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To: flyrotary@lancaironline.net
Subject: Re: [FlyRotary] Re: Engine choise for BD-4 (changed from "Hard Landing ")
Date: Tue, 06 Mar 2007 17:24:11 -0500
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Thomas, A second reply, I Grew up in the Campbell CA area and Moto-X Fox started in that area. I knew Bob Fox well enough to be recognized when I came in. He said to me 15 years ago that they (X Fox) were going into mostly off-road trucks and snowmobiles because they coulld get more for the shocks. Just one of the super long travel air shocks, could cost 10K in those days! pretty expensive. 
Bill Jepson
 
 
-----Original Message-----
From: rotary.thjakits@gmail.com
To: flyrotary@lancaironline.net
Sent: Tue, 6 Mar 2007 1:45 PM
Subject: [FlyRotary] Re: Engine choise for BD-4 (changed from "Hard Landing ")


I thought so..

The idea is to keep the speed, but make the BD-4 more rough field capable, shock absorbing without too much rebound would be the ideal thing:
Like the air-bumps on Baja-Racers....

Thomas


On 3/6/07, wrjjrs@aol.com <wrjjrs@aol.com> wrote: 
Thomas, The biggest problem there is, "Does not or barely rebound". The different weights is also tough, but with carbon you could design strong enough for a 4 seater but it would be a bit stiff when unloaded. 
Bill Jepson
 
 
-----Original Message-----
From: rotary.thjakits@gmail.com
To: flyrotary@lancaironline.net
Sent: Tue, 6 Mar 2007 12:18 PM
Subject: [FlyRotary] Re: Engine choise for BD-4 (changed from "Hard Landing ")


I think in one of the old newsletters there was talk about fibreglass landing gear...
Anyone out there with the know how  to "tune" the gear to specific properties?
I like Lynn's idea of using something "designed" like the Stinson gear (need to look that up, any links...?).
Already thought about  "Airbag"-suspension, a la Hornet (Challenger-derivative...)

At the end the best designed gear does not need any adjusting..
Who has the expertise to make/design a glass/carbon gear, that:

Absorbs shock
does it progressively
Does not or barely rebound
Can accommodate different weights (4 seater)

I understand one can play with different fibers, orientation, different resins, etc.
But where to start?? :))

Thomas




On 3/6/07, Bob White <rlwhite@comcast.net > wrote: 
On Tue, 6 Mar 2007 11:24:35 EST
Lehanover@aol.com wrote:

<snip>
>
> I don't remember the Whitman geared BD-4. I was thinking about a Cessna  main
> gear, but I found a complete assembly at Sun&Fun and I could not pick  it up. 
> So, I forgot about it.
<snip>
> Lynn E. Hanover
> <BR><BR><BR>**************************************<BR> AOL now offers free
> email to everyone.  Find out more about what's free from AOL at 
> http://www.aol.com.
>
I just tested the durability of the BD style gear made from 7075
aluminum.  After ripping them completely off the landing gear box, they
are in perfect condition. 

Bob W.  (Leaving to do more paperwork with the FAA.)

--
N93BD - Rotary Powered BD-4 - http://www.bob-white.com
First Flight:  11/23/2006 7:50AM - 3.8 Hours Total Time 
Cables for your rotary installation - http://www.roblinphoto.com/shop/

--
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<div>Thomas, A second reply, I Grew up in the Campbell CA area and Moto-X Fox started in that area. I knew Bob Fox well enough to <SPAN contentEditable=false style="DISPLAY: inline-block"></SPAN>be recognized when I came in. He said to me 15 years ago that they (X Fox) were going into mostly off-road trucks and snowmobiles because they coulld get more for the shocks. Just one of the super long travel air shocks, could cost 10K in those days! pretty expensive. </div>


<div>Bill Jepson</div>


<div>&nbsp;</div>
&nbsp;<br>
-----Original Message-----<br>
From: rotary.thjakits@gmail.com<br>
To: flyrotary@lancaironline.net<br>
Sent: Tue, 6 Mar 2007 1:45 PM<br>
Subject: [FlyRotary] Re: Engine choise for BD-4 (changed from "Hard Landing ")<br>
<br>

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<div id=AOLMsgPart_2_cd79b123-c306-4556-b412-1a11c335a77c>I thought so..<br>
<br>
The idea is to keep the speed, but make the BD-4 more rough field capable, shock absorbing without too much rebound would be the ideal thing:<br>
Like the air-bumps on Baja-Racers....<br>
<br>
Thomas<br>
<br>


<div><SPAN class=gmail_quote>On 3/6/07, <B class=gmail_sendername><A href="mailto:wrjjrs@aol.com">wrjjrs@aol.com</A></B> &lt;<A href="mailto:wrjjrs@aol.com">wrjjrs@aol.com</A>&gt; wrote:</SPAN> 
<BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">

<div>

<div>Thomas, The biggest problem there is, "Does not or barely rebound". The different weights is also tough, but with carbon you could design strong enough for a 4 seater but it would be a bit stiff when unloaded. </div>


<div>Bill Jepson<SPAN></SPAN></div>
<SPAN class=q>

<div>&nbsp;</div>
&nbsp;<br>
-----Original Message-----<br>
From: <A href="mailto:rotary.thjakits@gmail.com">rotary.thjakits@gmail.com</A><br>
To: <A href="mailto:flyrotary@lancaironline.net">flyrotary@lancaironline.net</A><br>
Sent: Tue, 6 Mar 2007 12:18 PM<br>
Subject: [FlyRotary] Re: Engine choise for BD-4 (changed from "Hard Landing ")<br>
<br>
</SPAN>

<div><SPAN class=q>I think in one of the old newsletters there was talk about fibreglass landing gear...<br>
Anyone out there with the know how&nbsp; to "tune" the gear to specific properties?<br>
I like Lynn's idea of using something "designed" like the Stinson gear (need to look that up, any links...?).<br>
Already thought about&nbsp; "Airbag"-suspension, a la Hornet (Challenger-derivative...)<br>
<br>
</SPAN><SPAN class=q>At the end the best designed gear does not need any adjusting..<br>
Who has the expertise to make/design a glass/carbon gear, that:<br>
<br>
Absorbs shock<br>
does it progressively<br>
Does not or barely rebound<br>
Can accommodate different weights (4 seater)<br>
<br>
I understand one can play with different fibers, orientation, different resins, etc.<br>
But where to start?? :))<br>
<br>
Thomas<br>
<br>
<br>
<br>
</SPAN>

<div><SPAN class=q><SPAN class=gmail_quote>On 3/6/07, <B class=gmail_sendername>Bob White</B> &lt;<A href="mailto:rlwhite@comcast.net">rlwhite@comcast.net </A>&gt; wrote:</SPAN> </SPAN>
<BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid"><SPAN class=q>On Tue, 6 Mar 2007 11:24:35 EST<br>
<A href="mailto:Lehanover@aol.com">Lehanover@aol.com</A> wrote:<br>
<br>
&lt;snip&gt;<br>
&gt;<br>
&gt; I don't remember the Whitman geared BD-4. I was thinking about a Cessna&nbsp;&nbsp;main<br>
&gt; gear, but I found a complete assembly at Sun&amp;Fun and I could not pick&nbsp;&nbsp;it up. <br>
&gt; So, I forgot about it.<br>
&lt;snip&gt;<br>
&gt; Lynn E. Hanover<br>
</SPAN>&gt; &lt;BR&gt;&lt;BR&gt;&lt;BR&gt;**************************************&lt;BR&gt; AOL now offers free<SPAN class=q><br>
&gt; email to everyone.&nbsp;&nbsp;Find out more about what's free from AOL at <br>
</SPAN><SPAN class=q>&gt; <A href="http://www.aol.com/" target=_blank>http://www.aol.com</A>.<br>
&gt;<br>
I just tested the durability of the BD style gear made from 7075<br>
aluminum.&nbsp;&nbsp;After ripping them completely off the landing gear box, they<br>
are in perfect condition. <br>
<br>
Bob W.&nbsp;&nbsp;(Leaving to do more paperwork with the FAA.)<br>
<br>
--<br>
N93BD - Rotary Powered BD-4 - <A href="http://www.bob-white.com/" target=_blank>http://www.bob-white.com</A><br>
First Flight:&nbsp;&nbsp;11/23/2006 7:50AM - 3.8 Hours Total Time <br>
Cables for your rotary installation - <A href="http://www.roblinphoto.com/shop/" target=_blank>http://www.roblinphoto.com/shop/</A><br>
<br>
--<br>
Homepage:&nbsp;&nbsp;<A href="http://www.flyrotary.com/" target=_blank>http://www.flyrotary.com/</A><br>
Archive and UnSub:&nbsp;&nbsp; <A href="http://mail.lancaironline.net:81/lists/flyrotary/List.html" target=_blank>http://mail.lancaironline.net:81/lists/flyrotary/List.html</A> <br>
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