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Gohbee Aviation Stinger 30-90 > Installed and Flew With Gohbee Head Assembly
 
 
gottafly30s
Heliman
Location: Springfield,MO-USA

I posted this a while back about getting a complete Gohbee Head Assembly for real cheap and I finally got to fly my Raptor 30 with this head on it. All I can say is it does fly alot smoother even though one does have to reverse the pitch servo on their radio. It still does inverts real well, tic tocs are great, 3d flying is much smoother too. I know there are alot of guys out there that are hardcore Raptor Only and figure why change a good thing but all I can say is that this was an experiment and I will leave this head on my Raptor because it also holds the blades further up and away from the boom meaning less chance of a boom strike.
06-09-2006 Over year old.
 
 
G-Force Heli
Senior Heliman
Location: Ontario, Canada

pics please....
06-09-2006 Over year old.
 
 
stewartad1
Heliman
Location: clarksville, tn

yes, pics would be nice. since it works on your 30, it should work on a 50 as well, right?
06-09-2006 Over year old.
 
 
onebigjunker
Veteran
Location: Wellsville, Ks

Yes, the Gohbee head will also fit the 50 raptor! the head upgrade is 69.00 on there web sight i do recall! comes with metal blade grips, and metal head block!

work hard, play even harder!!!!
06-09-2006 Over year old.
 
 
gottafly30s
Heliman
Location: Springfield,MO-USA

Pics Will Be Here Soon!!

I am taking pictures of it now and will have it here real soon. The blade holders I have are plastic and the rest of the head is aluminum.
06-09-2006 Over year old.
 
 
DS 8717
rrProfessor
Location: Here wishing i was somewhere else

The head design is one of the weak points on the raptor,a new head design is long overdue. The rest of the heli is not too bad,now that they have a better gear ratio and longer boom for the 50. All they need to do is redsign the head and lighten up the 90 Se and it would be decent also. Most of the faults with the flying on the raptors is the head.
06-09-2006 Over year old.
 
 
gottafly30s
Heliman
Location: Springfield,MO-USA

Here Are The Pics

Here are the pics as I said I would post. The mainshaft is also all Gohbee and it is a solid mainshaft. By the way guys, the jesus bolt on the head has a shoulder on it from Gohbee and is not threaded all the way like a Raptor, hmmmmmm, seems Gohbee did some homework on that one and also it is alot larger in diameter. The swashplate is one that I bought and used on the Raptor Assembly but took it off and am now using it on the Gohbee Assembly. It is a Maverrick swashplate.

06-09-2006 Over year old.
 
 
G-Force Heli
Senior Heliman
Location: Ontario, Canada

I am definitely getting this head and try it on my other R50. Can give us close up pics of the head itself. Looks you are using the stock R50 blade grips.

What are the Gohbee part numbers to do the conversion?

Thanks gottafly30s for sharing your idea!
06-09-2006 Over year old.
 
 
gottafly30s
Heliman
Location: Springfield,MO-USA

Do Not Have...

Sorry guys but as stated before, I bought this complete Head Assembly with Mainshaft from Ebay and I do not know the part numbers on hand. You can go to Gohbee.com and look up the Stinger Head for Raptor v1 or v2 conversion.
06-09-2006 Over year old.
 
 
G-Force Heli
Senior Heliman
Location: Ontario, Canada

What did you get in the head assembly? Does it fit the stock TT main shaft?
06-09-2006 Over year old.
 
 
gottafly30s
Heliman
Location: Springfield,MO-USA

The head assembly cam complete with mainshaft everything from the swashplate to the button on top of the head and yes it will fit the raptor mainshaft but the hole for the jesus bolt that holds the head on is larger than the hole on the raptor mainshaft. You could get by with using the raptor mainshaft but I would advise against it because you would be using a narrow diameter jesus bolt and that would create slop and a possibility of shearing the raptor jesus bolt.
06-10-2006 Over year old.
 
 
gottafly30s
Heliman
Location: Springfield,MO-USA

Funny how a person can go on Gohbee's website and see the same parts that are used on a Raptor, same blade holders, tail assemblies, frames are sturdier but copies of Raptors. I am not bashing Raptors because I own one and think they are great flying machines. The mushy feeling can be taken out of the head on a Gohbee by going with harder dampers which they also sell. The stock dampers are too soft like the stock Raptors are. I see that you fly for Team Thunder Tiger and you might be a little biased towards the Raptor Products but all I am saying is the Gohbee Head to me is smoother than the Raptor Head. I am not trying to sell anyone on Gohbee Products, only IMHO the Gohbee Head feels much smoother to me and I have had no issues with it so far and when I do, I will post those issues here for everyone to know. This is an experiment to me and I am only telling folks here my opinion on the matter, but all the same, thank you for your opinion too.
06-10-2006 Over year old.
 
 
rob10000
Key Veteran
Location: Western Massachusettes

Generally speaking, a rotor head with an underslung flybar will not be as aerobatic as one with an overslung flybar.
I'm sure the Gohbee head is nice and stable, just like a high-wing plank.
06-10-2006 Over year old.
HOMEPAGE  
 
 
vksy
Heliman
Location: 33.88N x 117.57W

Quote 
Generally speaking, a rotor head with an underslung flybar will not be as aerobatic as one with an overslung flybar.


No offense, but your assumption is baseless and very misleading. Where do you think that Raptor flybar is when performing inverted acrobatics?
06-10-2006 Over year old.
 
 
unklpunk
Senior Heliman
Location: alberta canada

i have 3 gohbee heads w/brass oring dampers, wide production tolerences, they are ok,.. never flew them long enough to get sloppy, just dont crash them,.. i have my mavrick metal head back on,..
06-10-2006 Over year old.
 
 
rob10000
Key Veteran
Location: Western Massachusettes

Quote 
Quote
--------------------------------------------------------------------------------

Generally speaking, a rotor head with an underslung flybar will not be as aerobatic as one with an overslung flybar.
--------------------------------------------------------------------------------




No offense, but your assumption is baseless and very misleading. Where do you think that Raptor flybar is when performing inverted acrobatics?


With an overslung flybar, the mass of the blades, grips, etc is closer to the CG of the helicopter. That holds true regardless if the machine is upright or inverted.
06-10-2006 Over year old.
HOMEPAGE  
 
 
G-Force Heli
Senior Heliman
Location: Ontario, Canada

Has anyone fitted an EVO50 head onto the R50?
06-10-2006 Over year old.
 
 
vksy
Heliman
Location: 33.88N x 117.57W

Quote 
With an overslung flybar, the mass of the blades, grips, etc is closer to the CG of the helicopter. That holds true regardless if the machine is upright or inverted.


The inverted comment was meant as a joke. I forgot to insert a smiley.

Paddle form, weight, surface area, and flybar length contribute much more to how a heli flies than whether the flybar is positioned up or down. The flybar/paddle setup is basically power steering for helis, and pilots can (but don't often) fine tune it to suit their tastes. Proper CG is important, but it's just one of several factors to consider.

Personally, my Raptor 90's have 480mm flybars (compared to the 540mm stock??), 95mm V-Paddles, and MinAir weights at midpoint. It provides a very good compromise between agility and stability for my style of flying.

The only advantage I see with underslung flybars for any Raptor size is that you don't have to mess with removing the blade grips each time to replace worn oval links. I have owned Raptors for over 6 years, and it becomes a pain after a while.
06-10-2006 Over year old.
 
 
Nick Jones
Key Veteran
Location: ....

Mike Fortin no offense but you are sponsored by TT. You arent gonna say there crap.
06-10-2006 Over year old.
 
 
G-Force Heli
Senior Heliman
Location: Ontario, Canada

TT has decided to go with their head design and it does work.

Alan has pushed the TT Raptors to their limits showing all of us that Raptors can perform. I am sure TT are working with top pilots like Alan and all other sponsored pilots to increase the performance further. With the V2 and SE models , and now the Titan, TT is obviously listing to their customers.

TT may not be winning major events now, but who knows a few years from now at the rate they are moving.

I run the Red dampners for all flying conditions and never have a boom strike. Also replacing them once I find that the head starts to be mushy.
06-10-2006 Over year old.
 
 
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Gohbee Aviation Stinger 30-90 > Installed and Flew With Gohbee Head Assembly
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