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Forum: Technical Q&A

27-09-2010, 04:08 PM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Na its not a silly idea, just not a Allinson...

Na its not a silly idea, just not a Allinson engine, they are renound for being fragile.

https://www.gasturbine.pwp.blueyonder.co.uk/allison.htm

But may be a Nimbus 900shp
...

Forum: Technical Q&A

26-09-2010, 11:23 PM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Here you go James, just a few more links to wet...

Here you go James, just a few more links to wet your appetite. :hugegrin:

https://www.marineturbine.com/press/misc/power.pdf

https://www.texs.com/magazine/tsg_13.htm

In all honesty the...

Forum: Technical Q&A

26-09-2010, 06:43 PM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Hi Paul, sorry to hear about their accident and I...

Hi Paul, sorry to hear about their accident and I wish them both a speedy recovery. Would be interesting to know the cause of the roll over was as this is the first I have heard of one rolling with...

Forum: Technical Q&A

23-09-2010, 01:12 AM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

If he realy wants to 100mph the best engine would...

If he realy wants to 100mph the best engine would be a Rolls Royce Allison gas turbine, 450 bhp and 70Kg in weight mounted on th origanal leg. :hugegrin:
...

Forum: Technical Q&A

14-09-2010, 11:41 AM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Many thanks for that Paul

Many thanks for that Paul

Forum: Technical Q&A

06-09-2010, 10:46 AM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Mercury 525 conversion. Was just looking up the...

Mercury 525 conversion. Was just looking up the specs for the 525EFI. Not to sure he would gain a lot over the Optimax.

The 525 is 550kg base weight
100kg drive,
I would estimate 75kg for...

Forum: Technical Q&A

05-09-2010, 06:41 PM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Hi Paul and many thanks for the excellent reply,...

Hi Paul and many thanks for the excellent reply, they photo's are great. I think they are an very underrated hull and gained a bad reputation for rolling over due to the top heavy engine. I have seen...

Forum: Technical Q&A

05-09-2010, 03:45 PM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Trim tab size

The hull length is wetted length is 25ft so that would mean 25 inches long, still sounds a lot. As for orientation would fit them with the rise of the hull because I am very limited by the vertical...

Forum: Technical Q&A

04-09-2010, 09:24 PM

Replies: 25

Trim tabs on a Cougar 225 inboard.

Views: 6,813

Posted By PerformanceDodge

Trim tabs on a Cougar 225 inboard.

1,Would it be worth fitting trim tabs to my inboard Cougar 225

2,What would be the advantage

3, What angle of motion would they need to move in degree from full up to full down.

4, Can...

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