This i why I didn’t succed to get it running in the 1st place. Saw no need in enabling cross flow (forgot about the valves though)
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Yeah, leave crossflow be. 
Just open both valves, set both mixtures to 100 (depending on airport altitude) and that should be all you need to do back there until you are 3,000 feet AGL or so.
Personally I’d like to see a water rudder added as a temporary solution till differential thrust can be modelled.
Given a choice between an imperfect and unrealistic temporary solution and not being able to turn the plane on the water below takeoff speeds I go for the pragmatic choice.
Water rudders don’t work in MSFS…
I think @RealMatch has something like this in mind.
That’s great but other developers are waiting for means to implement the water rudders in their amphibian aircraft. They have the rudders modelled but there is no way (so I’m told) to programme them to work yet.
There is definitely something that the Icon A5 for example is hooking into to allow turning on water.
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The Icon turns on its own axis when the throttle is at idle. This is a very neat work around and I asked one developer if he could implement the same behaviour in his amphibian. He said it would be a lot of bother and that I should be patient. Perhaps he knows something,? The Icon does not react to water rudder inputs when taxying on water.
Given that the Xbox version preview video released yesterday showed a floatplane and wakes on the water, I’m guessing we’ll see improved water handling (and hopefully water rudders) in the July sim update.
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I have zero problem with implementing a water rudder feature until asymmetric thrust works appropriately (and it can stay, doesn’t bother me). I was just pointing out that it wasn’t on the real plane because the person I was responding too sound like he thought it was missing.
As I posted in the Goose thread, you should only need a difference of 50 rpm from one side to the other to initiate a turn.
They work just fine. Water rudders are only effective at slow speeds. In a real Icon, you wouldn’t be floating around if the wind was greater than 6 knots either.
But, perhaps you’re just confused… Authors are not waiting to implement water rudders, they’re waiting for asymmetric engine thrust to be properly implemented, and, in the meantime they are putting water rudders in their planes until this is fixed.
I use the water rudder in the Icon just fine, but only at low speed, and it’s not as effective as it might be, but, I think that’s because it’s really small, and it’s true the water physics in MSFS need improvement.
If you use the water rudders in FSX without due caution you will flip the aircraft over. I have tested the Bird Dog amphibian and the Cub Crafter amphibian and there was NO difference in aircraft water handling behaviour. This also true of the Icon. Impossible to moor up against a pontoon etc. The Icon will turn on it’s axis when the throttle is at idle which does allow for more accurate maneuvering .The developer of the Bird Dog has said that water rudder effects could not be implemented at this time but to be patient…
And the developer of the Goose did add it. And I have no problem docking with the Icon and the water rudder. Takes longer than it should but I can get it. Move slowly, and if the winds are higher than 6 knots, you’ll have issues as that’s basically the rating for the plane on the water as a boat. I do agree that by default, the water rudder on the Icon is too small.
The bird dog is different because it’s a pontoon plane, and I’m not sure the water rudder would work with it. It might if you put it on the centerline.
I recently purchased this aircraft and love it! Great high quality textures and good flight model. Beautiful aircraft. Very pleased overall and excited for future updates and other models by Flysimware.
My only input would be to add AP. The Bendix king KAP 140 would be a good fit, I think it would also be a lot more popular when people looking to purchase it see it comes with working AP. Or maybe just have the option for KAP 140 or ADF KR87. Just a thought.
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But WHY? It trims out PERFECT! I don’t think it needs AP.
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A variant featuring a Century III autopilot would be acceptable.
Karl
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AP isn’t just about trim. Sometimes you have to take hands off to do other things. I don’t think anyone here suggested they needed an AP because it was difficult to fly. And if it trims so well, and you are taking your hand a off the yoke without an AP, then you aren’t flying safely.
Do you have a pen?
What? Many real GA aircraft and older don’t have APs.
I’m not a pilot, but I would imagine that flying a plane without your hands on the primary controls is a little unsafe? I wouldn’t even do that in a car.
My original point was just because a plane trims out well shouldn’t be used as an argument against having an AP. Pilot fatigue would be one example reason for having an AP.
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When flying you should be able to hold the yoke with two fingers, ie. trimmed correctly. Relying on a AP (and GPS) is the not safe part. They can break. Then if you did not have your “head out the window” metaphorically speaking - situational awareness, that is unsafe. Yes an AP helps with workload fatigue etc. but for the Grumman it’s not realistic.
Besides the only Grumman with AP is the J4F-3, the J4F-2 is the widgeon I believe.
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I just went looking for some details of other variants on its Wikipedia page. I had no idea it was the plane from Fantasy Island. 