On Mon, 30 Jun 2008 16:43:26 GMT, Jim Chandler <n427c@[EMAIL PROTECTED]
> wrote:
>Gunner Asch wrote:
>
>> On Sun, 29 Jun 2008 19:09:06 GMT, Jim Chandler <n427c@[EMAIL PROTECTED]
> wrote:
>>
>>
>>>Gunner Asch wrote:
>>>
>>>
>>>>On Sat, 28 Jun 2008 00:10:36 -0400, "Morgans"
>>>><jsmorgan@[EMAIL PROTECTED]
> wrote:
>>>>
>>>>
>>>>
>>>>>"Tim Wescott" <tim@[EMAIL PROTECTED]
> wrote
>>>>>
>>>>>
>>>>>
>>>>>>For a motor stand I'm using a Tatone stand with a piece of 1/8"
angle iron
>>>>>>on which the engine is bolted.
>>>>>>
>>>>>>Don't do this, unless you want some practical education in
resonances. At
>>>>>>the 'bad frequency' (which was just a bit lower than what the engine
>>>>>>really wanted to do) I could see the cylinder moving through a 1/4"
long
>>>>>>arc.
>>>>>
>>>>>Another thing you can do, until the engine sizes get really big (big
enough
>>>>>to move a concrete block <g>) is to mount the stand to a piece of 2 X
8
>>>>>(either using the steel between the engine mount and the wood, or
not) and
>>>>>mount the whole thing on a 8 X 8 X 16" concrete block.
>>>>>
>>>>>The block adds enough mass to purty much guarantee that the resonance
will
>>>>>be too low to matter, and the wood helps even more to dampen out any
small,
>>>>>fast vibrations.
>>>>>
>>>>>That, plus you don't need to do anything except set your block out in
the
>>>>>yard, and crank up the engine.
>>>>>
>>>>>Like I said, until you go with a really big gasser, it ain't goin'
nowhere!
>>>>><G>
>>>>
>>>>
>>>>
>>>>Anyone need one..Ive got what appears to be a new in box 12vt model
>>>>engine starter.
>>>>
>>>>
>>>>Gunner, with a half completed glider hanging in the reloading
>>>>shop....sigh
>>>>
>>>>
>>>>
>>>>at yoyodyne they were all veterans of the psychic wars
>>>> exiled from the eighth dimension where the winds of limbo roar"
>>>> mariposa rand mair theal
>>>
>>>
>>>
>>>What kind of half-completed glider do you have, Gunner? My
>>>half-completed glider is a "Spirit", and I think that's what I'm
waiting
>>>for to move me to complete it. :-)
>>>
>>>Jim
>>
>>
>> fiberglass fusalage, plywood covered foam wings, with about a 72"
>> wingspan. A good friend gave it to me, as Ive always liked gliders,
>> and he was an engine guy. I bought all the servos, a controller (have
>> to go check what kind...futaba pwm rings a bell...and we started
>> building two planes. The idea was the bird he was building was going
>> to be the tow plane for launching my glider. I even designed a release
>> mechanism...5 channel radio irrc
>>
>> Then he grabbed his chest and dropped dead.
>>
>> I kinda lost interest at that point..and its been hanging up there,
>> with the wings not yet covered for about 10 yrs now.
>>
>> I live in the rolling foothills , with great thermals and good slopes,
>> and many model airplane events are held here, or used to be..the free
>> flights being one. Its about 105F on average here in the summer, and
>> wth the wide open spaces, and great thermals..its a natural for
>> gliders.
>>
>> someday ill get around to fini****ng it. Id like to. But..Ive got two
>> motorcycles Ive not ridden for at least 8 yrs, and a 22' sailboat
>> thats not been in the water for at least that long and the Hobi
>> 16..even longer.....working away from home for weeks at a time...when
>> i get home...too much to do, not enough free time.
>>
>> Gunner
>>
>> at yoyodyne they were all veterans of the psychic wars
>> exiled from the eighth dimension where the winds of limbo roar"
>> mariposa rand mair theal
>
>
>You sound like me with all the projects, and I don't even work away from
>home. Good luck with it. I can imagine that your friend dropping dead
>would sort of take away from the enthusiasm. If you ever get to working
>on it again, just think of it as a memorial to him.
>
>Jim
Ayup...the memorial idea is why I simply didnt give it away to
someone. I owe it to him to get it aloft and land it safely at least
once...though he was known for his spectacular occasional 'lawn darts'
Gunner
"The American people will never knowingly adopt socialism, but under the
name of liberalism they will adopt every fragment of the socialist program
until one day America will be a socialist nation without ever knowing how
it
happened." -- Norman Thomas, American socialist
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