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Search: Posts Made By: Onceapilot
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Forum: Rumours & News
14th Aug 2018, 18:07
Replies: 503
Views: 344,368
Posted By Onceapilot

Thanks, A Squared. Yes, no probs with the...

Thanks, A Squared. Yes, no probs with the torquemeter oil pressure system. I was just interested if there was anything different in the Convair BMEP type of indication. Thanks very much again for...
Forum: Rumours & News
14th Aug 2018, 16:37
Replies: 503
Views: 344,368
Posted By Onceapilot

Can I ask, does anyone have the details of how...

Can I ask, does anyone have the details of how the BMEP indicator system on the Convair operated? I understand the function of the BMEP indication but, I have drawn a blank on what parameters the...
Forum: Rumours & News
12th Aug 2018, 07:58
Replies: 503
Views: 344,368
Posted By Onceapilot

In the report, 1.6.1 "The minimum permissible...

In the report, 1.6.1 "The minimum permissible cylinder head temperature is 260°C (500°F); the minimum permissible oil-in temperature is 100°C (212°F)," should read "Maximum" for those two...
Forum: Rumours & News
3rd Aug 2018, 21:18
Replies: 503
Views: 344,368
Posted By Onceapilot

That is a salutary lesson that many should...

That is a salutary lesson that many should review! :eek:

OAP
Forum: Rumours & News
23rd Jul 2018, 09:39
Replies: 503
Views: 344,368
Posted By Onceapilot

Yes, not doubting the figure for the late R-2800,...

Yes, not doubting the figure for the late R-2800, just don't know the criteria used. :) Anyone know the engine failure rates used in civil certification of big piston airliner engine certified TBO?...
Forum: Rumours & News
22nd Jul 2018, 16:13
Replies: 503
Views: 344,368
Posted By Onceapilot

Yes, impressive for big piston engine. I have...

Yes, impressive for big piston engine. I have found top civil Merlin TBO of between 650 and 800 hours in the early 1950's. Don't know the survival rate or average mortality for that TBO. Likewise,...
Forum: Rumours & News
21st Jul 2018, 14:20
Replies: 503
Views: 344,368
Posted By Onceapilot

Although the official definition of the problem...

Although the official definition of the problem that led to this unfortunate incident will come in time, it is worth noting that piston engine failure in service is statistically much more common...
Forum: Rumours & News
21st Jul 2018, 08:16
Replies: 503
Views: 344,368
Posted By Onceapilot

Yes, piston engine. :) It is worth being...

Yes, piston engine. :) It is worth being precise on function of these controls. The P is for propellor speed/rpm (and directly, engine rpm). The propellor control lever does influence propellor...
Forum: Rumours & News
20th Jul 2018, 19:09
Replies: 503
Views: 344,368
Posted By Onceapilot

Hi Chris! The complex relationships between...

Hi Chris!
The complex relationships between RPM/MAP/Propellor/engine controls etc and Power, could fill many volumes. I cannot contradict your recollections of a Twin Wasp installation. However,...
Forum: Rumours & News
20th Jul 2018, 16:08
Replies: 503
Views: 344,368
Posted By Onceapilot

I would tend to agree with your observation about...

I would tend to agree with your observation about the centred rudder showing fairly balanced power, along with the limited deviation of flightpath. Beyond that, it is worth noting that engine...
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