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fklein(at)orcasonline.com
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 Posted: Wed Feb 17, 2010 6:28 pm Post subject: Suberuopa |
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Guys...reached a major milestone w/ the completion of my engine mount
and trial fitting of my engine and cowls. Everything seems to be
true, level, and properly aligned w/ prop flange offset as per manual.
Offset required some tweaking of the footwells; looks like the offset
will also require two small blisters on the top cowl...one for the
front corner of the stbd fuel rail, and one for an offending edge of
the starter motor housing. Cowls are from Alex Bowman's molds who used
them w/ his Honda/CAM 125 engine. I'll be needing a 2.5 to 3 inch prop
hub extension.
Now on to the inlet and exit ducts for the 2 radiators...exhaust
system to follow; if anyone has had experience w/ so called "Swiss
mufflers", I'd love to hear about it.
Engine from RAM Performance w/ MPEFI; dual inlet ports (one per
cylinder) produces 140 hp (at) 5500 rpm; Autoflite PSRU means prop
rotation will be counter-clockwise.
Fred
..jus eatin the elephant...one bite at a time...
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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gcrowder2
Joined: 09 Jan 2006
Posts: 136
Location: Golden, Colorado USA
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| Posted: Wed Feb 17, 2010 10:07 pm Post subject: Suberuopa |
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Oh yeah baby - this thing is going to blow some serious holes in the sky! Just easy on that throttle - 2/3 should be plenty for any normal TO. Then leaving the throttle at
2/3 should do you an easy 160 mph cruise with that 1.9 ratio and Catto or Lipps prop!
Ram makes a fine engine. Been 5 yrs now for my 125 hp Ram unit with no issues.
Nice work Fred - can't wait to see the cooling system you come up with!
Glenn
[quote] From: fklein(at)orcasonline.com
To: europa-list(at)matronics.com
Subject: Suberuopa
Date: Wed, 17 Feb 2010 18:24:26 -0800
Guys...reached a major milestone w/ the completion of my engine mount
and trial fitting of my engine and cowls. Everything seems to be
true, level, and properly aligned w/ prop flange offset as per manual.
Offset required some tweaking of the footwells; looks like the offset
will also require two small blisters on the top cowl...one for the
front corner of the stbd fuel rail, and one for an offending edge of
the starter motor housing. Cowls are from Alex Bowman's molds who used
them w/ his Honda/CAM 125 engine. I'll be needing a 2.5 to 3 inch prop
hub extension.
Now on to the inlet and exit ducts for the 2 radiators...exhaust
system to follow; if anyone has had experience w/ so called "Swiss
mufflers", I'd love to hear about it.
Engine from RAM Performance w/ MPEFI; dual inlet ports (one per
cylinder) produces 140 hp (at) 5500 rpm; Autoflite PSRU means prop
rotation will be counter-clockwise.
Fred
...jus eatin the elephant...one bite at a time...
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| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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kevann(at)gotsky.com
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| Posted: Thu Feb 18, 2010 6:00 am Post subject: Suberuopa |
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Hey Fred,
What do you hear from Alex Bowman and his Honda powered monowheel? I have
wondered how that is going...
Kevin
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kevann(at)gotsky.com
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| Posted: Thu Feb 18, 2010 6:09 am Post subject: Suberuopa |
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Wow Fred,
That looks awesome. 140 HP! I sure hope you can balance this bird. Maybe you
you should put those radiators in the tail!!
Kevin
| Quote: | Engine from RAM Performance w/ MPEFI; dual inlet ports (one per
cylinder) produces 140 hp (at) 5500 rpm; Autoflite PSRU means prop
rotation will be counter-clockwise.
Fred
...jus eatin the elephant...one bite at a time...
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rlborger(at)mac.com
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| Posted: Thu Feb 18, 2010 6:48 am Post subject: Suberuopa |
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Fred,
Very impressive rig. 140 ponies, should make'r git up and go.
Lotsa mass up front there though. How 'bout the radiator mounted in an underside duct aft of the wheel well ala P-51. Help move the CG aft a bit. Might even get a few pounds of thrust out of it (like the P-51) if you design the diverge/converge sections right..
Too bad you can't put the radiators in the wing roots like the Spitfire. They'd fit right in with the Spitfire wing root fairings!
What are your plans for a prop? An engine like that just begs for a C/S prop to take max advantage of the available HP & torque. Is there one available for a backward turning prop?
Keep up the good work,
Bob Borger
On Wednesday, February 17, 2010, at 08:24PM, "Fred Klein" <fklein(at)orcasonline.com> wrote:
| Quote: | Guys...reached a major milestone w/ the completion of my engine mount
and trial fitting of my engine and cowls. Everything seems to be
true, level, and properly aligned w/ prop flange offset as per manual.
Offset required some tweaking of the footwells; looks like the offset
will also require two small blisters on the top cowl...one for the
front corner of the stbd fuel rail, and one for an offending edge of
the starter motor housing. Cowls are from Alex Bowman's molds who used
them w/ his Honda/CAM 125 engine. I'll be needing a 2.5 to 3 inch prop
hub extension.
Now on to the inlet and exit ducts for the 2 radiators...exhaust
system to follow; if anyone has had experience w/ so called "Swiss
mufflers", I'd love to hear about it.
Engine from RAM Performance w/ MPEFI; dual inlet ports (one per
cylinder) produces 140 hp (at) 5500 rpm; Autoflite PSRU means prop
rotation will be counter-clockwise.
Fred
...jus eatin the elephant...one bite at a time...
|
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rparigoris
Joined: 24 Nov 2009
Posts: 792
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| Posted: Thu Feb 18, 2010 7:32 am Post subject: Re: Suberuopa |
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Hi Fred
Looks like a nice going!
Flying an Europa closer to aft CG is desirable. As Andy pointed out in a fax some time ago moving aft limit forward an inch over 1370 lb gross is probably a good idea.
Here's what I did in an attempt to get aft weight but have that weight at least be doing something useful:
I am shooting for closer to aft with my 914, intercooler, Airmaster, SD20S on accessory pad XS Mono, with short and long wings.
I chose to mount battery aft which I calculated using Eric Jones #4CCA and no question it nets out to less weight compared to front mounting and putting lead on tail. It also allowed me to use a battery switch and all sorts of other electrial stuff installed in headrest/s:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=30502
http://www.europaowners.org/forums/gallery2.php?g2_itemId=30683
http://www.europaowners.org/forums/gallery2.php?g2_itemId=30710
Added a rollbar where shoulder harness attaches thus headrests not called upon for structural integrity:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=27386
Took about 15% load off stabilator to mass balance weight by adding lead to front of stabilators, it nets to 3 lbs of lead, but I get to remove .8 lbs from mass balance weight, thus all up weight will be increased by 2.2 lbs, but it is a fairly aft 2.2 lbs:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=28658
Also in rudder area I added some weight by adding an extra hinge, gave the two lower hinge area a bias 2 BID layup, added a set of outriggers to tailwheel spring (help torsional loading, hopeful not break fuse before things bend), added turnbuckles for tailwheel drive, added a Graham ripoff tailwheel stop, and fabricated some trapezoid spacers to better distribute load of thimbles to tailwheel horn:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=27732
If it ends up I am a bit tailheavy, no problem. Did you ever see the Vans higher number (think LSA) with Rotax? It has pitot coming out of center of spinner (prop shaft is hollow on 91Xs). I will bet it could be used for a rapid fire paint ball machine gun using Soldier of Fortune style rapid fire cheap and inexpensive BB guns that if you install a stainless barrel they are devastating on 150PSI (came with a freon can that did not provide much pressure for too long and thin wall aluminium barrel that blew apart at 65PSI). Anyway when chasing other Europas it would be more fun if you filled paintballs instead with paint, bird droppings!
Have fun
Ron Parigoris
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fklein(at)orcasonline.com
Guest
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| Posted: Thu Feb 18, 2010 10:19 am Post subject: Suberuopa |
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On Feb 18, 2010, at 5:41 AM, Kevin Klinefelter wrote:
| Quote: | That looks awesome. 140 HP!
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Kevin...in truth, the 140 was the claimed figure for RAM's 115 hp
engine w/ the dual porting; dyno reading for my engine showed 144 hp (at)
5500, with 153 ft lbs torque (at) 4000 rpm, but those tests were without
the PSRU attached...doing so undoubtedly incurs some losses.
| Quote: | I sure hope you can balance this bird.
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I think the balancing act will turn out fine...ya gotta be an
optimist...I'll keep the "list" appraised of course. I've worked to
tuck the engine a bit further aft than the 9XX...my port valve cover
is nestled into the scalloped area of the footwell...that
helps...some. The "wet" engine weight is claimed to be 176 lbs...but
that figure cannot include both exhaust and cooling systems since they
are not provided. I've yet to hang the engine on a scale.
| Quote: | Maybe you you should put those radiators in the tail!!
|
I'll take your explanation marks to mean you aren't being entirely
serious...but in fact I had considered such a thing...for now, I'm
focused on keeping them upfront.
Fred
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fklein(at)orcasonline.com
Guest
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| Posted: Thu Feb 18, 2010 10:34 am Post subject: Suberuopa |
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On Feb 18, 2010, at 6:36 AM, Bob Borger wrote:
| Quote: | Lotsa mass up front there though.
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Bob,
The pix I posted suffers from some wide angle distortion...it's not
near as massive as it appears.
| Quote: | How 'bout the radiator mounted in an underside duct aft of the wheel
well ala P-51. Help move the CG aft a bit. Might even get a few
pounds of thrust out of it (like the P-51) if you design the diverge/
converge sections right..
|
Y'know...goin down this road I've chosen is a slippery
slope...believe it or not, my mantra is to "manage the degree of
novelty", as unlikely as it may appear.
| Quote: | What are your plans for a prop? An engine like that just begs for a
C/S prop to take max advantage of the available HP & torque. Is
there one available for a backward turning prop?
|
I know Alex Bowman's Honda/CAM 125 is fitted w/ an Airmaster which
turns counter clockwise, so availability is not an issue for a C/S
prop...weight and balance may be (not so for Alex). The torque "curve"
for my engine is pretty flat...see graph below.
Thanks for your encouraging words.
Fred
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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