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Woodcomp propeller controls
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grahamsingleton(at)btinte
Guest

Posted: Thu Jun 07, 2007 3:01 pm Post subject: Woodcomp propeller controls

If anyone needs a balance within reasonable distance of Derbyshire give 

me a shout, I have Mark's balancer.

Graham



Mark Burton wrote:



 	  Quote: 	
		   If you want a smooth prop - balance it!

 

 Mark

 

  -- 

Graham Singleton
	




Tel: +441629820187

Mob: +447739582005

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grahamsingleton(at)btinte
Guest

Posted: Thu Jun 07, 2007 3:04 pm Post subject: Woodcomp propeller controls

Hi Tony

Is that your own Europa, and when will you fly it, or do you still have 

the Airmaster one?

Graham

btw we hope to move in in a couple of weeks, although it might be a bit 

like camping indoors!



Tony Krzyzewski wrote:



 	  Quote: 	
		   BTW.. A certain Europa that lives in my hangar looks really great with

 its white Sensenich blades ... and for more information you're going to

 have to go to Oshkosh!

 

 Tony 

 

 

 

 

 

 


	


-- 

Graham Singleton



Tel: +441629820187

Mob: +447739582005

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tonyk(at)kaon.co.nz
Guest

Posted: Thu Jun 07, 2007 3:39 pm Post subject: Woodcomp propeller controls

It's the Airmaster one. She's looking a bit tired inside but has a big

smile on her face with her fancy new propeller.



I have just ripped the guts out of my instrument panel on mine to follow

in Paul's footsteps and have installed a Dynon Flightdek 180. The drop

in weight from the removal of all the other instruments and associated

wiring was quite dramatic! My problem is lack of time due to workload

and the house build.



The house pad has been cut and retaining walls established and we are

now just waiting on the building consent before construction starts. In

the meantime I've been putting in the drainpipes to feed the two water

tanks while Jackie is putting plants in where she can.



You'll be pleased to be moving in at last and you'll be able to spend

all summer clearing up the remains of the building site!!



Tony



--

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nwcmc(at)tiscali.co.uk
Guest

Posted: Thu Jun 07, 2007 10:19 pm Post subject: Woodcomp propeller controls

Hi Mark



 	  Quote: 	
		  I have flown in aircraft fitted with the Airmaster prop and it works OK

but I still think the Warp Drive blades are terribly harsh and the
	


Airmaster controller is poor value for money and lacking in capability.<



I agree the warp drive blades are not ideal. In terms of the controller

what lack of capability are you talking about? I find the controller

perfect both in installation and use. I was put off by the Woodcomp

initially because of the gear drive in the hub. This has probably been

updated now. Its control boxes were too big to retrofit to my panel

whereas the Airmaster was small and neat and provides all the control I

want. I particularly like being able to select between T/O, Climb and

Cruise settings without taking my attention from the world outside.

Having started off with the NSI VP prop I was aware that VP without CS

causes a significant increase in workload.



I agree that the Airmaster is expensive but I believe they got most of

their development done before selling to the public. This was not the

case with the Woodcomp. Hopefully it is now at a stage where development

is just refining the product. Assuming this is the case then it is very

good value for money. When I bought my Airmaster I had been through a

lot of hassle with NSI and wanted a prop that did everything I wanted.

The Airmaster was the only one at the time that could provide that. As

in the choice of engines what is important is getting the right product.

Initial purchase price is only one part of the equation.



Nigel Charles

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Mark Burton

Joined: 10 Jan 2006
Posts: 74

Posted: Fri Jun 08, 2007 12:40 am Post subject: Re: Woodcomp propeller controls

Hello Nigel,



If you compare the price of an airmaster (prop+controller) to the total price of one of my controllers + either an Arplast PV50 or the Woodcomp SR3000, the Airmaster is somewhat more expensive (in the UK). I have just checked the price on the Europa website and the airmaster is 3754 (inc VAT). The SR3000 + a CSC-1 is 3145 (inc VAT) so the difference is about 600 quid - not much or a significant saving depending on your state of wealth.



The CSC-1/G can be used with almost any prop that is controlled by electricity - that also includes the hydraulic props that use a master cylinder driven by an electric motor - GT make a prop like that and so does some other company. They are used on aircraft like the Tecnam and the Pioneer.



Incidentally, I am sure that the CSC-1/G would drive the airmaster hub quite happily but I don't think anyone has actually done that.



As for functionality, In one small(ish) enclosure, the CSC-1 provides:



* constant speed control



* RPM display



* manifold pressure display



* engine hours display



* prop pitch display (PV50 only)



* feather control (SR3000 only)



The ergonomics of the unit are such that you can switch modes and adjust the RPM without looking at the display - also external switches can be fitted for these functions so you can fit a switch next to the throttle or on top of your stick.



One nice extra that the CSC-1 gives you is that it detects when you shut the throttle (in cruise mode) and it inhibits the pitch from being reduced so that when you open the throttle again, the pitch hardly changes. So when you descend into the circuit it doesn't wind the prop back to fully fine during the descent. Not a major feature but a nice touch, nonetheless.



The Airmaster provides:



* constant speed controller



* feather control



I don't know if external switches can be fitted.



Anyway, for aeroplanes with little motors operating from short airstrips, a CS prop is a real boon whatever the brand. If you have a large motor and miles of runway, then one of the fancy fixed pitch props will provide better value.



As you say, at the time you fitted the airmaster it was probably the only sensible choice. Now, there is more choice.



Regards,



Mark

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nwcmc(at)tiscali.co.uk
Guest

Posted: Thu Jun 14, 2007 7:24 am Post subject: Woodcomp propeller controls

Hi Mark



Thanks for the info.



 	  Quote: 	
		  Incidentally, I am sure that the CSC-1/G would drive the airmaster hub

quite happily but I don't think anyone has actually done that.<
	




The only reason for me to do that is if I was to benefit from extra

features. I already have constant speed control and the RPM display,

manifold pressure display and engine hours display are provided care of

my engine monitor. Prop pitch is fairly academic as I don't have the

PV50 and the Airmaster provides feathering as standard.



 	  Quote: 	
		  The ergonomics of the unit are such that you can switch modes and

adjust the RPM without looking at the display <
	




Same as the Airmaster.



 	  Quote: 	
		  One nice extra that the CSC-1 gives you is that it detects when you

shut the throttle (in cruise mode) and it inhibits the pitch from being
	


reduced so that when you open the throttle again, the pitch hardly

changes. So when you descend into the circuit it doesn't wind the prop

back to fully fine during the descent. Not a major feature but a nice

touch, nonetheless.<



This is an interesting idea but as I usually do cruise descents with

increased speed and partial power there is not much pitch change anyway.

On longer trips I am often cruising at around FL60 and in smooth

conditions I usually set about 15" manifold and increase the speed to

Vno for the descent. This gives about 500fpm ROD providing a high speed

descent for about the last 20 miles of the flight. If I wanted to

positively hold the pitch angle with the Airmaster it is possible to

select manual but this hardly seems worthwhile.



I am very please you have come up with another very good product. The CS

function reduces a lot of unnecessary workload with a VP prop. This has

got to be good for flight safety for those with VP props who would

otherwise have no access to the CS function. 



Regards



Nigel Charles

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