Today's Message Index:
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1. 06:07 AM - Re: Re: Goin' Racin'? (CarRxW10@aol.com)
2. 06:35 AM - Re: Re: Goin' Racin'? (Jerry Hey)
3. 06:46 AM - Re: Re: Goin' Racin'? (CarRxW10@aol.com)
4. 06:47 AM - Re: Re: Goin' Racin'? (Jerry Hey)
5. 07:09 AM - Re: Re: Goin' Racin'? (CarRxW10@aol.com)
6. 09:46 AM - W-10 For Sale (james wright)
7. 01:14 PM - Re: W-10 For Sale (Fred Weaver)
8. 02:47 PM - Re: Re: Goin' Racin'? (Bob Estelle Danner)
9. 03:40 PM - O-O 3-12-04 (Rick and Cindy)
Message 1
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| Subject: | Re: Goin' Racin'? |
Jerry, has someone done research on the harmonics involved on the reduction
drives used on these auto engines? what effect does it have on the
prop,gearbox, etc..? don't know much about the harmonics on a rotory engine, but
most
recip. engines have a rpm range that is detrimental to everything that is
attached to it.
Alex
Message 2
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| Subject: | Re: Goin' Racin'? |
Trial and error "research" has led to the use of a rubber damper
between the fly wheel and the gear driven drive. This has eliminated
the problem completely in the rotary engine. Talk about a sweet spot
however, the bearing load on the rotary engine is near ZERO at 6000
rpm. If using the 2:17 drive this rpm 2750 prop. That is what I am
doing. A lot of guys are now going to a 2:85 drive which will allow
the engine to spin even faster for takeoff but plan to cruise at
around 6000/7000 rpm. The rotary can run at 8000 rpm all day. Jerry
On Friday, March 12, 2004, at 09:07 AM, CarRxW10@aol.com wrote:
> Jerry, has someone done research on the harmonics involved on the
> reduction drives used on these auto=A0 engines? what effect does it have
> on the prop,gearbox, etc..? don't know much about the harmonics on a
> rotory engine, but most recip. engines have a rpm range that is
> detrimental to everything that is attached to it.
>=A0 Alex
>
Message 3
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| Subject: | Re: Goin' Racin'? |
Jerry, I'm going to keep tabs on your project, I intend to build more than
one Tailwind. I am already committed to build this first one with a 0-320. I
will, however, consider the rotory for the next one. I like the idea of less
vibration/moving parts
Alex
Message 4
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| Subject: | Re: Goin' Racin'? |
I need more sleep. The data I reported on rotary performance is off a
"little." The engine will easily develop 120 hp per rotor (P-Port or
turbo) not 220 hp. That gives 360 hp at 6000 rpm. Of course, in
racing the engine would be turning around 10,000 rpm and the hp would
be enormous. There is a running 900 hp version of the of the three
rotor at Racing Beat in California. I've not seen it run myself but it
was sitting next to the dyno when I visited the shop. It is so compact.
The immediate thought was "this baby needs to be in an airplane." I
think it was intended for a drag racer. Jerry
On Thursday, March 11, 2004, at 06:59 PM, Jerry Hey wrote:
> I don't know the weight but I do recall that a 20B is about 100 lbs
> lighter than an IO-540. Six hundred and sixty hp is easy to achieve
> (220 per rotor) turbo or P Ported. . Of course if one wants to spin
> the engine a little faster in the 8,000/9000 rpm range, a LOT more
> power can be extracted. For those who are unaware of the rotary
> engines ability to spin, the new RX8 is red lined at 9000 rpm. The
> hard part is a reduction drive that will input 9000 rpm and output
> 2750. A 2:8 reduction drive is the closest we can come to it at the
> present time. Jerry
>
>
> On Thursday, March 11, 2004, at 12:08 PM, Luc H. wrote:
>
>> Call it a Tailwind Rocket, with a parallel valve IO-540 or a three
>> rotor Mazda 20B.
>>
>> Jerry do you=A0know the weights and HP on the 20B?
>>
>> ----- Original Message -----
>> From: Fred Weaver
>> To: tailwind-list@matronics.com
>> Sent: Thursday, March 11, 2004 8:33 AM
>> Subject: Tailwind-List: Re: Goin' Racin'?
>>
>> I think you all are nuts....=A0=A0 BUT, I like the idea!=A0=A0 AND, I'd
>> definitely love to fly the machine around the race course.
>> Weav
>>
>> ----- Original Message -----
>> From: Rick and Cindy
>> To: tailwind-list@matronics.com
>> Sent: Thursday, March 11, 2004 8:15 AM
>> Subject: Re: Tailwind-List:
>>
>> Wags: Thanks, the Chevy has lots of good things going for it.
>> Definitely something to think about.
>> Rick
>> N241SW
>>
>> ----- Original Message -----
>> From: James E. Wagner Jr.
>> To: tailwind-list@matronics.com
>> Sent: Thursday, March 11, 2004 10:47 AM
>> Subject: Tailwind-List:
>>
>> check this out Rick http://www.shafiroff.com/434_595_engine.asp
>>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0
>>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0
wag"s
>>
>>
> J-Wind Designs/Tailwind Times
> 3790 S. 600 W.
> Albion, Indiana 46701
> 260-799-4507
>
J-Wind Designs/Tailwind Times
3790 S. 600 W.
Albion, Indiana 46701
260-799-4507
Message 5
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| Subject: | Re: Goin' Racin'? |
220 OR 120 HP PER ROTOR, Still impressive !
Message 6
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--> Tailwind-List message posted by: "james wright" <njwright@mw.net>
: W-10
>
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2466646271&cat
> egory=26428
> Has some pictures that might be of interest.
Message 7
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| Subject: | Re: W-10 For Sale |
--> Tailwind-List message posted by: Fred Weaver <mytyweav@earthlink.net>
Looks very interesting... may make someone a nice plane.
On Friday, March 12, 2004, at 10:48 AM, james wright wrote:
> --> Tailwind-List message posted by: "james wright" <njwright@mw.net>
>
>
> : W-10
>
>
>>
> http://cgi.ebay.com/ebaymotors/ws/
> eBayISAPI.dll?ViewItem&item=2466646271&cat
>> egory=26428
>> Has some pictures that might be of interest.
>
>
> _-
> =======================================================================
> > _-
> =======================================================================
> > _-
> =======================================================================
> > _-
> =======================================================================
> >
>
>
Message 8
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| Subject: | Re: Goin' Racin'? |
Hi Alex you harley guys all worry about that VIBBBBRRATIIIOONNN Bob Danner
----- Original Message -----
From: CarRxW10@aol.com
To: tailwind-list@matronics.com
Sent: Friday, March 12, 2004 8:45 AM
Subject: Re: Tailwind-List: Re: Goin' Racin'?
Jerry, I'm going to keep tabs on your project, I intend to build more than
one Tailwind. I am already committed to build this first one with a 0-320. I will,
however, consider the rotory for the next one. I like the idea of less vibration/moving
parts
Alex
Message 9
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Skinnin' the doors. This is where you find out if you paid attention in high school
shop class or not. Which is, by the way, pretty much true for the whole airplane.
Rick
N241SW
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