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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › I'M BACK! AFTER a 2 year break and I still LOVE HELIS!
07-04-2017 02:11 PM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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found a gal for 20 bucks.

16
bucks for new plugs artf
Insha Allah made in america
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07-04-2017 03:25 PM  33 months ago
EEngineer

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TX

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"found a gal for 20 bucks."

What a deal....but not near enough.

So much for S&W

I'll stick with powermaster....
Logo 600SXs, 800XX, TDR IIs
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07-04-2017 03:52 PM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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RC HELICOPTER FUEL 30% R/C Nitro COOL POWER HIInsha Allah made in america
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07-04-2017 04:15 PM  33 months ago
EEngineer

rrProfessor

TX

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What's "cool power HI"?

Used to use cool power....when they had the green dye....

The dye ends up coating the inside of the crankcase...turning it green....
Logo 600SXs, 800XX, TDR IIs
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07-05-2017 02:19 AM  33 months ago
JuanRodriguez

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The Villages, Florida

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💎Sustaining Member
You'll never get a straight answer that makes sense ..... at least not as of yet .... Been there, done that and old enough to know better.....
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07-05-2017 05:06 AM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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what plug should I use hot or cold I ordered 2 cold plugs.

and I'm looking for a used Castle bec these hv servos are just eating my 2s lipo up
Insha Allah made in america
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07-05-2017 05:09 AM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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♦EEngineer
What's "cool power HI"?
HI PERFORMANCE BLEND
Insha Allah made in america
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07-05-2017 05:36 AM  33 months ago
EEngineer

rrProfessor

TX

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What brand of plug?Logo 600SXs, 800XX, TDR IIs
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07-05-2017 05:53 AM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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Novarossi Turbo Glow Plug #7 Cold
http://www.ebay.com/itm/Novarossi-T...872.m2749.l2648
Insha Allah made in america
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07-05-2017 06:41 AM  33 months ago
EEngineer

rrProfessor

TX

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Wrong type of plug...Logo 600SXs, 800XX, TDR IIs
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07-05-2017 07:02 AM  33 months ago
EEngineer

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TX

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Why are you putting an RC car glow plug in your heli engine?

Just curious...
Logo 600SXs, 800XX, TDR IIs
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07-05-2017 11:37 AM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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omg lol ty
i need a cold plug but cannot find can you help me with a url ?
Insha Allah made in america
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07-05-2017 12:20 PM  33 months ago
allns47

rrKey Veteran

Richmond IN.

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McCoy #9
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07-05-2017 02:23 PM  33 months ago
wc_wickedclown (RIP)

rrProfessor

long beach calif

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tyInsha Allah made in america
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07-05-2017 03:39 PM  33 months ago
EEngineer

rrProfessor

TX

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You might try a novarossi plug first.

Check the engine's manual.
Logo 600SXs, 800XX, TDR IIs
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07-05-2017 03:39 PM  33 months ago
EEngineer

rrProfessor

TX

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The manual also has the head shimming info, too.Logo 600SXs, 800XX, TDR IIs
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07-06-2017 04:57 PM  33 months ago
wifeorheli

rrElite Veteran

reno, nevada usa

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I found the Rossi hot plug and the o.s. 8 give good performance. BUT obviously my altitude and tempture play a role compared to anyone else's tune. Best to get a hot medium and cold plug try them out. Factory reccomends a cold plug for 30% but found that untrue for my setup... but the Rossi plugs are short body. As EE said head shims play a major role with this motor. I went back to factory shims and now my tuning is a pain. One click either way changes temp 20+ degrees as with a extra shim I was getting 3 clicks for same result... this motor is truly a power house! Just got my new HV Servos Installed and a step down for throttle in mail to me! Found out my governer needs to be stepped down and the makers of my pushglow are uncertain if it can take the straight 2s told me to try it and cross my fingers HAHANovarossi Motors U.S.A
www.PLanethobby.com
Team GrandRc.com
Team Byron Fuels
ZRC U.S.A. "PushGlo, SwitchGlo"
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07-06-2017 05:00 PM  33 months ago
EEngineer

rrProfessor

TX

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Try 20% nitro....

Also, have you "ported" your header to match the engine's exhaust port?
Logo 600SXs, 800XX, TDR IIs
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07-07-2017 12:42 PM  33 months ago
wifeorheli

rrElite Veteran

reno, nevada usa

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I'm running the matching Rossi Rex-H5s Tuned pipe. Ive tried a few other pipes and this pipe takes advantage of the full percormance across the whole throttle range... Interested to hear my EE about your above comment. Meaning what do you mean? LolNovarossi Motors U.S.A
www.PLanethobby.com
Team GrandRc.com
Team Byron Fuels
ZRC U.S.A. "PushGlo, SwitchGlo"
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07-07-2017 03:47 PM  33 months ago
EEngineer

rrProfessor

TX

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I was hoping to have got your attention on porting your header...

The main thing that makes a tuned pipe work, and only on a 2-cycle engine, is the length of the baffle in the pipe from the engine's exhaust port that "reflects" the acoustic "shock" wave that occurs when the engine's piston "opens" after combustion.

This wave travels out the engine's exhaust port....down the pipe...until it hits the baffle(this baffle has a hole in it, btw).

Most of this is "exhausted" thru the baffle and out the pipe, but a small portion is reflected back towards the exhaust port.

Depending upon the engine's RPM, the length of this baffle can be "tuned" so that this reflection arrives at the engine's exhaust port just before the piston closes for another combustion cycle.

The result is that the engine's combustion chamber is "supercharged" by the added pressure of this reflected shock wave......and the engine's performance is increased slightly.

This technique is even used on "dirt bike" 2-cycle engines.
Logo 600SXs, 800XX, TDR IIs
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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › I'M BACK! AFTER a 2 year break and I still LOVE HELIS!
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