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Forum: Engines & props 03 January 2008, 20:58
Replies: 23
Views: 4,874
Posted By bernithebiker
That's right; in the US, the quoted octane is RON...

That's right; in the US, the quoted octane is RON + MON / 2, where MON is a tougher, more real life test and is nearly always lower than RON.

Therefore, US quoted octane figures at the pump will...
Forum: Engines & props 03 January 2008, 18:27
Replies: 23
Views: 4,874
Posted By bernithebiker
Indeed.

Indeed.
Forum: Engines & props 03 January 2008, 17:54
Replies: 23
Views: 4,874
Posted By bernithebiker
You are right, strictly speaking, it is...

You are right, strictly speaking, it is detonation.
Forum: Engines & props 03 January 2008, 16:59
Replies: 23
Views: 4,874
Posted By bernithebiker
that above link may not work so, just in case,...

that above link may not work so, just in case, here it is in full;

Subject: High Octane Fuel, a good read


Here is another, and my favorite! I posted this many times, and decided to make it...
Forum: Engines & props 03 January 2008, 16:58
Replies: 23
Views: 4,874
Posted By bernithebiker
Note, that they promote the use of gasolines with...

Note, that they promote the use of gasolines with cleaners in them. Noone is arguing with that.

But nothing is to be GAINED, performance wise, by using higher OCTANE gasolines.

Indeed, the...
Forum: Engines & props 03 January 2008, 16:52
Replies: 23
Views: 4,874
Posted By bernithebiker
This is an excellent analysis of this subject; ...

This is an excellent analysis of this subject;

https://www.rinconriders.com/index.cfm?action=thread&catid=25&topid=142&thrid=44584
Forum: Engines & props 03 January 2008, 16:48
Replies: 23
Views: 4,874
Posted By bernithebiker
No, high octane fuel is LESS likely to go bang. ...

No, high octane fuel is LESS likely to go bang.

It is a common misconception.

In the quest to extract more performance from petrol engines, desginers raise the compression ratio (how much the...
Forum: Engines & props 03 January 2008, 09:39
Replies: 23
Views: 4,874
Posted By bernithebiker
A good tip for consumption is to not use higher...

A good tip for consumption is to not use higher octane fuel than you need to. In the US alot of the gasoline is around the 90 RON mark (often lower). The higher the octane, the higher the resistance...
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