Fri Jul 31, 2020 5:06 pm
#1787499
Just an update.
We have had a good look at the airframe, and nothing seems to be moving, loose, or flapping. We have had the mufflers off and found all ok. We have had done extensive ground running with no recurrence of noise on the ground.
I did a long flight a couple of days ago with an instructor friend who had a couple of hundred hours instructing in Bolkow Juniors back in the day and no noise was heard. While he was flying I had a good chance to stick my ear near the tacho. That sounded OK. And I listened to the Gyro instruments. The AI has noisy bearings, but different noise. The DI sounded fine.
I flew it again yesterday, solo, for an hour with no noises.
If it comes back, I will have to think again.
Thanks everyone.
We have had a good look at the airframe, and nothing seems to be moving, loose, or flapping. We have had the mufflers off and found all ok. We have had done extensive ground running with no recurrence of noise on the ground.
I did a long flight a couple of days ago with an instructor friend who had a couple of hundred hours instructing in Bolkow Juniors back in the day and no noise was heard. While he was flying I had a good chance to stick my ear near the tacho. That sounded OK. And I listened to the Gyro instruments. The AI has noisy bearings, but different noise. The DI sounded fine.
I flew it again yesterday, solo, for an hour with no noises.
If it comes back, I will have to think again.
Thanks everyone.