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Posted
2 hours ago, BurnieM said:

Sling does not appear to have an involvement in this round the world trip.

 

Look at the numbers, their performance is good across a range of parameters, nobody is saying they are exceptional.

 

Marketing hype; no better or worse than every other plane manufacturer. Not as over the top as Textron tho.

 

So Sling did not supply the aircraft and/or any finance - just a "happy" coincidence.???

 

The performance is mediocre (neither good/bad).

 

Compare like with like - check out ATEC Faeta, Pipistrel Virus (SW). Both Rotax 912 ULS powered, 2 seat, lightweight aircraft

 

Note on the Virus; - since being purchased by the Yanks its Stall has gone up as has its Cruise.  However its independent CAFE challenge figures were approximately; Stall 30 knots - Cruise 135 knots. I don't know what the Yanks have or not done to change the performance (hype?). My real world ( aircraft instruments ) has the Faeta at the same figures. 

 

Last time I checked a base model Faeta/912 ULS (factory build) was sub $200,000 Au - I believe the Virus was well over $200,000 Au

 

I have never flown a Virus but believe it has very nice handling.

I can vouch for the Faeta -  stunning! so good its almost intuitive.

 

So not all aircraft manufactures market as aggressively as Sling. Cant blame them for that however its disappointing when pilots who should be looking beyond the hype are so easily sucked in.

 

"The Sling 4 TSI and Sling High Wing are both '4 seaters' with a higher useable load than a Cessna 172, altho none of the three are true 4 seaters."

 

The "gaol posts are moving" - I stand to be corrected -the video/comparison was a 2 seat Sling powered by a Rotax 912 V Cessna 172😈

 

 

 

 

 

Posted (edited)
33 minutes ago, facthunter said:

There's ashtrays in the 172. Nev

Not any more.

Ashtrays are politically incorrect, but you get an extra cup holder.

 

Edited by BurnieM
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Posted
3 hours ago, BurnieM said:

Not any more.

Ashtrays are politically incorrect, but you get an extra cup holder.

 

for your beer

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Posted (edited)

" Stall 30 knots - Cruise 135"

135 kts... with 35 kts (Vso ?)  stall..... geez you better be careful in anything but super smooth air unless it is aerobatic G rated.... (thinking about Va)

 

Edited by RFguy
  • Like 2
Posted
3 hours ago, RFguy said:

" Stall 30 knots - Cruise 135"

135 kts... with 35 kts (Vso ?)  stall..... geez you better be careful in anything but super smooth air unless it is aerobatic G rated.... (thinking about Va)

 

Please expand 😈

Posted (edited)
5 hours ago, RFguy said:

" Stall 30 knots - Cruise 135"

135 kts... with 35 kts (Vso ?)  stall..... geez you better be careful in anything but super smooth air unless it is aerobatic G rated.... (thinking about Va)

 

Yep their Va is 91 kts and Vno is 110 kts.  My Nynja 600kg has Va 90 kts and Vno 112 kts;  being a dragger airframe and wing cord I will be using more fuel at 108 kts as an example but good performance a design strength for a rag and tuber.

Edited by Blueadventures
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Posted

Somewhere in here there fits a classification of airctaft bought by Millionaires\Very Well Offs\two thirds of the retirees\the profits from the business\a kit that costs three times what you thought it would\an old heap of crap without engine.

 

If you want to fly different airctaft for different applications, by far the best way is aircraft hire; you avoid the hundreds of hours fixing problems and hundreds of thousands to pay for designer/builders mistakes.

 

RF, your "I've realised now in my 5 years, that even the villiage  idiot can land a Piper." is interesting, testament to your Instructors and experience, but how's this not just for Pipers, but the ones I flew.

 

I would agree with you with one exception, Power on stalls, where the Cherokee will drop instantly out of the sky and give you a few palpitations to tell you it's an aircraft like all the others.

 

The Warrior I took on many long distance flights, which could stop on landing a few metres after the piano keys, became a total write off when someone put it through the fence at the end of a runway.

 

A Cherokee 140 I used for hire in NSW also met its probable end when it was thrown at a golf course where it could have landed.

 

 

 

 

  • Like 2
Posted (edited)

Turbs, WRT your power on stall cherokee comment etc- are you referring to a scenario where say, dragging it in shallow , under a fair bit of power with flaps40, at not much above Vso , where the wing at this airspeed and configuration has a sh1t ton of drag, and then suddenly the airspeed you had dives 5-10 knots due to some sort of change in headwind etc near the ground ? Certainly short fielders in gusty conditions with wind VRB is a snake pit of hazards.

I dont think general instruction prepares students for how hazardous that scenario can be.

 

This morning I was reading about  the "St. Thomas 727 accident" American Airlines Flight 625, a Boeing 727 crash on April 27, 1976, at the St. Thomas airport in the U.S. Virgin Islands.. I've had my own  spinctor tightening in gusty crosswind short field condix. Enough that I am very wary.

 

anyway, please elaborate.

 

 

Edited by RFguy
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Posted
5 hours ago, RFguy said:

can your nynja even get to 110 kts in a  vertical dive ?

No worries, mine 108 kts s&l WOT,  in Uk  tested to 113kts s&l.  Like I was saying nice for a rag and tube.

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Posted

no way. I dont beleive the CAS. that  might be the IAS but noit the CAS at higher airspeeds

the J230 jabiru over reads by about 7 knots at 115KCAS

what's the 75%  (18 lph) cruise speed ?

 

  • Informative 1
Posted

if cruise is say 90 kts at 75 % power,

neglecting  prop efficiency changes (increased prop speed = higher drag)

and that the cruise drag  for the wing was at the bottom of the drag/airspeed bathtub,  (sensible design)

 

then the  best you can hope for at 100 % power is  104 kts...

  • Caution 1
Posted (edited)

anyone else want to do the maths ? there is only a square root involved. or a number to the half power, if you like.

and one multiplication.

BrendAn ?

Edited by RFguy

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