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HomeAircraftHelicopterGasser Model RC HelicoptersEngines › PUH motor to RC
11-11-2014 10:09 AM  3 years agoPost 1
ozghost1952

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Melbourne Australia

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I have three Zenoah motors that I no longer have a use for
1 x G231 PUH and 2 x G26 PUH (1 x Hanson NIB)
Can these be converted to RC format?
Is there still a demand for the PUH format?

Jeff

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12-14-2014 09:09 AM  3 years agoPost 2
neale

rrApprentice

BRISBANE ,Australia

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I think there is still a bit of a call for puh. zin gsvct just doing a helibug with a hanson puh. Not a economical conversion to RC format.
Neal

Have money pit,but small shovel !!

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12-14-2014 12:56 PM  3 years agoPost 3
fastflyer20

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N. Tonawanda, NY

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While PUH share the same bore and stroke as the RC format, the only major parts that are the same is the piston and ring. They are good engines, but with less options for air frames compared to RC.

Tom
CAUTION - my posts are based on my experiences, yours may be different.

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12-14-2014 01:11 PM  3 years agoPost 4
Carey Shurley

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Orlando, FL - USA

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the Century Radikal uses the PUH and the TSA Infusion G will use it

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12-14-2014 04:12 PM  3 years agoPost 5
rbort

rrProfessor

Franklin, MA - USA

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As Carey says
Save it for the TSA gasser, that's where my 1005 Hanson 300 might end up. The other option is to put in in an airplane, I got my other Hanson G26 3D max from my Spectra-g in the FPV taylorcraft, they are good for that as I could install a generator off the back flywheel easily. That plane can fly non-stop for an hour, was 90 minutes I had a larger tank before in it, all you need is a prop hub for it with the stud. Swings a 17x8 APC at 8500 rpms.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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12-21-2014 01:54 AM  3 years agoPost 6
geomecc

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Long Island ,NY

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anyone know when the tsa g700 will be out

R I P Roman Jr. Team SKOOKUM SRW EFC

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12-21-2014 01:55 AM  3 years agoPost 7
Carey Shurley

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Orlando, FL - USA

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there should be some publicity about it in the next couple of months

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12-21-2014 02:01 AM  3 years agoPost 8
rbort

rrProfessor

Franklin, MA - USA

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I heard
By the toy fair show, Carey, heard you have a prototype you're flying already, is this true?

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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12-21-2014 03:55 AM  3 years agoPost 9
turboomni

rrProfessor

East of the Equator

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This all I have seen on TSA Gasser and it doesn't look good.

https://rc.runryder.com/t715998p1/

Setup is everything, All my heli's can fly far better than I can pilot them

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12-22-2014 04:21 AM  3 years agoPost 10
Nigel Brown

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Perth, Australia

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Hi rbort,

I can confirm this on Carey's behalf, yes its true we have several models out for 3rd party testing at the moment. Doing our best to ensure we have ticked all boxes to provide the best puh gasser on the market.

Merry Christmas

Nigel

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12-22-2014 04:31 AM  3 years agoPost 11
turboomni

rrProfessor

East of the Equator

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You should have sent one to Raja too,,he has more experience than ANYONE in the USA with gassers. You missed a very big opportunity in my opinion.

Setup is everything, All my heli's can fly far better than I can pilot them

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12-22-2014 04:53 AM  3 years agoPost 12
Nigel Brown

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Perth, Australia

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Thanks Turboomni

Testing is best done with several kits to start with. Lets get some external feedback then things can always expand.

Cheers

Nigel

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12-23-2014 02:02 PM  3 years agoPost 13
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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Carey, heard you have a prototype you're flying already, is this true?
not done yet so it hasn't flown, got a special engine being cooked up for it.

when it is I'll have full build threads, reviews, videos, etc as I've done with many models.

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12-23-2014 06:39 PM  3 years agoPost 14
banshee rider

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Phoenix AZ.

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Waiting impatiently for all reports and info
Looking to purchase a gasser in the spring with some new fangled
thing called fly bar less

ageing is manditory maturity is optional

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12-24-2014 04:18 AM  3 years agoPost 15
turboomni

rrProfessor

East of the Equator

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when it is I'll have full build threads, reviews, videos, etc as I've done with many models.
I'm sure you will Carey and that is fine. The real proof though is the day to day flying and reliability after the review is long forgotten.

Nigel, we are all excited about your new offering here in the gasser community. I hear your company is excellent and I wish you and your gasser the very best!

Setup is everything, All my heli's can fly far better than I can pilot them

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12-24-2014 04:30 AM  3 years agoPost 16
Carey Shurley

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Orlando, FL - USA

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The real proof though is the day to day flying
actually for this model the proof will be demonstrating high performance since thats what most people demand of any model these days.

I think people used to be impressed that they could build a model and it would fly a thousand times without touching anything on it and the Miniature Aircraft models really xcelled at that (pun intended). However in todays market to get peoples attention they want to see high performance.

The reality is that most models are crashed and rebuilt pretty often so I'm not sure long term reliability as we used to think about it is as important any more. The key is that something on the model doesn't cause them to crash.

the model is geared in the 7+ range which is similar to other high performance models and should allow for good recovery from head loading.

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12-24-2014 04:36 AM  3 years agoPost 17
rbort

rrProfessor

Franklin, MA - USA

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Hopefully Carey
We're building a reliable model not putting that aside to max performance where the thing is constantly wearing out and you're chasing maintenance all the time. I heard you want the engine to run 14k...

There is some credit to be said for reliability also, in the MA line of models you're right you could fly stuff for thousands of flights and yes over time things wear out, but it was a big difference from other overseas brands I tried in the past. That could get more frustrating than the short performance enjoyment you get on the field.

Don't get me wrong performance is good but also give us some options for slower and better as well.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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12-24-2014 04:51 AM  3 years agoPost 18
turboomni

rrProfessor

East of the Equator

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actually for this model the proof will be demonstrating high performance since thats what most people demand of any model these days.
As it has been for years ,,remember the Century videos Carey??\
I will find and post them if you want . Very Impressive and very old.
I think people used to be impressed that they could build a model and it would fly a thousand times without touching anything on it and the Miniature Aircraft models really xcelled at that (pun intended). However in todays market to get peoples attention they want to see high performance.
Not touch anything? Good grief ,,who would do that and expect reliability?? ,,,The performance will be dictated by power to weight ratio,,does this thing have nox? High performance in a gasser with it's low power to weight ratio is still in the stone age.
The reality is that most models are crashed and rebuilt pretty often so I'm not sure long term reliability as we used to think about it is as important any more. The key is that something on the model doesn't cause them to crash.
No not at all. I would think many companies are banking on that but not so in my opinion in the experienced gasser world. I have not crashed my Min Air 1005 in 6 years.
the model is geared in the 7+ range which is similar to other high performance models and should allow for good recovery from head loading.
Interesting ,,Nothing new here,my Spectra from Min Air is in that range...and it does recover very nicely. And my Spectra is OLD...

Setup is everything, All my heli's can fly far better than I can pilot them

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12-24-2014 05:17 AM  3 years agoPost 19
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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gear ratios are a delicate balance

I've geared models as low as 5:1 which let the head turn 2K with the engine lumbering along at 10K. However none of these little engines has the torque to hold that or the power to recover against that much leverage once you start loading the head especially not in the 700 class

7+ish has worked pretty well on most all of the high performance 700 class models where head speed is around 2K. That does imply a higher engine speed. Of course if you want to run the head slower, thats what the throttle is for. As the blade sizes come down, that ratio can increase some but not a lot before the leverage problem returns.
The real proof though is the day to day flying and reliability after the review is long forgotten.
oh I dunno, not everybody lives where there are other models flying or goes to fun flys or huge events like the IRCHA Jamboree or OHB. You can learn a great deal about how a model is designed and manufactured by looking closely at the details of how the finished model looks, how the parts look when its being built, watching them fly in videos and from what is said in the support forums. A lot of people make buying decisions based on the information they have available to them as they may not be able to physically see a model where they live.

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12-24-2014 10:09 AM  3 years agoPost 20
neale

rrApprentice

BRISBANE ,Australia

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Pretty stunning sort of a statement, that reliability is not really important!! I will only look at somthing that has reliability. I DO NOT wish to rebuild all the time, maintenance is one thing rebuilds are another. I enjoy working on my helis,but not to keep saying oh dear somthing else broke, well so much for going flying todaay Stunning
Neal

Have money pit,but small shovel !!

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