Search found 6 matches

by mrbTR182
Thu Jun 05, 2025 3:10 pm
Forum: Engine Talk
Topic: Lycoming Tips for Leaning Lycoming Engines
Replies: 9
Views: 291

Re: Lycoming Tips for Leaning Lycoming Engines

Nad, I agree it is sad that data/info is so anemic. But that was the way it was 45 years ago.
POH numbers came from test pilots on brand new aircraft. Endurance is likely from LOP best case. Speed, ROP leaned to best speed.

I’m not advocating lean of peak on carbureted engines, even if our fore ...
by mrbTR182
Tue Jun 03, 2025 2:36 pm
Forum: General Discussion
Topic: TAS online calculator tool
Replies: 0
Views: 50

TAS online calculator tool

Hi,

Scott posted about indicated and true airspeeds. I've attached a link to Wolfgang Polak's online tool to derive TAS from your observed GPS ground speed. He is a member of EAA Chapter 62.

It requires you to fly a minimum of three legs that are 90 degrees difference to each other. I suggest ...
by mrbTR182
Tue Jun 03, 2025 1:19 pm
Forum: Engine Talk
Topic: Lycoming Tips for Leaning Lycoming Engines
Replies: 9
Views: 291

Re: Lycoming Tips for Leaning Lycoming Engines

Scott, a good post but a couple of points to mention for turbo owners.

When I got the TR I was starved for information on proper engine ops, Paul New’s class was most helpful, I highly recommend it, it is worth every penny . But good engineering information for the user is really lacking. Even ...
by mrbTR182
Tue Jun 03, 2025 12:53 pm
Forum: Engine Talk
Topic: Lycoming Tips for Leaning Lycoming Engines
Replies: 9
Views: 291

Re: Lycoming Tips for Leaning Lycoming Engines

Hi Nad, when you are following the advice of a person, mechanic or otherwise, it is good to ask why should you be putting trust into what they are saying?

Why are they saying to run that way, do they have an explaination?
Do they know there is no maximum TIT or EGT engine or airframe limit?
Were ...
by mrbTR182
Thu Jan 23, 2025 7:00 pm
Forum: Engine Talk
Topic: electroair Electronic Ignition replacement for 0540-J3C5D Dual magneto
Replies: 8
Views: 3326

Re: electroair Electronic Ignition replacement for 0540-J3C5D Dual magneto

Hello, There was a refernce to a zoom call a couple of posts above on this topic. Was it held, was it recorded and might it be available to review?
Thanks
by mrbTR182
Thu Jan 16, 2025 7:21 pm
Forum: Engine Talk
Topic: Cleaning oil suction screen as required by AD2024-21-02
Replies: 3
Views: 583

Re: Cleaning oil suction screen as required by AD2024-21-02

Good reminder and photos. Also care should be taken to center the screen on the alignment tube. Yes, the split side of the AN900's should go against the non rotating surface, the block, not the nut.

Importantly the nut is not torqued, crush washers are run up snug then a fixed rotation amount ...