VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Model Specific > RV-12
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 11-08-2017, 11:05 AM
rv9builder rv9builder is offline
 
Join Date: Jan 2005
Location: Irvine, CA
Posts: 587
Default Which Rotax engine for your RV-12iS fuselage?

I received a notice from Vanís saying they need to know what engine Iíll be using before they ship my RV-12iS fuselage kit. Iím still on the fence on this. I like that the 912iS has fuel injection (no carb floats), better climb rate, and better fuel economy. But lighter weight and a $5,000 savings make the 912 ULS attractive, too. Which one would you choose?

Thanks!
__________________
Mark
RV-12 Project: Working on Empennage
RV-9A Project: Sold

VAF donation made for 2017
Reply With Quote
  #2  
Old 11-08-2017, 11:23 AM
gasman gasman is offline
 
Join Date: Mar 2007
Location: Sonoma County
Posts: 3,322
Default

If you were building a house, would you go with tile or granite counter tops?

Look at it this way..... California is going to charge you $1000.00 more than that in taxes when it gets registered.
__________________
VAF #897
2016 =VAF= Dues PAID

Last edited by gasman : 11-08-2017 at 11:29 AM.
Reply With Quote
  #3  
Old 11-08-2017, 12:20 PM
Larco Larco is offline
 
Join Date: Mar 2005
Location: DVT Phoenix
Posts: 895
Default

It might depend on what resale value means to you?
__________________
Larry
Reply With Quote
  #4  
Old 11-08-2017, 01:05 PM
Mich48041 Mich48041 is offline
 
Join Date: Apr 2008
Location: Riley TWP MI
Posts: 2,523
Default

The iS has a larger alternator, if that matters to you.
__________________
Joe Gores
Reply With Quote
  #5  
Old 11-08-2017, 01:37 PM
XOverZero's Avatar
XOverZero XOverZero is offline
 
Join Date: Aug 2010
Location: Irvine, CA
Posts: 376
Default

Mark, let's talk. I'm on the same fence.
__________________
John Halcrow
Irvine, CA
RV-12 120682
Emp/TC done; Wings done; Fuse kit done

"History teaches us that men and nations behave wisely once they have exhausted all other alternatives." --Abba Eban
Paid up until Aug 2018
Reply With Quote
  #6  
Old 11-08-2017, 02:18 PM
skydiverlv skydiverlv is offline
 
Join Date: Jul 2008
Location: kansas
Posts: 266
Default

If you were purchasing a new vehicle, would you consider archaic pre '70s engine management? You are getting more than fuel injection with the 912is.
One day, Rotax will not even offer the ULS new, as a complete assembly.
Get in on cutting edge technology!
__________________

Larry Vandegrift
ULPower 260is, dual ECUs, dual 30 amp alternators
Reply With Quote
  #7  
Old 11-08-2017, 03:44 PM
rjtjrt rjtjrt is offline
 
Join Date: Mar 2006
Location: Australia
Posts: 683
Default

Quote:
Originally Posted by Larco View Post
It might depend on what resale value means to you?
Resale value would be a consideration for me.
Reply With Quote
  #8  
Old 11-08-2017, 03:54 PM
DaleB's Avatar
DaleB DaleB is offline
 
Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 1,720
Default

Been flying a 912ULS equipped RV-12 for a couple of years. If I were building one now... I dunno. The extra cost and that expensive battery with a short history don't give me warm fuzzy feelings. But the extended range... that night do it for me. I do love efficiency. Even if it might actually never pay off in terms of fuel consumption, I've needed to stop for fuel 30-45 minutes short of my destination a few times. I'd love to not have to do that any more. And yes, you'll probably get that $5K back when you sell.
__________________
Dale
Omaha, NE
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
-=VAF=- 2017 dues paid
Reply With Quote
  #9  
Old 11-08-2017, 04:29 PM
rgmwa rgmwa is offline
 
Join Date: Feb 2010
Location: Perth, Western Australia
Posts: 1,542
Default

I'm happy with the ULS, but if I was building again I'd choose the iS. The extra cost will translate to a higher resale value, if that's a concern. My only hesitation would be the scarcity of trained and knowledgeable Rotax mechanics over here and the number of SB's I've seen for the relatively new iS to date, although both situations will improve over time. The ULS still gets its fair share of SB's too.
__________________
rgmwa
120346
Reply With Quote
  #10  
Old 11-08-2017, 04:35 PM
David Paule David Paule is offline
 
Join Date: Dec 2009
Location: Boulder, CO
Posts: 3,244
Default

Personally, my impression is that there are enough overall improvements, airframe and engine, to make it a worthwhile choice.

Dave
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 10:03 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.