europa-list
[Top] [All Lists]

Re: Europa-List: Re: Propeller Sizing

Subject: Re: Europa-List: Re: Propeller Sizing
From: timward <ward.t@xtra.co.nz>
Date: Thu, 30 Dec 2021 07:40:25
See:

https://warpdriveinc.com/product/3-blade-prop-std-hub/

Sent from my iPad
Tim Ward
12 Waiwetu Street, 
Fendalton, 
Christchurch, 8052
New Zealand.
ward.t@xtra.co.nz 
021 0640221

> On 30/12/2021, at 1:12 AM, Mike <mike@nyumba.co.uk> wrote:
> 
> =EF=BB
> Hello Tim
> Thanks, this is what I was after the only problem is that sadly for me you
 are in NZ and I suppose governed by different regs!
> Here in the UK we are subject to something called CS-VLA 925 (easily googl
ed) which makes minimum prop clearance demands.
> However glad to hear that you are getting good results, what brand of blad
es are you using?
> Thanks
> Mike
>  
> From: owner-europa-list-server@matronics.com [mailto:owner-europa-list-ser
ver@matronics.com] On Behalf Of timward
> Sent: 29 December 2021 10:45
> To: europa-list@matronics.com
> Subject: Re: Europa-List: Re: Propeller Sizing
>  
> Hi Mike,
> I have 64=9D prop blades on my Mono Wheel Classic #292. Prop clearan
ce is not a problem.
> With the Airmaster CSU, Rotax 912ULS 100hp, it provides excellent performa
nce.
> Upgraded to 64=9D from 62=9D after a prop strike, on recommend
ation from Airmaster.
> Cheers,
> Tim
> 
> Sent from my iPad
> Tim Ward
> 12 Waiwetu Street, 
> Fendalton, 
> Christchurch, 8052
> New Zealand.
> ward.t@xtra.co.nz 
> 021 0640221
> 
> 
> On 29/12/2021, at 11:29 PM, Mike <mike@nyumba.co.uk> wrote:
> 
> 
> Thanks Bud for your usual excellent reply.
> I have been in contact with Dirk who has indeed suggested a replacement
> blade of 64" and been most helpful but the issue remains, can I fit a 64" t
o
> a classic mono. The LAA have provided me with a spreadsheet of calculation
s
> to determine prop tip clearance at Max AUW which I will carry out but they

> were unable to find out easily if any other classics were operating with a

> 64" prop so this is why I asked the community if anyone was operating with

> one.
> Thanks for the pointer to your website I will certainly have a look.
> 
> Thanks
> Mike
> 
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of
> budyerly@msn.com
> Sent: 28 December 2021 16:44
> To: europa-list@matronics.com
> Subject: Europa-List: Re: Propeller Sizing
> 
> 
> Mike,
> My website has how to select a prop for your Rotax.
> 
> The 62 inch Warp Drive Taper blade is fine for most 80HP Rotax powerplants
.
> The Rotax 912ULS 100HP has significantly more torque and the 62 inch taper
ed
> blade is not very efficient.  My US folks were very disapointed with tryin
g
> to use this short tapered blade on the 912ULS in both the Airmaster and th
e
> fixed pitch versions.
> 
> The blade angle will be quite high and takeoff will be shortened, climb wi
ll
> be less and the cruise will be about 5 knots slower.  The 80HP Rotax won't

> spin a wide chord 64 inch without lugging the engine down.  There is just
> not enough torque.  The tip at takeoff is not able to bite for good
> performance.
> 
> The LAA recommendations is for the Warp Drive Standard (wide chord) blade o
f
> 64 inch for the Europa (which limits the length for the airframe to 64
> inches) and was the standard Airmaster for a number of years.  The 100HP
> Rotax has the higher torque and can spin the wider and longer props with
> authority.
> 
> Also available for the cost of a blade change is the Sensenich high speed
> blades.  Whirlwind has a blade but due to Covid lockdowns in California le
ad
> time is many months.  Sensenich and Warp Drive are made in free States so
> production and labor issues are not a major problem for delivery at this
> time.  Airmaster will build you up a set of blades and ferrules ready to
> mount.  It will cost you but it is worth it. 
> 
> Contact: Dirk Oyen
> Oyen CTR (Europe Sales and Service)
> Hemelrijk 61
> Heusen-Zolder
> Limburg 3550
> Belgium
> 
> E: dirk.oyen1@telenet.be
> M: +32 477 25 80 28
> 
> Website: www.propellor.com your European Airmaster Dealer.  He has the
> experience you will need to draw on in the UK (See the Airmaster Contacts
> section for resellers.) 
> 
> I have been happy with all the US manufactured blades in the Airmaster Hub
. 
> And NO, you personally can't change the blades yourself.
> 
> Best Regards,
> Bud Yerly
> US Airmaster Dealer
> 
> 
> 
> 
> Read this topic online here:
> 
> http://forums.matronics.com/viewtopic.php?p=505507#505507
> 
> 
> 
> 
> 
> 
> 
> 
> <====================
> 
> <sp;                        -Matt D=============
==========================
=======
> 
> 


<Prev in Thread] Current Thread [Next in Thread>