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Caravan: Two Big Thumbs Up!

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It's interesting that you would mention the low level-flight cruise speed, Kurt. I did a couple of quick flights with the Caravan right after I downloaded it, and in both I was never able to get the speeds up to where they were supposed to be either. In fact, I was barely able to get it to 80 KIAS at first. That was with my default scenery testing flight loaded. When I went back to it last night and loaded my default "flight" situation, I was able to get the speeds right up into the 130-140 range. Perhaps there's something going on with the flight dynamics that somehow limits the speed on occasion. I'll be interested to hear if you continue to have speed problems, or if it resolves itself.
Hmmm. It worked better after you loaded the default Cessna? I'll give that a try and see if it makes a difference for me, too. Wouldn't be the first time that's happened.

Best Regards,

Kurt "Yoda" Kalbfleisch

Pinner, Middx, UK

Beta tester for PMDG J41, NGX, and GFO, Flight1 Super King Air B200, Flight1 Cessna Citation Mustang, Flight1 Cessna 182, Flight1 Cessna 177B, Aeroworx B200

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Hmmm. It worked better after you loaded the default Cessna? I'll give that a try and see if it makes a difference for me, too. Wouldn't be the first time that's happened.
Oddly, no. The plane that my flight loaded with was the Carenado 172. I haven't tried loading the default 172 first.

Bill Womack

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Visit my FS Blog or follow me on Twitter (username: bwomack).

Intel i7-950 OC to 4GHz | 6GB DDR3 RAM | Nvidia GTX460 1gb | 2x 120GB SSDs | Windows 7 Ultimate 64Bit

Prop RPM rose to a couple notches above the red line...where's the prop governor? According to Cessna's website, the 208B's engine is protected by an overspeed governor, so with the prop lever full forward, I would expect the prop RPM to rise to the red line and stay there.
In mine there seems to be a discrepancy between the RPM shown on the gauge and the RPM shown on the text tag. Gauge shows higher by about 50 RPM. For example, if I set 1750 RPM using the text tag that pops up when I mouse over the gauge, the dial itself shows 1800. So it may not be actually exceeding max prop RPM - the gauge may be calibrated incorrectly.For the most part she flies really well, and is certainly breathtakingly beautiful. Did you notice the static whips vibrating in the breeze? Lots of great details.Other small issues: No sound on flaps extend or retractThe GNS 430 is inconsistent in how it operates and generally pretty much inscrutable. Does anyone know if I use the Reality XP version, will the inevitable Carenado patch mean I have to start over on placing the Reality XP into the panel?

Picked it up last night and overall very impressed. Beautiful plane, flies very nicely. But I agree on the cruise speed, it seems awfully low. I put in a different autopilot and GPS just for personal preference. I hope we get some RW Caravan pilot input on cruise speed with a corresponding FDE update if needed.

On the first flight last night I was seeing speeds about in the same range as you guys are already mentioning. Cruising at 5000', 18 degrees OAT, no baggage or passengers, RPMs at 1900/red-lined and keeping the temp at 740 degrees, she settled in at 117 IAS. There was nothing I could do to get her going any faster while keeping everything in the green. There was more torque available but the temp would sky rocket. Once in a while I would notice the indicator needle move a little bit. When it did that, mousing over the needle would give me the pop-up showing a fluctuation between 120-119 IAS, but it would always settle back down to the 117 IAS.One thing that I did notice that maybe important is that the RPM indicator needle and the pop-up tool tip for the RPMs never matched. The actual needle was always indicating about 50 RPM higher than the pop-up. At 1900/redline the pop-up was showing about "1850". If the pop-up was the more accurate of the two, I sure would have liked to have that other 50 RPMs.I had to laugh a bit because the plaquard in the center of the console says to land immediatly if unable to maintain 120 IAS in level flight. Well if that was the case I was in violation of that order throught the flight. :) The only way I could manage over 120IAS was to either firewall the torque or start a decent. Even then with the torque and temp maxed out I still don't think I saw 140 IAS.Other than what seems to me to be underpowered, the aircraft itself is one of the best looking aircraft Carenado has done yet.FAC

Make sure that the Inertia Seperator right from the yoke and above the elevator isn't switched on by default. It kills quite a bit of engine power, like the carb heat in piston engine aircraft does. I reached cruise speeds of 140 KIAS with reduced power settings that way. At least that's what the gauge in the aircraft said. Strangely the KIAS display in the "magic red text" gave me values that were 10-15 knots lower than that.

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On the first flight last night I was seeing speeds about in the same range as you guys are already mentioning. Cruising at 5000', 18 degrees OAT, no baggage or passengers, RPMs at 1900/red-lined and keeping the temp at 740 degrees, she settled in at 117 IAS. There was nothing I could do to get her going any faster while keeping everything in the green. There was more torque available but the temp would sky rocket. Once in a while I would notice the indicator needle move a little bit. When it did that, mousing over the needle would give me the pop-up showing a fluctuation between 120-119 IAS, but it would always settle back down to the 117 IAS.
What's decidedly odd here is everyone is seeing different speeds. You get 117 at 740 deg ITT at 5,000 feet and no passengers or cargo. I just ran the same weight/altitude/temp conditions at 1900 RPM (mouse over) and 1733 torque, sat at 740 ITT, and I get about 133 KIAS, which is 8 knots faster than I did this morning. Someone earlier said they were at 105 KIAS. If it was just the flight model - say drag modeled too high - it would be very consistent. Some strange bug.

I'm not sure I'd call it a bug without establishing some consistency. I'm headed out of the office now and I'll go try a flight using the same set up and conditions as FAC, publish my results, and see where we're at. Bill, Glenn, maybe you two guys can do the same thing.

Best Regards,

Kurt "Yoda" Kalbfleisch

Pinner, Middx, UK

Beta tester for PMDG J41, NGX, and GFO, Flight1 Super King Air B200, Flight1 Cessna Citation Mustang, Flight1 Cessna 182, Flight1 Cessna 177B, Aeroworx B200

Anyone know what model year this one is? Thanks.

When Pigs Fly . Ray Marshall .

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I'm not sure I'd call it a bug without establishing some consistency. I'm headed out of the office now and I'll go try a flight using the same set up and conditions as FAC, publish my results, and see where we're at. Bill, Glenn, maybe you two guys can do the same thing.
I tried to reproduce FAC's conditions; 18C, no wind, no passengers or cargo, full fuel. At 4000' cruising, I was able to achieve 140KIAS at 1820 ft/lb of TQ and 1884 RPMs. The ITT stayed at 661 degrees for a few minutes. After a while though, the temps started shooting up with those settings, culminating in 800 degrees (which seems to be the redline). I had to throttle back in order to put the temps back in the green, at which point I was only able to maintain about 120KIAS in level flight. It seems as though the engine runs too hot and flies too slowly. I'll be curious what others find.

Bill Womack

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Visit my FS Blog or follow me on Twitter (username: bwomack).

Intel i7-950 OC to 4GHz | 6GB DDR3 RAM | Nvidia GTX460 1gb | 2x 120GB SSDs | Windows 7 Ultimate 64Bit

I just took off on my second flight.Same aircraft setup. I think the OAT is always 18C, I'm not sure the thermometer is a working gauge?To keep the ITT temp at 740 I've got the torque at 1300 ft-lbs, RPMs at 1900(pop-up)/1950(indicator needle). I've tried the Prop Condition both High and Low which seems to not have an affect on the numbers. Inertial seperator is off as it was last night.Level @ 5000' and showing 118-119 KIAS/135 MPH. That's all she's got. BTW, I realy like the interior night lighting options.FAC

I just took off on my second flight.Same aircraft setup. I think the OAT is always 18C, I'm not sure the thermometer is a working gauge?To keep the ITT temp at 740 I've got the torque at 1300 ft-lbs, RPMs at 1900(pop-up)/1950(indicator needle). I've tried the Prop Condition both High and Low which seems to not have an affect on the numbers. Inertial seperator is off as it was last night.Level @ 5000' and showing 118-119 KIAS/135 MPH. That's all she's got. BTW, I realy like the interior night lighting options.FAC
Seems like the issue is extreme sensitivity to OAT. I ran your numbers but at my own local OAT, which is about 5 deg C at 5,000 feet. I was able to get 1733 torque at 1900 RPM and 133 KIAS (in order to keep ITT at 740.)When I went into custom weather and set it to 18 deg C (about 64 deg F in the temp field) the ITT shot up to 785 deg. To get ITT back down to 740 I had to reduce torque to - you guessed it - 1300 ft-lbs. Then I got 119 KIAS.So I can reproduce your numbers, but only if I exactly match your OAT.

Bill, I'm seeing the same thing. Engine runs too hot.At 5000 feet and 20C, I've got 114 KIAS (126 KTAS) with 1220 ft/lbs TQ, 1881 prop RPMs and 740oC on the ITT. Interestingly, the book says that at 20C I should be able to get about 1600 ft/lbs at 1900 RPM, observing the caution to maintain ITT below 740 in the cruise, and that should give me 165 KTAS.If I ignore the ITT limitation and push the power up to 1600 ft/lbs of TQ at 1900 RPM, I get 127 KIAS for 140 KTAS.So, I think your assessment is right: engine runs hot and slow.Edit: Just did another flight with lower OAT, and got substantially better performance. Kalahari, I think you're also onto something.

Best Regards,

Kurt "Yoda" Kalbfleisch

Pinner, Middx, UK

Beta tester for PMDG J41, NGX, and GFO, Flight1 Super King Air B200, Flight1 Cessna Citation Mustang, Flight1 Cessna 182, Flight1 Cessna 177B, Aeroworx B200

Climb to 10,000'OAT 15C (It does work) :)ITT 740RPMs 1950(indicated)/ 1900(pop-up)Torque 1300 ft-lbs115-116 KIAS / 133 MPHFAC

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