxford University brought Fergus and Roman to the airfield and sat in on their introductory brief. Tara and daughter, India, joined the boys after lunch. After seeing the activity Tara is keen that more pupils at Mount Kelly come and try their hand at flying.
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| The Aird brothers with guardian Henry and Gavin ready to start flying |
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| Gavin starts the One Day Courses with Fergus Aird |
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| And they are away! |
We welcomed John Allan back from an extended deployment to North Hill. He soared in the K-8 and later, when it came back online, the Astir CS77. We will hear more of the latter later.
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| Second up, Roman Aird ready to launch with Gavin |
Dave Osment rigged and took a circuit in his K-6, FUB before flying with Rick later for some advanced training. The CFI just can't stop himself getting in the back seat, even when he is not on duty. But there was a twist when Rick went soaring with Dave's Dad, John, he did so from the front seat with John training to become an Introductory Flight Pilot which involves flying from he back seat.
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| After its extensive wheel brake and undercarriage work Peter took the Astir CS77 for a test flight. Looking at the altimeter I would judge that he will release it to service very shortly. |
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| At the height he achieved in his test flight Peter had time to pause and admire the view to the north. |
Pleased with his efforts, the old man of the air, John Smith, took the K-8 up for a soaring flight to show Dave Osment how its done. Well done John. Meanwhile, Phil rigged his DG300 and enjoyed an extended soaring flight in the local area before helping out at the launch point. Steve Fletcher rigged his Open Cirrus but despite having a relaunch wasn't as successful. The conditions, as forecast varied thought the day, just like an ECG trace!
His instructional duties with Neal, on pause, Mike went flying on his own.
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Mike's view of the Tamar Valley and Plymouth Sound from his Standard Cirrus
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By mid afternoon the weather had brightened up and bathed Blackdown and Mary Tavy in bright sunshine |
After its test flight Malcolm took the Astir CS77 up, and after a relight enjoyed an extended soaring flight whilst Mike Bennett took the K-8 aloft. Late arrival Dave Archer "broke his duck" and soared for 20 minutes demonstrating that there should be nothing stopping him from doing the same in his Ka6-CR "Debbie".
On a soaring flight Fergus and Gavin took in the wonderful views of the local area. There was definitely a competitive streak between the two boys comparing heights and flight duration.
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| Looking southwest into Cornwall and at a fantastic sky |
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| Looking north towards Lydford gorge |
Many of us know that the audio tone XK10 vario gets really excited above 8
knots of lift. Today I discovered that if the lift exceeds 10
knots, then the warbling becomes a very loud, continuous, piecing tone. I estimated the peak lift was 12 knots - that's 1,200 feet per
minute.
After Mike's flight in the standard Cirrus he handed the glider over to Scratch who enjoyed a great flight. At 1600 he joined three other gliders in a thermal; Rick and Dave Osment, Mike and Neal, and John Allan. There were no reports of who out climbed whom but from the back seaters photos it showed that capturing other gliders in a thermal is tricky. These were the best they achieved:
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| The Astir CS77, DNE and the Twin Astir, DSL. Yes, you have to look carefully. |
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| And the Twin Astir, DSL again |
John Allan recounts:
No photos for the blog today I'm afraid. I had a nice flight in DNE at the end of the day, including a fun thermal with three other gliders to mark my 1,000th flight in a glider since taking up gliding in October 2019.
Congratulations John.
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Roman and Fergus receive their course completion certificates. They were definitely buzzing after their flights. This was the best out of five photos taken! |
It was good to see the whole Aird family visibly happy with their day whether in the air or on the ground. Tara definitely wants to try it as does India, that is when she gets a bit bigger and can reach the controls! A quick word of thanks to the Flight Instructors and members who made the delivery of these two One Day Course a slick and seamless operation.
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| Malcolm readies the K-8 for the penultimate and last soaring flight of the day. |
Fergus and Roman's late grandfather was a big fan and collector of classic cars so following their mum's request a few of the Wednesday Wavers brought their classic steeds along. Gavin, his MGC GT and Dave Osment, his Mark 1 Ford Cortina. Sadly, Colin needed his tools in his van and so didn't bring his bight red Triumph TR4.
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| Fun fact: At three litres the MGC GT has twice the engine displacement than the Ford Cortina, two more cylinders, and two more carburettors! And you thought glider pilots only compared wing spans. |
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| Preparing the Twin Astir to go in the hangar. |
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| The Astir CS77 basking in the sunshine before hangar packing, and undoubtedly pleased to be back in service |
Peter summed it up: "A great day" that saw two Junior One Day Courses delivered, the Astir CS77 back in service, all three flight Instructors clocking up valuable solo time, and smiles all round.
Well done the Wavers.
Gavin Short