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04-26-2009 10:12 PM  10 years ago
leopard

rrNovice

leicestershire uk

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My mate has got the same chopper as my Huey 1.8 Futura but he has a Laser 150 fourstroke in his, according to him the main things to make it all work are as follows.

1, Clutch weight

2, Reverse the fan

3, Adaptor backplate for flywheel outer ring

4, exhaust stub x flexi stainless

5, crankcase mount finning for more cooling

He flys it out in Portugal and has no cooling problems and it sounds fantastic.

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04-26-2009 11:05 PM  10 years ago
Four Stroker

rrElite Veteran

Atlanta

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What fuel is he running ?

Or more important, what gear ratio and head speed ?
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04-27-2009 10:50 PM  10 years ago
ChopperCrazy

rrNovice

Sykesville, Pa. USA

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Would it be possible for you to get a video of the helicopter in flight? I would really like to see and hear the 4 stroke helicopter in action, thanks.
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04-28-2009 12:12 AM  10 years ago
Markus

rrApprentice - Montreal - MyPosts All  Forum  Topic

Futura Boxer Gemini 160...

Gear ratio 5.68:1
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04-28-2009 05:16 AM  10 years ago
airboss

rrElite Veteran

OC ,california

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4 strokes are for planks and scale, if you want big HP and less weight then there is nothing more qualified than the 2stroke glo.Urukay HPS3 KSE 700 HPS3
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04-28-2009 12:48 PM  10 years ago
Markus

rrApprentice

Montreal

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Airboss,

I think you are missing the point, its not always about weight and power.
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04-28-2009 02:46 PM  10 years ago
BeltFedBrowning

rrKey Veteran

Kansas City

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That's the difference between a flier and a modeler. Some people actually like to build and tinker.
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04-28-2009 02:47 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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I know he didnt Say Power
AirBoss i guess you missed the YS 90 4 strokes in minuature aircraft Xcell. I would never say that they had less Power.

Are you kidding me, I know now you are jokking, but Funny
AMA 334000
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04-28-2009 02:56 PM  10 years ago
airboss

rrElite Veteran

OC ,california

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those 4 strokes are powerful but you gain a few ounces and more moving parts. I would prefer to use a good old fashioned 2 smoke glo any day. even my new plank got outfitted with a 1.40 OS 2 stroke just so I could keep the weight down and performance up. after all these are aircraft and lighter is better Urukay HPS3 KSE 700 HPS3
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04-28-2009 03:03 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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I taught SO
See i told you, he had to be tiered when he wrote that

I try showing him how to make a heli light this week

I think i ll show him how 4 Stroke Offroad bike have more Power and ligther and faster
AMA 334000
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04-28-2009 03:57 PM  10 years ago
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Some people actually like to build and tinker.
And to experiment or invent...
Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives
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04-28-2009 04:28 PM  10 years ago
4 stroke flyer

rrApprentice

Dowagiac,MI

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I am glad someone is still working with the fourstroke. I did a ys 110 in a Bergen last year with good success. I decided to go with a gas for a while. But the power was good with plenty of pull. I only ran about three gallons threw it but the motor was just getting better. good luck with this new heli. I would love to see it fly.
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04-28-2009 04:33 PM  10 years ago
airboss

rrElite Veteran

OC ,california

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Auto180
the EPA and AQMD killed the 2 stroke not because it has less power. but do you think a 2 stroke 450 has more or less power than a 4 stroke 450 ? and do you think it weighs more or less than the 4 ? remember all those parts need maintenance and weigh more. the power benefit of a 4 stroke is the torque .the most powerful diesel engines are 2 strokes also.
Urukay HPS3 KSE 700 HPS3
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04-28-2009 04:50 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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NO
Did they Kill USGPRU ? or AMA

Class starts early for 4 stroke training. Be there Sharp
AMA 334000
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04-28-2009 11:01 PM  10 years ago
airboss

rrElite Veteran

OC ,california

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always there on time.Urukay HPS3 KSE 700 HPS3
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04-28-2009 11:02 PM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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AHA
Yap that what the hot girls group said
AMA 334000
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04-29-2009 02:18 AM  10 years ago
airboss

rrElite Veteran

OC ,california

MyPosts All Forum Topic
but seriously, does anyone have a 4 stroker that weighs as little as a 2 and has equal or more power ? if so lets hear about it , its nice to see new stuff and we are the R&D for these hobbies. and when will we see a 800mm heli doing 3D ?Urukay HPS3 KSE 700 HPS3
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04-29-2009 04:10 AM  10 years ago
holzback

rrKey Veteran

noblesville IN United States

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with the right gearing it worth a shot
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04-29-2009 04:16 AM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

MyPosts All Forum Topic
You do airboss
You got that slow thingy... Sounds like a Four Stroke
AMA 334000
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04-29-2009 12:31 PM  10 years ago
rotaryfalcon

rrApprentice

S.E. USA

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I tried an OS 52 in a Rappy .30. Basically a bolt in. You have to shorten the crank a few mm. Used the 50 gearing. Was a good sedate flyer. NOT 3D. Good traing, scale, or just fun flying. Would fly 45min+ on tank of fuel.
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