Scale Fuselage for Hirobo Shuttle .30 size - recommendations

[trillian]

The tricky bit is that the Shuttle uses an 8mm shaft. So most likely you'll only find multi-blade heads for a 10mm shaft and you'll need to round up a sleeve to adapt it, which shouldn't be difficult.

A Trex 500 head will fit but then I think you'd have a problem with the grips not being big enough for the blade root thickness.

[nitromad]

The tricky bit is that the Shuttle uses an 8mm shaft. So most likely you'll only find multi-blade heads for a 10mm shaft and you'll need to round up a sleeve to adapt it, which shouldn't be difficult.

A Trex 500 head will fit but then I think you'd have a problem with the grips not being big enough for the blade root thickness.

see i went the other way round rather than using a sleeve i simply replaced the top bearing and used a century main shaft then like u said had pick of any 10mm multi head

[trillian]

see i went the other way round rather than using a sleeve i simply replaced the top bearing and used a century main shaft then like u said had pick of any 10mm multi head

That's interesting. I wouldn't have considered that as I would assume then you'd have a problem with the original main gear not fitting etc. but ultimately going 10mm is the best option. Getting a swash that fits for 3 blades would also be difficult in 8mm because all the Trex 500 multi-blade swashes will be setup for 120 degree CCPM on the outer swash.

[nitromad]

luckily century does a main shaft same length but 10mm dia with main gear Jesus bolt hole in same place. worked out so much simpler than putting a sleeve on the head as well as the swash. less messing about this way less to go wrong

nitro

[Pabs]

So the century shaft is a straight fit? Are you saying I need a main gear as well?

[nitromad]

So the century shaft is a straight fit? Are you saying I need a main gear as well?

only thing other than the main shaft is the top bearing

[electricsceadu]

to convert a shuttle to a 10mm shaft you would need to replace
the auto hub sleeve
the mainshaft bearings
the swash plate
the mainshaft locking collar
the follower and head would be needed anyway even with an 8mm shaft

is the century shaft you used stepped to 8mm at the bottom so that the oe shuttle auto hub sleeve is used?

personaly i'd use a sleeve in the head many of the after market multi blade head manufactures offer the sleeves so the heads will fit

and there is the option of the hirobo 3 blade head if it is still made
if made and not in stock it can be ordered by any model shops that deal with ripmax
or through world of heli in germany
the down side will be the price

[nitromad]

yes like i said i only replaced top bearing and the shaft to fit my 10mm 3 blade head

[Pabs]

Interesting, thanks all.

As it happens, I DO have a Hirobo 3-bladed head on 8mm shaft (Well I don't, but my dad does and it's currently not in use) and I may be able to use that on this model. I think the 3-bladed head is from one of their chinooks but not certain.

But if I do go down that route then will need to look at FBL controllers of which I haven't got a clue about yet - don't need anything fancy but it must be able to work on multi-bladed heads

[trillian]

Pretty much any FBL unit will work because from a control input point of view there's no difference, it just sees a movement and responds with a correction sent to the servos. You can actually fly without a FBL controller as well, in calm conditions it won't feel strange at all, but the difference is that when flying 'no bar' there is no correction whatsoever, so you only have the rotor disc's gryoscopic effect to dampen the helis tendency to drift any which way. I have flown two of my FBL helis with the controller turned off and it's not as scary as I anticipated but does require more work.

[Pabs]

That's what I thought, but there seems to be so much to learn with FBL, I assume I don't need anything too special because it'll be scale-flying only, so I could get away with a 3GX or similar? They seem to sell for £40 ish second-hand... Or perhaps a spektrum 7200bx..

[Pabs]

Having said that - it'll need to work with the 4-point swash config of the shuttle and support slower servos - currently analogue but I have got some ds811's I could throw in it if I need to.

[electricsceadu]

i've got the hirobo 3 blade head on a p&b shuttle
it has no fbl unit just the cyclic pitch reduced to give a more controled flight
i'm using a set of 3 balanced 550 std blades (made from 2 sets of paired blades)
and it flies well
i've also flown 2 blade fbl without any fbl unit it is all in the set up to get them to fly in a civilised manner

with the shuttle choose any fbl unit carefully as it will need to be able to support a mechanicaly mixed swash plate
the 3g v3.1 doesn't support it so i'd say the 3gx doesn't
a 3g on v2.1 does support a single servo'mechanicaly mixed swash

[Pabs]

ok thanks mate. That's what I thought you might say.
I think ideally a 7200bx would be a good shout?