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Forum: RC Jets

03-20-2011, 09:46 PM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

13" is a good starting point and you will have to go from there. I too was approx 3-4 oz. nose heavy and I'm using a PST j600 (14 lb thrust). I added the weight in the booms along the rudders. I...

Forum: RC Jets

01-21-2011, 11:04 AM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

O.K. my starfire exhaust diameter is 3 1/2". Take a look at usarcjets.com under the accessories/upgrades they have a nacelle for the dynamax fan for 159.99

Forum: RC Jets

01-21-2011, 10:43 AM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

5" Would be good for a Byron setup but is too big for dynamax - it will work but you will lose a significant amount of thrust. I should have the measurement from my starfire shortly.

Forum: RC Jets

01-21-2011, 06:34 AM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

the length of the tube is not as important as the diameter of the end of the tube. As the diameter gets smaller the thrust increases however there is a limit to that. I still have a YA starfire with...

Forum: RC Jets

12-04-2010, 09:00 PM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

I understand what you're saying but knowing there is a way to ensure no air gets to your engine (as long as you don't have any other issues) such as using a header or a UAT- why would you even take a...

Forum: RC Jets

12-04-2010, 05:09 AM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

the 2 9 oz tanks are bvm ducted fan tanks from an aggressor II. just changed the rubber stopper and the fuel line. The header is not only for capacity but also helps cut out spotty operation when...

Forum: RC Jets

12-03-2010, 07:48 PM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

here are some pics of the smoke setup... Looks like a mess but there isn't much room in there. In the far back left is the first 9 0z. tank right along side the main tank. On the left side there are...

Forum: RC Jets

11-28-2010, 07:25 PM

Replies: 5,088

Bob Cat Copy Falcon 120 Jet

Views: 1,237,005

Posted By gawlevi

RE: Bob Cat Copy Falcon 120 Jet

I"ll see if I can get a hold of Joe and see if he has any pics of the smoke setup. As I recall he's using a 20 oz tank and a 4 oz header along side the U.A.T. right in front of the main 64 oz fuel...

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