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HomeAircraftHelicopterCentury Radikal G20-30 N640 Hawk Predator › Hawk Pro 30 converting to 50
03-06-2008 03:58 AM  10 years agoPost 1
Eleven_Bravo

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Salisbury,NC

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To put a 50 size engine in a Hawk pro 30 I need:

Constant tail drive with 14T on top of the counter drive shaft and the gray 53T speed up gear so I will end up with the 8.7 ratio is this correct ??????

Of course the engine mount and engine and pipe.

Please keep in mind I am not changing boom and blades I just want to put the engine in the 30 size frame.

I already have the parts lying around I am mainly wanting to make sure this will work as intended so I will not be overspeeding my hyper 50 as much as I would with the 9.1 ratio which is what I think is stock.

Would a 1950 HS be too much for the stock Hawk Pro head if so what would you reccomend. What upgrades will get me to the HS I want???

I have did a search and just want to double check my homework before I start tearing down a nice flying heli to find out I dont have the right stuff and just have to put it back together again.

Thank you for your time your knowledge is appreciated.

ENGAGE!!

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03-06-2008 06:29 AM  10 years agoPost 2
bellecrank

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Canada

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With that head speed I think you should upgrade to the 6mm featering spindle with the thrust bearings that are in the Raven 50 also.

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03-06-2008 06:40 AM  10 years agoPost 3
Eleven_Bravo

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Salisbury,NC

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Thank you for your response bellecrank. I will upgrade both thank you for the suggestion.

ENGAGE!!

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03-06-2008 03:03 PM  10 years agoPost 4
Jag72

rrProfessor

South of Boston

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6mm spindle conversion..
I did a post here on RR a while back...I put together a conversion for the hawk that costs like 13$ or something like that to convert...instead of the $40+ for the Century conversion..

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03-06-2008 03:06 PM  10 years agoPost 5
Jag72

rrProfessor

South of Boston

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Link...
Here's the thread ...a bit old but still good..

http://www.runryder.com/t379356p1/?...mm+spindle+hawk

The spindles are $3.50

Just got to know where to look sometimes...
Anthony

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03-06-2008 07:01 PM  10 years agoPost 6
Eleven_Bravo

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Salisbury,NC

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Thank you for the information Jag72 I will defiantely put that information to use.

ENGAGE!!

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03-06-2008 07:14 PM  10 years agoPost 7
Jag72

rrProfessor

South of Boston

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no prob
if you have any questions about that conversion just let me know...I'd be glad to help..

Anthony

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03-06-2008 07:20 PM  10 years agoPost 8
Eleven_Bravo

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Salisbury,NC

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PM sent

ENGAGE!!

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