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Forum: RIBs & ribbing 06 December 2007, 10:57
Replies: 48
Views: 7,232
Posted By Chris
Where can you find information about Torqueshift ...

Where can you find information about Torqueshift

Chris
Forum: RIBs & ribbing 06 December 2007, 09:08
Replies: 48
Views: 7,232
Posted By Chris
:eh: Why dont we start a post where...

:eh:

Why dont we start a post where everyone posts up what spare props they have.....

I am going to start a post and ask John to make it a Sticky :thumbs:

Chris
Forum: RIBs & ribbing 06 December 2007, 07:05
Replies: 48
Views: 7,232
Posted By Chris
Keth I thought the max RPM for an Etec 115 was...

Keth I thought the max RPM for an Etec 115 was 5500? :p

Check out this spec sheet for the 115.....

https://www.llynmarine.co.uk/images/SPEC_ETEC115.pdf

it shows that the engine develops...
Forum: RIBs & ribbing 06 December 2007, 06:56
Replies: 48
Views: 7,232
Posted By Chris
Totally agree Ian I have about £800 worth of...

Totally agree Ian I have about £800 worth of props that I would be lucky to get £250 on ebay. :]
Forum: RIBs & ribbing 05 December 2007, 09:22
Replies: 48
Views: 7,232
Posted By Chris
Andy, there will be a test wheel specific for...

Andy, there will be a test wheel specific for each engine. The idea is that the test wheel loads up your engine to its maximum power so when fitted and run up in a test tank your engine should pull...
Forum: RIBs & ribbing 05 December 2007, 06:54
Replies: 48
Views: 7,232
Posted By Chris
I think people tend to get hung up on RPM...

I think people tend to get hung up on RPM especially if your tacho is not too accurate...

Why sacrifice top speed just so you get your ideal RPM reading on the tacho?

Most engines are designed...
Forum: RIBs & ribbing 04 December 2007, 20:05
Replies: 48
Views: 7,232
Posted By Chris
OK i have tried a couple of prop calcs online and...

OK i have tried a couple of prop calcs online and I am definately only getting about 3.3% slip at WOT, I have calculated this on a 19" prop although mine is 18" but the instruction on the web page...
Forum: RIBs & ribbing 04 December 2007, 19:57
Replies: 48
Views: 7,232
Posted By Chris
Totally Confused

I cannot figure out where I am going wrong on this.

MY RPM at WOT is 5400
Ratio on the etec is 2:1
Prop is an 18" SS

so using the calculation according to Downhilldai...

5800 engine rpm /...
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