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kheindl(at)msn.com
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 Posted: Mon Aug 25, 2008 4:32 am Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to |
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Kevin C
The springs didn't work for me. My bungee had been mounted for about 7 years (never gave any trouble) it seemed an excellent idea to switch to the springs.
It really dpends which fields you are operating from. I am based at a fairly bumpy grass field C and the springs turn the aircraft into a bucking bronco. Especially on landing C unless you push the stick forward C
the nose can oscillate to the point where control could be lost by an inexperienced pilot.
A bungee is far better for absorbing shock and much more forgiving.
So I recently changed back C but had a problem with getting the bungee as tight as I had before C and I now have what to me is the ideal solution: a spring on one side and a bungee on the other side C plus the safety cable. I should mention one incident with the new bungee C where the safety cable cut through two strands of the bungee C with the safety cable sving me from a prop strike. So now I have all the safety plus the comfort.
If you are not operating on rough terrain C then you shouldn't have to worry with the springs.
Regarding mono versus trigear C someone mentioned the better cruise performance of the mono. Perhaps there is a small advantage but note that it was a trigear that has flown around the world a couple of times C with very economical fuel consumption and a basic 912. It also made more 'local' flights from CA to Alaska and the Bahamas.
The weight advantage is also theoretical. I noticed that some of the more recent monos came in with a higher weight than my tri.
Karl
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| Quote: | From: ksiggery(at)mac.com
To: europa-list(at)matronics.com
Subject: Re: Mono or Tri-Gear C what to choose?Mono or Tri-Gear C what to choose...further question..
Date: Mon C 25 Aug 2008 09:17:09 +0100
--> Europa-List message posted by: Kevin Siggery <ksiggery(at)mac.com>
kind of a corollary to the question; assuming you then have a tri-gear
(as we do; G-ROOV) what is the opinion of people when considering the
bungee nosewheel system compared to the spring system? (we have a
bungee but are thinking of changing).
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topglock(at)cox.net
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| Posted: Mon Aug 25, 2008 6:12 am Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to |
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My bungees needed re tensioning at least once a year, as the front end
got really mushy. After the springs, it's not a problem...
Jeff - Baby Blue
Karl Heindl wrote:
| Quote: |
Dave,
What does that maintenance consist of ? I never noticed anything unusual
with my original bungee, and am convinced that they last at least 10
years. They do need two strong pairs of arms when installing.
Karl
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Date: Mon, 25 Aug 2008 12:56:44 +0100
From: wooburnaviation(at)googlemail.com
To: europa-list(at)matronics.com
Subject: Re: Mono or Tri-Gear, what to choose?Mono or
Tri-Gear, what to choose...further question..
Ran the bungee nose leg system for five years. I found it must be well
tensioned, and requires at least yearly maintenence. Never tried the
springs, but should be good.
dave
2008/8/25 Kevin Siggery <ksiggery(at)mac.com <mailto:ksiggery(at)mac.com>>
<mailto:ksiggery(at)mac.com>>
kind of a corollary to the question; assuming you then have a
tri-gear (as we do; G-ROOV) what is the opinion of people when
considering the bungee nosewheel system compared to the spring
system? (we have a bungee but are thinking of changing).
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wdaniell(at)etb.net.co
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| Posted: Mon Aug 25, 2008 12:25 pm Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to |
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My 5c worth
I went through this dilemma when buying and although the mono looks so much sexier went for tri gear because it thought a mono would be difficult to sell if it ever came to it.
Will
Checked by AVG.
23-Aug-08 13:16
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ptag.dev(at)tiscali.co.uk
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| Posted: Mon Aug 25, 2008 11:09 pm Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to |
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Hi! William/all
I must concur with your statement, I can’t keep my nose out any longer !
I built G-PTAG as a convertible since folks advised that to learn I would need the “TRAINER Wheel” in the first instance and after 600 hours+ I am content to leave it in that configuration. Although anyone who would prefer the mono rig will have it all available when the a/c is up for sale. I have just flown all over Europe alongside and behind Ivor Phillips’ G-IVER and at distance you don’t see the legs in the flight profile. At Mariehamn (Finland) we were confronted with 90 deg cross winds gusting 25-28kts with tree rotor effect making me wonder why I was there until I realized Ivor was behind in his new ship on comparatively low hours. We both handled it OK because the trike has differential braking to assist the rudder with direction control. On departure from the same airfield I heard the tower call gusting 35 kts.
This is not a boast just facts towards the debate. I have witnessed too many mono ground loops for me to ever consider myself competent on mono wheels, why risk your hard earned savings ?
No offence to the many happy and very competent mono fliers.
Regards
Bob Harrison. G-PTAG
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