Europa-List Digest Archive

Tue 05/31/11


Total Messages Posted: 15



Today's Message Index:
----------------------
 
     1. 12:04 AM - Propellers - Woodcomp SR3000/2W (Fred Klein)
     2. 02:16 AM - Re: Propellers - Woodcomp SR3000/2W (David Joyce)
     3. 03:14 AM - Re: Filser Radio problems (Frans Veldman)
     4. 03:16 AM - Re: Propellers - Woodcomp SR3000/2W (Frans Veldman)
     5. 05:21 AM - Re: CS Prop Controller - manifold pressure. (MalcolmH)
     6. 05:42 AM - Re: Propellers - Woodcomp SR3000/2W (MalcolmH)
     7. 06:24 AM - Re: Re: Propellers - Woodcomp SR3000/2W (Carl Pattinson)
     8. 06:37 AM - Re: Re: Propellers - Woodcomp SR3000/2W (Frans Veldman)
     9. 06:47 AM - Re: Re: Propellers - Woodcomp SR3000/2W (Frans Veldman)
    10. 08:28 AM - PFA Inspectors (David Lewendon)
    11. 12:00 PM - Re: PFA Inspectors (David Joyce)
    12. 12:32 PM - Re: PFA Inspectors (David Lewendon)
    13. 12:42 PM - Motor Glider Vy Best Climb Speed (Richard Churchill-Coleman)
    14. 04:00 PM - Re: PFA Inspectors (GRAHAM SINGLETON)
    15. 11:45 PM - Re: Re: CS Prop Controller - manifold pressure. (Fred Klein)
 
 
 


Message 1


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    Time: 12:04:35 AM PST US
    From: Fred Klein <fklein@orcasonline.com>
    Subject: Propellers - Woodcomp SR3000/2W
    Looking at the Woodcomp website, I see the SR3000/2W as only available w/ 1750mm diameter. Frans...can you help me out? Is your propeller that size or something smaller? Regards, Fred A194


    Message 2


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    Time: 02:16:22 AM PST US
    From: "David Joyce" <davidjoyce@doctors.org.uk>
    Subject: Re: Propellers - Woodcomp SR3000/2W
    Fred, I have the 3W at 1650mm, which is the largest size that is recommended for the mono. Regards, David Joyce ----- Original Message ----- From: "Fred Klein" <fklein@orcasonline.com> Sent: Tuesday, May 31, 2011 8:01 AM Subject: Europa-List: Propellers - Woodcomp SR3000/2W > > Looking at the Woodcomp website, I see the SR3000/2W as only available w/ > 1750mm diameter. > > Frans...can you help me out? Is your propeller that size or something > smaller? > > Regards, > > Fred > A194 > > >


    Message 3


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    Time: 03:14:30 AM PST US
    From: Frans Veldman <frans@privatepilots.nl>
    Subject: Re: Filser Radio problems
    On 05/31/2011 01:57 AM, Bud Yerly wrote: > I guess I really have a dumb SWR meter in comparison to yours. No, any SWR will do. > It > allows me to measure if my antenna is tuned to the freq That's one of the things it can do. If the cable is shorted or broken, the impedance will show up as zero or infinite ohms, so it will display a severely out of tune situation. > If you have a radio that you suspect a low power or poor transmit but > can receive OK, it seems that one can check with an SWR but you will > still have to get another antenna and compare if the installed antenna > is not working. You don't have to do that, if the SWR shows up OK, you can be pretty sure that the antenna is working and the cable is OK. Frans


    Message 4


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    Time: 03:16:37 AM PST US
    From: Frans Veldman <frans@privatepilots.nl>
    Subject: Re: Propellers - Woodcomp SR3000/2W
    On 05/31/2011 09:01 AM, Fred Klein wrote: > Looking at the Woodcomp website, I see the SR3000/2W as only available > w/ 1750mm diameter. > > Frans...can you help me out? Is your propeller that size or something > smaller? I have the large one indeed. I'm not sure if it is available in a smaller diameter with only two blades. Frans


    Message 5


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    Time: 05:21:27 AM PST US
    Subject: Re: CS Prop Controller - manifold pressure.
    From: "MalcolmH" <mhendra@f2s.com>
    Thankyou Frans and David for your responses, Not wishing to hi jack this thread I'll respond in the other Woodcomp 3000 thread that has just started Regards Malcolm Hendra (Kit 121) Read this topic online here: http://forums.matronics.com/viewtopic.php?p=341575#341575


    Message 6


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    Time: 05:42:32 AM PST US
    Subject: Re: Propellers - Woodcomp SR3000/2W
    From: "MalcolmH" <mhendra@f2s.com>
    Frans and David, Thank you for responding to my general query on the Woodcomp propellers in the MP thread. I'm responding in this one as it seems more appropriate here. David, I read with interest you article in last years Europa Flyer regarding the higher twist performance of the SR3000. I assumed that Woodcomp had made this especially for you and wasn't readily available. I imagine the LAA will now accept this prop on the mono. I suppose one complication may be that I have the 912S engine?. Fran, Like David I have the monowheel and although the two blade version would be attractive, would the smaller blade performance be acceptable in the two blade version. If this option were chosen I imagine the LAA would require extensive testing to be carried out as well. It could be an expensive experiment. So, I will get a quote for the SR3000/3W 1650mm complete with backplate and spinner. David has done all the hard work in getting this accepted by the LAA. All that I have read would suggest that the Smart Avionics controller is well suited for the job. Would either of you recommend their Manifold Pressure transducer or did you go for something else. Regards Malcolm Hendra (Kit 121) Read this topic online here: http://forums.matronics.com/viewtopic.php?p=341577#341577


    Message 7


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    Time: 06:24:39 AM PST US
    From: "Carl Pattinson" <carl@flyers.freeserve.co.uk>
    Subject: Re: Propellers - Woodcomp SR3000/2W
    Hi, A manifold pressure gauge is a mandatory LAA requirement - you may as well use the one supplied by Smart Avionics. Can't see the advantage of using anything else. It's pretty likely that a 2 bladed prop would be unacceptable to the LAA due to the increased diameter. The standard 3 blade prop is just on the limits of what they will accept for a mono-wheel (especially the original Classic engine installation). The newer engine mounting/ cowlings have the engine about 2" higher off the ground than the original design. Hope that helps, Carl -----Original Message----- From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-server@matronics.com] On Behalf Of MalcolmH Sent: 31 May 2011 13:40 Subject: Europa-List: Re: Propellers - Woodcomp SR3000/2W Frans and David, Thank you for responding to my general query on the Woodcomp propellers in the MP thread. I'm responding in this one as it seems more appropriate here. David, I read with interest you article in last years Europa Flyer regarding the higher twist performance of the SR3000. I assumed that Woodcomp had made this especially for you and wasn't readily available. I imagine the LAA will now accept this prop on the mono. I suppose one complication may be that I have the 912S engine?. Fran, Like David I have the monowheel and although the two blade version would be attractive, would the smaller blade performance be acceptable in the two blade version. If this option were chosen I imagine the LAA would require extensive testing to be carried out as well. It could be an expensive experiment. So, I will get a quote for the SR3000/3W 1650mm complete with backplate and spinner. David has done all the hard work in getting this accepted by the LAA. All that I have read would suggest that the Smart Avionics controller is well suited for the job. Would either of you recommend their Manifold Pressure transducer or did you go for something else. Regards Malcolm Hendra (Kit 121) Read this topic online here: http://forums.matronics.com/viewtopic.php?p=341577#341577


    Message 8


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    Time: 06:37:37 AM PST US
    From: Frans Veldman <frans@privatepilots.nl>
    Subject: Re: Propellers - Woodcomp SR3000/2W
    On 05/31/2011 02:39 PM, MalcolmH wrote: > Fran, Like David I have the monowheel and although the two blade > version would be attractive, would the smaller blade performance be > acceptable in the two blade version. I'm not sure so I suggest to ask Jiri from Woodcomp about this before you order. My feeling is that it should work. I have an intercooled 914 to drive the prop, you have a smaller engine and want to have a smaller diameter prop, which sounds reasonable to me. If possible, I would go for the two blade version. It saves weight, has less gyroscopic effects, is more economic in fuel and allows a higher speed. And allows easier removal of the lower cowling as well. It is just a bit more important to keep the carbs balanced, I feel it is a good thing that any carb problem reveals itself immediately as vibration. Others prefer a three blade as it runs smoother in all situations, even when one carb takes up the slack. I'm not sure if it has any practical meaning for you, but I went through the dreaded noise tests and paperwork to get a noise certificate for my installation. But probably any deviation from my specific setup makes it non-transferable although logic predicts that a smaller engine and a smaller diameter prop won't produce more noise. BTW it came out at 63dB. (Couldn't believe it first because on the ground the prop is quite noisy, probably because the inner part with the large twist is stalled out while the forward speed is zero, but once flying it climbs like a rocket and it brought me very high above the sound measuring spot :-) Oh and this was with the exhaust augmenter and this might cut down a bit on exhaust noise as well). > All that I have read would suggest that the > Smart Avionics controller is well suited for the job. Yes it is. I have the prop with the feather option, it comes with a faster motor, and in fact it reacts so fast that it behaves like a conventional CS prop. Anything I do with the throttle, it never leaves the target 5000 RPM. > Would either of > you recommend their Manifold Pressure transducer or did you go for > something else. If I recall correctly this pressure transducer is optional. It only serves two purposes: to display the % power and/or MAP, and to use the "Throttle" function. (This allows the controller to sense when you suddenly close the throttle in a faster than normal way, like when you want to descend, and it then keeps the prop in coarse pitch rather than trying to keep the target RPM. The idea is that you can subsequently slam the throttle wide open without risk of overspeeding the prop). I found it hard to utilize this function as I have learned to be slow on the throttle anyway so the "throttle" function rarely kicks in and in the case of a go around I would still throttle up slowly, giving the controller enough time to cycle the prop to coarse. I have a 914 which has a constant high airbox pressure regardless of altitude, I recall there was a different recommendation for the specific MAP transducer for the non-turbo engines. In hindsight I found the need for this transducer minimal. I have it, and it now serves mainly as a backup display for the MAP. Frans


    Message 9


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    Time: 06:47:32 AM PST US
    From: Frans Veldman <frans@privatepilots.nl>
    Subject: Re: Propellers - Woodcomp SR3000/2W
    On 05/31/2011 03:21 PM, Carl Pattinson wrote: > It's pretty likely that a 2 bladed prop would be unacceptable to the LAA due > to the increased diameter. The standard 3 blade prop is just on the limits > of what they will accept for a mono-wheel (especially the original Classic > engine installation). The newer engine mounting/ cowlings have the engine > about 2" higher off the ground than the original design. And I have to add that with my tri-gear installation, I have extended the nose gear with 5cm (2 inches) for higher ground clearance as my "home" field is a bumpy grass strip. But this is for my 1750mm prop. Frans


    Message 10


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    Time: 08:28:19 AM PST US
    From: David Lewendon <davidlewendon@me.com>
    Subject: PFA Inspectors
    My permit is up for renewal in August and I am planning to be in the Damyns Hall or Cheltenham area for that period (Although I can go anywhere else within reason if required). Can anyone suggest a PFA inspector with Europa experience who might be able to sign off my permit and help with the inspection? Thanks David


    Message 11


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    Time: 12:00:26 PM PST US
    From: "David Joyce" <davidjoyce@doctors.org.uk>
    Subject: Re: PFA Inspectors
    David, Roger Targett at Nympsfield Gliding site is my inspector and has supervised the building of something like 5 europas. He is also someone I would thoroughly recommend. You can fly into Nympsfield having talked to the Gliding Club there (01453 860342) and Roger has a comprehensively equipped workshop (where he repairs all manner of aircraft). He is contactable on 01453860861 or sailplane@btconnect.com Regards,David Joyce, G-XSDJ ----- Original Message ----- From: "David Lewendon" <davidlewendon@me.com> Sent: Tuesday, May 31, 2011 4:24 PM Subject: Europa-List: PFA Inspectors > > My permit is up for renewal in August and I am planning to be in the > Damyns Hall or Cheltenham area for that period (Although I can go > anywhere else within reason if required). Can anyone suggest a PFA > inspector with Europa experience who might be able to sign off my permit > and help with the inspection? > > Thanks > > David > > >


    Message 12


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    Time: 12:32:09 PM PST US
    From: David Lewendon <davidlewendon@me.com>
    Subject: Re: PFA Inspectors
    Thanks David, sounds like a first class chap. I will give him a call. I will probably be at Croft farm if I go to Cheltenham which is not far away from Nympsfield. On 31 mai 11, at 20:56, David Joyce wrote: > > > > David, Roger Targett at Nympsfield Gliding site is my inspector and > has supervised the building of something like 5 europas. He is also > someone I would thoroughly recommend. You can fly into Nympsfield > having talked to the Gliding Club there (01453 860342) and Roger > has a comprehensively equipped workshop (where he repairs all manner > of aircraft). He is contactable on 01453860861 or sailplane@btconnect.com > Regards,David Joyce, G-XSDJ > ----- Original Message ----- From: "David Lewendon" <davidlewendon@me.com > > > To: <europa-list@matronics.com> > Sent: Tuesday, May 31, 2011 4:24 PM > Subject: Europa-List: PFA Inspectors > > >> > >> >> My permit is up for renewal in August and I am planning to be in >> the Damyns Hall or Cheltenham area for that period (Although I can >> go anywhere else within reason if required). Can anyone suggest a >> PFA inspector with Europa experience who might be able to sign off >> my permit and help with the inspection? >> >> Thanks >> >> David >> >> >> > >


    Message 13


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    Time: 12:42:22 PM PST US
    From: "Richard Churchill-Coleman" <richard.churchill-coleman@sky.com>
    Subject: Motor Glider Vy Best Climb Speed
    To US Motor Glider Pilots (or maybe Bud if reading): The 2006 MG Owners manual from Europa shows two different values for Vy, best rate of climb speed. On the back page it shows 70 knots while elsewhere it shows 75 knots. 75 knots is the Vy value from the short wing Owners Manual. Does anyway know if the 75 knot references in the MG Owners Manual are a mistaken carry over from the short wing owners manual or whether, alternatively, the 70 knots on the back page of the MG Owners Manual is a typo and should read 75 knots? Why do I care? Just trying to order an ASI with an extra blue line to mark Vy. Thanks Richard C-C


    Message 14


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    Time: 04:00:09 PM PST US
    From: GRAHAM SINGLETON <grahamsingleton@btinternet.com>
    Subject: Re: PFA Inspectors
    he's certainly a first class chap. One of the best.=0AGraham=0A=0A=0A=0A=0A ________________________________=0AFrom: David Lewendon <davidlewendon@me.c om>=0ATo: europa-list@matronics.com=0ASent: Tuesday, 31 May, 2011 20:29:29 =0ASubject: Re: Europa-List: PFA Inspectors=0A=0A--> Europa-List message po sted by: David Lewendon <davidlewendon@me.com>=0A=0AThanks David, sounds li ke a first class chap. I will give him a call. I will =0Aprobably be at Cro ft farm if I go to Cheltenham which is not far away from =0ANympsfield.=0A =0A=0AOn 31 mai 11, at 20:56, David Joyce wrote:=0A=0A> --> Europa-List mes sage posted by: "David Joyce" <davidjoyce@doctors.org.uk>=0A> =0A> David, Roger Targett at Nympsfield Gliding site is my inspector and has =0A>superv ised the building of something like 5 europas. He is also someone I would =0A>thoroughly recommend. You can fly into Nympsfield having talked to the Gliding =0A>Club there (01453 860342) and Roger has a comprehensively equi pped workshop =0A>(where he repairs all manner of aircraft). He is contacta ble on 01453860861 or =0A>sailplane@btconnect.com=0A> Regards,David Joyce, G-XSDJ=0A> ----- Original Message ----- From: "David Lewendon" <davidlewend on@me.com>=0A> To: <europa-list@matronics.com>=0A> Sent: Tuesday, May 31, 2 011 4:24 PM=0A> Subject: Europa-List: PFA Inspectors=0A> =0A> =0A>> --> Eur opa-List message posted by: David Lewendon <davidlewendon@me.com>=0A>> =0A> > My permit is up for renewal in August and I am planning to be in the Damy ns =0A>>Hall or Cheltenham area for that period (Although I can go anywhere else within =0A>>reason if required). Can anyone suggest a PFA inspector w ith Europa experience =0A>>who might be able to sign off my permit and hel p with the inspection?=0A>> =0A>> Thanks=0A>> =0A>> David=0A>> =0A>> =0A>>


    Message 15


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    Time: 11:45:59 PM PST US
    From: Fred Klein <fklein@orcasonline.com>
    Subject: Re: CS Prop Controller - manifold pressure.
    On May 30, 2011, at 6:35 AM, MalcolmH wrote: > > I'm also considering a Woodcomp SR3000 with the Smart Avionics unit > for my monowheel. This thread prompts me to give further thought about propeller selection...I'm wondering if anyone would be willing to lay out their rationale for using the Smart Avionics (generic) unit w/ the Woodcomp SR3000/W rather than the controller sold by Woodcomp? w/ appreciation, Fred




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