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Forum: "1/2 A" & "1/8 A" airplanes

02-08-2014, 02:32 AM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

They call it a "fuel jet" but there is no parts #...

They call it a "fuel jet" but there is no parts # for it, what I can see. Just contact NV and hopefully they can help you out.

Forum: "1/2 A" & "1/8 A" airplanes

09-02-2012, 09:07 AM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

RE: Norvel Engine FAQ

It can more easily get overheated and the compression setting might also be too high. You can add a few more head shims and run the engine a little rich, and it might be fine.

A 7x4 spinning at...

Forum: "1/2 A" & "1/8 A" airplanes

09-01-2012, 10:59 PM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

RE: Norvel Engine FAQ

To me they should at least spin above 16500rpm to be happy. The APC 6.3x4 is a nice match and will give you +17000rpm.

Forum: "1/2 A" & "1/8 A" airplanes

11-06-2011, 12:00 AM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

RE: Norvel Engine FAQ

Standard plugs are just wasting power on the small engines. If you match the plug length to the head, seal the threads and trim the combustion ratio (often too low) you can almost get good power out...

Forum: "1/2 A" & "1/8 A" airplanes

11-04-2011, 01:09 PM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

RE: Norvel Engine FAQ

I often run-in of engines on 80-20 fuel, they do run but the handling (cold weather starts and needle sensitivity etc.) is better on about 10%nitro.

Forum: "1/2 A" & "1/8 A" airplanes

10-28-2011, 10:56 AM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

RE: Norvel Engine FAQ

The user name on ebay should be: cox_hyper_speed

But he's not listing anything at the moment.

Forum: "1/2 A" & "1/8 A" airplanes

10-28-2011, 10:25 AM

Replies: 538

Sticky Norvel Engine FAQ

Views: 192,582

Posted By Mr Cox

RE: Norvel Engine FAQ

Jon Valentine makes Turbo-plug heads for the Norvel .074, search for user name "hyper-speed" or something similar.

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