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« Reply #75 on: September 22, 2014, 11:13:38 PM »
sundaram
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There are many who are using this engine successfully Zonuna. There are whole list of video of guys in Youtube who have flown with this engine.
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« Reply #76 on: November 04, 2014, 07:16:06 PM »
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Guess the connection with NGH and this product. I am absolutely thrilled. ordered four more of these.

O.S. Glow Gas Plug G5 for GGT15

http://www.rcdhamaka.com/index.php?main_page=product_info&products_id=1784
http://www.rcdhamaka.com/images/osgg5.jpg
Review: NGH Engines GT9 (9.07 CC)


For that mater this is a good product for any glow engine which you want to run on gas. More review and test result to follow.
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« Reply #77 on: November 04, 2014, 08:14:47 PM »
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i wonder how this works - i thought that all petrol engines required a spark plug and associated
ignition/timing circuitry.

if this could be applicable to bikes a it would simplify things a great deal,

efficiency  must be taking a hit.

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« Reply #78 on: November 04, 2014, 08:34:35 PM »
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There is a brand new OS glow gas engine which is on sale which uses this plug in place of spark plug and CDI ignition.  Which is also using crank pulse pressure for fuel feed.
O.S. GGT15 Glow Gas
http://www.rcdhamaka.com/index.php?main_page=product_info&cPath=58_61&products_id=1780
http://www.rcdhamaka.com/images/osggt15.jpg
Review: NGH Engines GT9 (9.07 CC)


Exactly as expected when I replaced the sparkplug of NGH with this plug. It was happily firing away without missing a beat even after removing the 1.5volts supply. Will not comment further before full test with this plug.
« Last Edit: November 04, 2014, 08:53:16 PM by sundaram » Logged

 

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« Reply #79 on: November 04, 2014, 09:21:00 PM »
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will that GG plug work on O.S MAX-46AX engine ? (newbie in glow) and assuming it works all one needs is gas with oil ?
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« Reply #80 on: November 04, 2014, 09:41:29 PM »
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The glow gas engine has a fuel pump operating from pulse pressure of crank in addition unlike a normal OS glow engine.

Compression of a Glow Engine's ABC Sleeve and ring-less piston per say is much higher compared to a 2 stroke Gas engine with a ringed piston. Further the viscosity of gas fuel is very less compared to a glow fuel and it needs a fuel pump to regulate the fuel feed and it cannot rely on a exhaust pressure feed entirely like a glow.

I am expecting along with a perry pump operating with the pulse pressure from the crank it can be used with a well bedded glow engine. You need to add a nipple to the crank back plate to tap the pulse pressure to feed the perry pump.

I cannot really comment on how it will perform on a glow engine with tapered sleeve at TDC like APC. May be one can try on a old engine which has already worn out.
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« Reply #81 on: November 04, 2014, 09:54:01 PM »
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Thanks for the explanation sundaram.
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« Reply #82 on: November 05, 2014, 03:25:59 PM »
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« Reply #83 on: November 05, 2014, 06:12:06 PM »
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Thats is great Sir, I have a new ngh gt9 that have not used mainly due to its negetive reviews.  I will convert this to glowplug now. Does the glow plug fit directly or any additional fitting required.


It is out of stock now in Rcdhamaka. Will wait until stocks come back,

Thanks
Asutosh
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« Reply #84 on: November 06, 2014, 04:33:25 PM »
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The glow plug fits straight in the plug thread since its same threads as a regular glow.

Most have issues with engine due to the faulty setup of fuel pump and poor quality CDI ignition which came in the initial lots.

High speed full RPM setup should be done once engine becomes warm or else once engine warms up it behaves lean in the same setting done cold. You may have to open half turn or more H'S needle to prevent ignition cutout in WOT.


« Last Edit: November 06, 2014, 04:54:24 PM by sundaram » Logged

 

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« Reply #85 on: December 06, 2015, 09:59:08 PM »
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After using this engine with both CDI Ignition as well as Glow gas engine for quite some time now I have come to conclusion that main issue with this Engine is its Fuel pump. Wonder when NGH is really contemplating on introducing a new Fuel Pump design.

Other than that this engine is pretty much usable. Damn it has an excellent fuel efficiency, runs forever on a 300 ml tank. You just have to get the hang on how to tune the fuel pump or use alternate method to feed fuel. It needs emphasis here that alternate methods to get optimum feed of fuel is equally difficult to tune if not more in comparison to tuning the existing fuel pump.

For all the  >Cheesy >Cheesy >Cheesy fans and for me this engine has still proved to be unreliable for Prop hang.

Please enjoy this Sunday Fight on the Jalandhar Airport of WW vintage airstrip.

« Last Edit: December 07, 2015, 09:59:54 AM by sundaram » Logged

 

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« Reply #86 on: March 14, 2017, 11:30:46 AM »
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Upgraded NGH GT09 has been launched. This one has both Carburetor and fuel pump clubbed into one unit of Carburetor like any other Gas engine.

Cost of the entire engine unit with the carb cost same as old engine. But however if you want to buy just the carb it costs half the engine cost.

https://www.aliexpress.com/item/Carburetor-for-NGH-GT9-GT09-GT-9-Gasoline-Engine/32627990205.html?spm=2114.13010608.0.0.E3iY4S

https://ae01.alicdn.com/kf/HTB11iAyPVXXXXXyXXXXq6xXFXXXn/205920023/HTB11iAyPVXXXXXyXXXXq6xXFXXXn.jpg?size=54226&height=667&width=1000&hash=b80651e410c648f5fd8ada22afcd722d
Review: NGH Engines GT9 (9.07 CC)


https://ae01.alicdn.com/kf/HTB13fIoPVXXXXchXXXXq6xXFXXXu/205920023/HTB13fIoPVXXXXchXXXXq6xXFXXXu.jpg?size=54012&height=667&width=1000&hash=472b0061a0a2bd30432748d0c0482943
Review: NGH Engines GT9 (9.07 CC)


https://www.aliexpress.com/item/NGH-2-stroke-engines-NGH-GT09-9cc-2-stroke-gasoline-engines-petrol-engines-rc-aircraft-rc/32496012309.html?spm=2114.10010108.1000014.2.nKeeNi&scm=1007.13338.71800.000000000000000&pvid=0b17bb5e-a9ce-4987-b6db-b1e1bedd152d&tpp=1

https://ae01.alicdn.com/kf/HTB1H_IsPVXXXXX1XVXXq6xXFXXXq/221941279/HTB1H_IsPVXXXXX1XVXXq6xXFXXXq.jpg?size=152694&height=657&width=876&hash=04c94a706d919c6cdf2177c2ae4f7711
Review: NGH Engines GT9 (9.07 CC)


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« Reply #87 on: March 14, 2017, 11:47:47 AM »
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how is this just 40$ only (Click for aliexpress link)

https://ae01.alicdn.com/kf/HTB19jaQPFXXXXb4XFXXq6xXFXXXD/free-shipping-NGH-100-original-engines-accessories-09250-NGH-fuel-pump-for-GT9-rc-gasoline-engines.jpg_640x640.jpg
Review: NGH Engines GT9 (9.07 CC)




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« Reply #88 on: March 14, 2017, 11:56:13 AM »
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Gusty there was one available for 27$ too earlier now not seen. This is definitely the latest pump with both inlet and out let in same direction.

https://www.aliexpress.com/item/GT9-fuel-pump-09250-NGH-single-cylinder-gasoline-engines-fixed-wing-UAV-multi-rotor/32569048082.html?spm=2114.13010608.0.0.9JWNQ6

But the one posted by me has the pump stage on the carb itself. So no need for a separate pump mounted on a bracket.
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« Reply #89 on: March 14, 2017, 12:02:31 PM »
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That's cool buying one
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« Reply #90 on: March 14, 2017, 12:34:04 PM »
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Manual New Model Engine

http://www.rcindia.org/fuel-and-engines/review-ngh-engines-gt9-(9-07-cc)/?action=dlattach;attach=728833;image
Review: NGH Engines GT9 (9.07 CC)

* GT9-Pro Manual.pdf (181.68 KB - downloaded 25 times.)
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