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Norvel .074 glow plugs

Cox Engines Forum  :: Models and Modeling

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Norvel .074 glow plugs

Post  coxaddict on Thu May 17, 2018 10:30 pm

I bought a few Norvel .074 helicopter engines last year that didn't come with glow plug inserts.
Found some inserts on th'bay today. One seller has 5 for $22+ shipping. The other one is selling 2 for $25.00.
Part number is 110158. Don't know how long the listings will last
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Re: Norvel .074 glow plugs

Post  1/2A Nut on Fri May 18, 2018 4:37 am

Better than that is the Norvel turbo plug adapter!
I did the standard plug insert too not near the power out compared to the turbo plug.

http://www.nvengines.com/index.php?page=shop.product_details&flypage=flypage-ask.tpl&product_id=181&category_id=6&option=com_virtuemart&Itemid=65

Here are two of my test vids with the turbo plug adapter

For sport speed:


Published on Dec 11, 2017
Norvel .074  / HQ 5x4.5 carbon / Modified Heli muffler / Turbo O.S. P6 Plug / Norvel Adapter.
Static 22,771rpm / 14.81oz / .239hp / 178.3w / 97 mph / 25% nitro 20% castor
Should unload a speed ship in the upper range of 115 mph +
Stock Norvel plug did 19.86k rpm with the same prop.

For a mix of thrust and speed:


Uploaded on Dec 12, 2017
Norvel .074 / Turbo Plug / APC 6x4 / 18,653 rpm
Static 21oz thrust / .242hp / 181w / 71 mph
Should unload most planes in the 80 mph range.


RC Plane
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Re: Norvel .074 glow plugs

Post  batjac on Fri May 18, 2018 5:46 am

Which turbo plug are you using?
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Re: Norvel .074 glow plugs

Post  1/2A Nut on Fri May 18, 2018 9:04 am

Turbo O.S. RP6 Plug



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Re: Norvel .074 glow plugs

Post  coxaddict on Fri May 18, 2018 3:57 pm

Thanks 1/2A Nut,
I'll look at their website. Are items shipped from Russia?
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Re: Norvel .074 glow plugs

Post  1/2A Nut on Fri May 18, 2018 3:58 pm

No I received mine from a USA location within 6 days.
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Re: Norvel .074 glow plugs

Post  akjgardner on Fri May 18, 2018 5:14 pm

1/2A Nut wrote:Turbo O.S. RP6 Plug



could someone explane to me why you would use a cold plug instead of a hot plug ? Thanks
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Re: Norvel .074 glow plugs

Post  1/2A Nut on Fri May 18, 2018 8:12 pm

High:
- heat environment / summer months
- compression
- nitro
- engine that runs hot due to few cooling fins or enclosed
- high rpm's
- fast idle
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