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Lazair.com Lazair ultralight 2005-10-24T23:06:28-05:00 http://lazair.com/forum/feed.php?f=3&t=488 2005-10-24T23:06:28-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=3006#p3006 <![CDATA[early model upgrades]]>
14.96lbs 34lbs

nacelle 2lbs

looks like less weight more power - great upgrade

Is there any experiance with titantium and aluminium used together.

Statistics: Posted by yankeflyer — Mon Oct 24, 2005 11:06 pm

]]> 2005-10-24T21:22:47-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=3001#p3001 <![CDATA[early model upgrades]]>
Shannon

Statistics: Posted by Shannon — Mon Oct 24, 2005 9:22 pm

]]> 2005-10-24T20:10:09-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=2998#p2998 <![CDATA[early model upgrades]]> USDA Forest Service Qualified Specification 5100-274C
Engine specifications
Rotax® Model185cc
Maximum power 10HP(7,46 kW)
Engine2-cycle, air-cooled, single cylinder with
replaceable cast iron sleeve
Starting systemRecoil, with back-up manual rope starter
Ignition systemDucati electronic ignition
Stroke2.40 (61mm)
Bore2.44 (62 mm)
Displacement185cc (11.29 cubic inches)
LubricationOil in fuel mixture (24:1)
Rotax 185 with muffler, prop and nacelle..... approx... 34lbs


I still need the weight for the 185 to have a complete description for a side-by-side comparison with the Swedish engine and reduction drive.

Statistics: Posted by yankeflyer — Mon Oct 24, 2005 8:10 pm

]]> 2005-10-24T06:09:42-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=2986#p2986 <![CDATA[early model upgrades]]> new lubricants etc
but synthetics do not store your engine well and inviste moisture .

If you live in dry climate you are better off.

Don't ask me but ask a rotax mechanic.
every rotax guy i know says they like synthetics cause they bring them business. for overhauls. NOT KIDDING.

Up to you though -- many will argue that they are good.

i know what works for me for 30 years and no troubles with mineral oils IF you are using the proper ones and mixtures.

Statistics: Posted by xgary — Mon Oct 24, 2005 6:09 am

]]> 2005-10-23T14:37:55-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=2983#p2983 <![CDATA[early model upgrades]]>
The weight looked to be just under 15 pounds and there was the electric start and battery to consider and like Shorty pointed out, the RPM does sound high. I'll have to write them and asked if they'll send me a schematic, for possible application to a Lazair engine mount.

Still with the new lubricants that we use these days and high rpm engines that run 10,000 rpm or more have been common for years in the big bikes.

In the final analysis it will come down to how much money I have at the time when the good deal comes.

Statistics: Posted by yankeflyer — Sun Oct 23, 2005 2:37 pm

]]> 2005-10-23T12:39:02-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=2982#p2982 <![CDATA[early model upgrades]]>
power 10 kw 9000rpm
max rpm 13000 rpm


That is about 13.5 HP at 9k
don't expent that engine to last long cruising a 8000 to 9000 rpm

sound like fun till they puke.

i would bet you could get 15 HP plus fro mthe 185 with some tuned pipes and carbs re jetting and again higher rpms.

PROS vs CONS

Long Life ? OR lotsa power ?

Statistics: Posted by xgary — Sun Oct 23, 2005 12:39 pm

]]> 2005-10-23T05:30:00-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=2980#p2980 <![CDATA[early model upgrades]]> Statistics: Posted by Guest — Sun Oct 23, 2005 5:30 am

]]> 2005-10-22T21:42:58-05:00 http://lazair.com/forum/viewtopic.php?t=488&p=2977#p2977 <![CDATA[early model upgrades]]> Statistics: Posted by yankeflyer — Sat Oct 22, 2005 9:42 pm

]]>