Return-Path: Received: from smtp803.mail.sc5.yahoo.com ([66.163.168.182] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with SMTP id 2973770 for flyrotary@lancaironline.net; Tue, 03 Feb 2004 17:25:49 -0500 Received: from unknown (HELO HomeComputer) (gregory?fuess@68.92.61.167 with login) by smtp803.mail.sc5.yahoo.com with SMTP; 3 Feb 2004 22:25:47 -0000 From: "Greg Fuess" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Renesis Engine For Aircraft Date: Tue, 3 Feb 2004 16:25:45 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0096_01C3EA72.60E15FA0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Thread-Index: AcPqpBtLPKg4yDJiTDSOJUv8qFbK6QAAFm1g Message-ID: This is a multi-part message in MIME format. ------=_NextPart_000_0096_01C3EA72.60E15FA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Tracy, Thanks, I will forward your note to the Vans Air Force list. I thought I would like to install the Renesis since I have procrastinated long enough to have left the option open. Regards, Greg _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Crook Sent: Tuesday, February 03, 2004 4:22 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Renesis Engine For Aircraft Sounds like the NIH (not invented here) factor to me. I'm betting (with money) they are wrong about the Renesis. I have one on the way scheduled for delivery next month. With any luck it will be installed on the nose of my RV-4 before the next Sun 100 race at Sun 'n Fun. The question I have for Powersport is: Why did they stiff their customers who paid 100% for their FWF engine packages and did not get their engine controllers or exhaust systems. I personally talked to 3 of them who had this happen and they said there were others who had the same experience. Did they make delivery or not? If not, I consider them out of business despite their claims to the contrary. Tracy Crook, (and you can quote me on this) ----- Original Message ----- From: Greg Fuess Sent: Tuesday, February 03, 2004 6:32 AM To: Rotary motors in aircraft Subject: [FlyRotary] Renesis Engine For Aircraft All, Some food for thought. Powersport has started replying to e-mail on another list, and was asked about the Renesis engine. This is what Tim had to say. I had thought that the Renesis would have been a great aircraft engine, but would have to lean towards more educated opinion. The questions to powersport and their replies are copied in full below. I would appreciate any feedback on what is said. Thanks, Greg Fuess Thanks for the info. Some questions for you: 1. What is the status of Powersport? Is it currently shipping FWF packages for RVs? Which model RVs? Currently we have completely developed FWF packages for RV 6-7-8-9 (9 at your own "not recommended by Vans" discretion.) 2. Is the Renesis engine interchangeable with the old 13B? Obviously different exhaust, but are the engine mounts, etc. the same? Simply put, the Renesis is not suited for installation in aircraft. There are many reasons for this. 3. Is the Renesis engine better than the old 13B for aviation use? I understand it has better economy and sealing due to the new port arrangement. Is there anything else we should consider? No, the Renesis is far worse for aviation use. It does not have better economy, especially at the RPM range used in an aircraft. It is lower HP! It still needs a suitable aircraft ECU added. It develops its HP at a higher RPM with will reduce its life cycle. The changes made were for emissions and low end torque, which are not important factors in aircraft. Mazda still uses P-Port system for their top racing application. 4. Is Powersport planning on switching to a Renesis-based FWF? No, see above. I am not saying the Renesis is not a good engine, it is a great engine... for a car. The HP ratings are way overstated. Those who have run them on dynos have reported outputs around 180HP. Thanks, Tim ------=_NextPart_000_0096_01C3EA72.60E15FA0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Tracy,  Thanks, I will forward your note to the Vans Air = Force list.  I thought I would like to install the Renesis since I have procrastinated = long enough to have left the option open.

 

Regards,

 

Greg

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Crook
Sent: Tuesday, February = 03, 2004 4:22 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = Renesis Engine For Aircraft

 

Sounds like the NIH (not invented here) = factor  to me.   I'm betting (with money) they are wrong about the Renesis.  I have one on the way scheduled for delivery next = month.  With any luck it will be installed on the nose of my RV-4 before the = next Sun 100 race at Sun 'n Fun.  

 

The question I have for Powersport is:  Why = did they stiff their customers who paid 100% for their FWF engine packages and = did not get their engine controllers or exhaust systems.  I personally = talked to 3 of them who had this happen and they said there were others who had the = same experience.    Did they make delivery or not?  If = not, I consider them out of business despite their claims to the = contrary.

 

Tracy Crook,  (and you can quote me on = this)

 

----- Original Message = -----

From: Greg = Fuess

Sent: = Tuesday, February 03, 2004 6:32 AM

To: Rotary = motors in aircraft

Subject: = [FlyRotary] Renesis Engine For Aircraft

 

All, Some = food for thought.  Powersport has started replying to e-mail on another = list, and was asked about the Renesis engine.  This is what Tim had to = say.  I had thought that the Renesis would have been a great aircraft engine, = but would have to lean towards more educated opinion.  The questions to = powersport and their replies are copied in full = below.

 

I would = appreciate any feedback on what is said.

 

Thanks,  Greg Fuess

 

Thanks = for the info. Some questions for you:

1. What is the status of Powersport? Is it currently shipping = FWF
packages for RVs? Which model RVs?

Currently we have completely developed FWF packages for RV 6-7-8-9 (9 at your own =
"not recommended by Vans" discretion.)

2. Is the Renesis engine interchangeable with the old 13B? = Obviously
different exhaust, but are the engine mounts, etc. the = same?

Simply put, the Renesis is not suited for installation in aircraft. There are many =
reasons for this.

3. Is the Renesis engine better than the old 13B for aviation use? = I
understand it has better economy and sealing due to the new = port
arrangement. Is there anything else we should consider?

No, the Renesis is far worse for aviation use. It does not have better economy, =
especially at the RPM range used in an aircraft. It is lower HP! It still needs a = suitable
aircraft ECU added. It develops its HP at a higher RPM with will reduce its life = cycle.
The changes made were for emissions and low end torque, which are not important =
factors in aircraft. Mazda still uses P-Port system for their top racing = application.

4. Is Powersport planning on switching to a Renesis-based FWF?

No, see above.

I am not saying the Renesis is not a good engine, it is a great engine... for a = car.
The HP ratings are way overstated. Those who have run them on dynos have = reported
outputs around 180HP.

Thanks,
Tim

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