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Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to c

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wooburnaviation(at)google
Guest

Posted: Mon Aug 25, 2008 3:57 am Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to c

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 (ksiggery(at)mac.com)>

 [quote]--> Europa-List message posted by: Kevin Siggery <ksiggery(at)mac.com (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).

 

  [quote][b]

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wooburnaviation(at)google
Guest

Posted: Mon Aug 25, 2008 11:35 am Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to c

The combination spring / bungee  approach sounds like a great solution.  Can't agree about the weight though.  Our group converted out mono to a trike, adding 23 pounds / 10kg.  A Hoffmann C/S prop added another 5 kg ( over a warp drive).

 Dave

 On 25/08/2008, Karl Heindl <kheindl(at)msn.com (kheindl(at)msn.com)> wrote: [quote] Kevin,

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, and the springs turn the aircraft into a bucking bronco. Especially on landing, unless you push the stick forward,

 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, but had a problem with getting the bungee as tight as I had before, and I now have what to me is the ideal solution: a spring on one side and a bungee on the other side, plus the safety cable. I should mention one incident with the new bungee, where the safety cable cut through two strands of the bungee, 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, then you shouldn't have to worry with the springs.

Regarding mono versus trigear, 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, 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

<html><div></div></html>

 	  Quote: 	
		   From: ksiggery(at)mac.com (ksiggery(at)mac.com)

 > To: europa-list(at)matronics.com (europa-list(at)matronics.com)

 	  Quote: 	
		   Subject: Re: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to choose...further question..

 > Date: Mon, 25 Aug 2008 09:17:09 +0100

 	  Quote: 	

 --> Europa-List message posted by: Kevin Siggery <ksiggery(at)mac.com (ksiggery(at)mac.com)>

 > 

 	  Quote: 	
		   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).

 	  Quote: 	

=====================

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		   _========================

 	  Quote: 	

[b]

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paul.the.aviator(at)gmail
Guest

Posted: Mon Aug 25, 2008 6:12 pm Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to c

Hi Dave,



I am just curious,  was the 23 lbs increase including the fairings ?

Would you by chance have used magnesium wheels ?



Regards,



Paul McAllister



N378PJ

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rick(at)amimotormanagemen
Guest

Posted: Tue Aug 26, 2008 7:08 am Post subject: Mono or Tri-Gear, what to choose?Mono or Tri-Gear, what to c

Hi Guys

  

 Don't forget the pre looped single  bungees made up from the original bungee cord!  You put on as many as you  like depending on the tension you require. If it's too loose put another  on.  Easy peasy.

  

 My system has been on for 200 hours or  so with absolutely no problems at the bumpiest, short (300m) strip in the  universe.

  

 Rick Morris

  

 Tri   G-RIKS



   From: owner-europa-list-server(at)matronics.com  [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of David  Buckley

Sent: 25 August 2008 20:35

To:  europa-list(at)matronics.com

Subject: Re: Mono or Tri-Gear,  what to choose?Mono or Tri-Gear, what to choose...further  question..

 

 The combination spring / bungee  approach sounds like a great  solution.  Can't agree about the weight though.  Our group converted  out mono to a trike, adding 23 pounds / 10kg.  A Hoffmann C/S prop added  another 5 kg ( over a warp drive).

  

 Dave

 



 

 On 25/08/2008, Karl  Heindl <kheindl(at)msn.com (kheindl(at)msn.com)>  wrote:   	  Quote: 	
		     Kevin,

 

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, and the springs turn the    aircraft into a bucking bronco. Especially on landing, unless you push the    stick forward,

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, but had a problem with    getting the bungee as tight as I had before, and I now have what to me is the    ideal solution: a spring on one side and a bungee on the other side, plus the    safety cable. I should mention one incident with the new bungee, where the    safety cable cut through two strands of the bungee, 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, then you shouldn't have    to worry with the springs.

 

Regarding mono versus trigear, 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, 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 (ksiggery(at)mac.com)

 To: europa-list(at)matronics.com (europa-list(at)matronics.com)

    Subject: Re: Mono or Tri-Gear, what to choose?Mono or Tri-Gear,    what to choose...further question..

 Date: Mon, 25 Aug 2008    09:17:09 +0100

 

 --> Europa-List message    posted by: Kevin Siggery <ksiggery(at)mac.com (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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  25/08/2008 07:05

 

  Checked by AVG.

 26/08/2008 07:29

     [quote][b]

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