7 hours ago
Orv, has anyone ever done a study using string and video to show how the air flows through our ships in a hover and forward flight? Seems like we could do a lot of useful modifications that would improve cooling. Experimenting can lead to the issues you experienced. Graeme has done some interesting stuff in this area, but it seems like we should be able to get more cool air to the engine and radiator without extensive modifications.
I still can only get about 10 minutes of hover training done for my bride before we reach redline. I have purchased an electric water pump, but I am not convinced this will fix the problem and this is a big modification to undertake only to find out it didn't fix the issue. When I hover without any cowl, it seems to stay cooler. This tells me I have an airflow problem, not a water circulation problem.
I think before I do the electric water pump, I am going to cut holes in the upper rear cowl to allow more cool air direct to the radiator. Would be nice to have a study show the airflow rather than experimenting. But the helicopter has a big EXPERIMENTAL label on it, so....
I still can only get about 10 minutes of hover training done for my bride before we reach redline. I have purchased an electric water pump, but I am not convinced this will fix the problem and this is a big modification to undertake only to find out it didn't fix the issue. When I hover without any cowl, it seems to stay cooler. This tells me I have an airflow problem, not a water circulation problem.
I think before I do the electric water pump, I am going to cut holes in the upper rear cowl to allow more cool air direct to the radiator. Would be nice to have a study show the airflow rather than experimenting. But the helicopter has a big EXPERIMENTAL label on it, so....