EAA (SA) Sun ‘n Fun Flyin 9 November 2019

The South African chapter of the Experimental Aircraft Association is celebrating it’s 50th anniversary this year. Every year there is a flyin to the Brits Airfield (FABS) but this year promised to be even more special. Any excuse for a flight is a good one, so it was off to Brits I went.

As summer starts to take hold it’s getting light earlier and I was able to pull the plane out at 6h30, in pleasant conditions with the low morning clouds clearing away and only the slightest breeze. I should have realised it was too good to be true…

As I rolled down runway 13 (into the sun – of course…) I noticed 3 Guineafowl taxiing out onto the runway ahead of me. Now a guineafowl is not a small bird – they probably weigh around 4 kilograms and stand about 35cm high – I didn’t fancy the idea of one of them going through the prop or hitting a wheel. In retrospect I made the wrong call by rotating 2-3kts below nominal rotation speed (50kts) but IBM eagerly kept into the air and disaster was averted. It would have been better to stay on the ground, wait for normal rotation and try to ignore the birds than to take off early and potentially stall out. Fortunately I was so close to rotation speed that it made no difference but definitely something to think about for lower speed incidents – better to hit a bird on the ground than stall it in.

The other concern is that the birds could have tried to fly and then I may have been in the situation where I’m flying at low speed and then hit a bird….

Bird excitement behind us, we climbed up under the Johannesburg TMA – cruising at 7500’ and routing to the west of the Lanseria class B airspace. We passed over Orient airfield (a major gliding Mecca), but it was too early for the obligatory powerless landers in their funny hats.

Couldn’t resist….. sorry not sorry

This dogleg set up a more or less direct course to Brits – and a routing directly into the teeth of a not insignificant headwind – 30kts on the nose meant we took a lot longer to get to Brits at only 90kts over the ground.

For the (anticipated) large flyins, the CAA usually declare an Aerodrome Flight Info Service (AFIS) which means that the usually unmanned airfield is manned with a tower operator whose role is to ensure separation but does not give explicit landing or takeoff clearances – it’s a little bit strange – the landing clearance usually sounds like “ZU-IBM, number one on the approach, land at pilot’s discretion”. Anyhow, as it turns out they were only opening at 07h30 and I arrived overhead at 07h25. This resulted in some confusion with arriving aircraft coming from 4 directions and all trying to ascertain if the tower was open or not.

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Die Uys Huis Padstal (#30) Airfield

My aircraft is back from annual inspection – what they say about the first annual is all true, sadly – was a lot more expensive than I was anticipating due to the 5 year rubber change, but that at least is done (until the next time – when I may also be looking at a BRS repack……). On the plus side, my plane is back and fit for flying again!

On the basis of the sticker shock from the rubber replacement we decided not to do any cosmetic work apart form installing the sun shade film on the canopy which has helped a lot to keep the cabin cool. I did this myself – it only took 2hours to apply it – a very fiddly job but the end result is satisfactory and seems to do what it is supposed to. It’s a PVC friendly static cling film that advertises 5% visible light transmission. I think it looks quite nice.

Ready to go – note the window shades – very sexy.
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Annual time….

As I write this, ZU-IBM is in for annual inspection. This should only have been done in October, but the CAA is a bit of a hot mess at the moment, and it is taking 3-4weeks to get the airworthy certificate or Authority to Fly (ATF) after annual inspection so we moved it up a month. I suspect this is mostly because the AMO doesn’t want airplanes stuck on its ramp waiting for paperwork to be completed.

I think it will help to have moved the annual forward away from the ATF expiry date because that should mean that we can do a full year on the next cycle. Anyhow, this does basically qualify as the first year of ownership and looking back, I must say that it has been really good to own the aircraft.

We’ve done a few trips that we would never have done, and the freedom of being able to decide on a whim to go flying is seriously under-rated. So here follows a small summary of the year in ownership..

  • Hours flown: – 69,5
  • Fuel purchased: – 1154
  • Average fuel Burn: – 16litres per hour
  • New Airports visited: – 17
  • Passengers Flown: – 37 (obviously not separate individuals)

Of course, there will be at least one unexpected expense involved and this time it is the 5 year rubber renewal which involves changing every rubber hose and gasket in the engine compartment. It is a bit of a pain and an unexpected expense which could be deferred… but that is not how I want to operate my aircraft. Deferred maintenance is something that I feel will bite one day and will be an issue if/when I sell the plane (yes, that RV-7 is still calling….).

There are a couple of other squawks that need dealing with – for some reason the starboard strobe has decided to call it a day, and the landing light wires seem to get quite hot coming out of the switch on the panel – this may well be normal but it needs to be checked out. The oil pressure still runs lower than I’m comfortable with on the long climbs – although we have looked at the system I think another once-over won’t go amiss. My gut feel is that the issue may be the sensor, but that is the easy way to rationalise it.

Apart from all that, the only other job is to put a decal on the rudder – I’ve long wanted the chequered pattern on the plane so we’re putting it on the whole of the rudder. I trust it will look good. The idea I have is what is shown below…

So, with no plane and hopefully no more surprises… there is little to do but to wait patiently impatiently for news on when Miss Daisy will be back. Will update as and when needed.

Secunda Speed Rally 2019 – Day 1

I’ve been trying to get involved in competition flying for a long time, but it has always seemed to not work out for one reason or another. I’ve been able to go to see the rally taking place at Middelberg and Springs in the past but haven’t been able to take part. This weekend though, everything seemed to fall into place with a public holiday on Friday and the race being held nearby at the Secunda airfield (FASC) on the weekend.

Competition flying in South Africa seems to be undergoing somewhat of a resurgence at the moment after being stuck for years in a stodgy cycle of President’s Trophy Air Races marred by legal cases and appeals. Three event formats are currently taking place – Speed Rallies, Navigation Rallies and Fun Rallies. They are being held through the country (although mostly in the northern half, fortunately). Fun rallies involve flying a short course in a very narrow corridor, points being deducted for excursions from the corridor. Navigation rallies are plotted and flown to specific times and locations and are the more traditional form of competition rally flying in South Africa.

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DIY External Aircraft GoPro mounting

I’m getting a little bored with the in-cockpit got GoPro shots. I feel like there are only two angles really – either out the front or looking at the wing. While these do have some interest, I’m keen to try some external camera shots. 

The problem here is airways going to be how to safely attach a GoPro to the exterior of the aircraft. Safety here is two pronged – one doesn’t want to interfere with the aerodynamic performance of the aircraft. Neither does one want to be responsible for GoPro sized dents in structures or people on the ground. 

I’d imagine the CAA/Police/justice system works take a dim view of damage caused by falling action cameras. Additionally, you can’t simply attach objects permanently to an aircraft. With this in mind I’ve been looking at getting a mount to capture footage like this. 

There are a number of options and ideas to achieve this. The easiest way is to simply use the GoPro suction cup and apply it to the wing. Look. The cup grips well. But I wouldn’t like to bet my GoPro on it. So that idea is out. Then there are some proprietary mounting systems sold mostly on Amazon – flightflix and nflightcam being the two most prominent brands. But they are really expensive, especially once shipped here. 

So I thought I’d have a go at making one myself based loosely on the flightflix tie down mount. 

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Nylstroom Taildraggers (Almost)

Every year, The Nylstroom Airfield (FANY) plays host to a weekend of taildraggers. Folks fly their non nosewheel equipped aircraft in on the Friday or Saturday and stay over and (probably) have a few drinks in the evening and fly back on the Sunday morning. It is a celebration of all things Taildragger and aviation in general and I was keen to go see what it was all about. 

Unfortunately, life had other ideas and my plans to fly in for a visit on the Saturday did not come to fruition which left me looking at popping up on the Sunday – basically for no other reason than having an excuse to fly the aeroplane. The day’s schedule called for a family lunch which meant I was under a little bit of time pressure – but the best time of the day to fly is the early morning and it was only me so no need to accommodate any late sleepers.

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Aero South Africa Exhibition

General aviation is widely accepted to be in somewhat of a decline in South Africa. Thus it is quite exciting when an exhibition aimed primarily at the general aviation sector is scheduled – look, it’s not Oshkosh or Sun ‘n Fun but this is about as good as it gets for us locals. It is also quite unusual in that there was no airshow scheduled – only static and trade exhibits. The exhibition is Aero South Africa and it was billed as an offshoot of Aero Friedrichshafen

Date Aircraft Route Flight Duration Total Hours
6 July 2019 ZU-IBM FASY – FAWB(Wonderboom National Airport) 0.8 151.6
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Revalidated

It is a year since I passed my initial flight test for my PPL. According to South African air law, after one year, you need to revalidate your PPL (and thereafter every two years). This is done via a ground briefing/exam and a flight test. 

In the year since I got my PPL I have flown about 70 hours, 11 of that as dual instruction for my night rating and 5 odd hours in the sim. The rest, apart from a few jaunts in the SR20 with family, has been in my Sling 4 ZU-IBM. There have been a lot of local flights – practicing stuff, keeping current and proficient, and the odd long trip – most memorable being the flight to Cape Town and back in November last year, with a few family day trips thrown in here and there. 

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