Today's Message Index:
----------------------
1. 01:14 AM - Re: Aircraft Tug (John M Tipton)
2. 01:01 PM - Re: Aircraft Tug (Joe Motis)
3. 06:01 PM - Re: Re: Revmaster R2300 Ignition (Robert L. Nuckolls, III)
4. 08:01 PM - Re: Revmaster R2300 Ignition (dj_theis)
Message 1
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| Subject: | Re: Aircraft Tug |
There=99s a couple of =98walk along tugs=99 in our hangar w
hich use rechargeable drills (the DeWalt brand seems =98de rigueur
=99), which just goes to show what is required using the right gearing.
John
Sent from my iPad
----x--O--x----
> On 12 Apr 2020, at 12:08 am, skywagon185guy . <skywagon185@gmail.com> wrot
e:
>
> =EF=BB
> Mike,
> ...one tip is: you have to gear way down the motor which will increase its
final driving torque greatly. So, don't be afraid of smaller size motors. Fo
r heavens sake, don't use an auto starter type motor; way too powerful. Fir
st engagement would rip your whole tug apart.
>
>> On Sat, Apr 11, 2020 at 12:32 PM <mike@vision499.com> wrote:
>>
>>
>> Hello all
>>
>>
>>
>> I=99m looking at building a 12v battery operated aircraft tug, not
a ride on just a walk with. My max aircraft weight will be about 1800 lbs.
>>
>>
>>
>> I am looking for advise on what size motor I will need. There are a few 1
2v motors for sale on ebay but they are not rated in hp so am not sure of wh
at specs I=99m looking at.
>>
>>
>>
>> One thought was to use a car starter motor but that is not rated for cont
inuous service but the farthest I will go with the tug is 100 yds and I
=99m not sure if it will cope with that distance. A friend has also suggeste
d converting an alternator into a motor, not sure what that entails. Ebay h
as scooter motors with a speed controller that seems ideal but not sure if t
hat will be powerful enough but it will be geared right down.
>>
>>
>>
>> I look forward to hearing your thoughts and ideas
>>
>>
>>
>> Thanks
>>
>>
>>
>> Mike
>>
>>
>>
>>
>>
>>
>> Virus-free. www.avast.com
Message 2
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| Subject: | Re: Aircraft Tug |
Her you go Mike
[image: 1014001835[1].jpg] I could not find another picture but I mounted a
trailer hitch ball on to of the frame right behind the batteries and
fabricated a tow bar with a hitch connector on it. Works excellent.
On Sat, Apr 11, 2020 at 12:42 PM <mike@vision499.com> wrote:
>
>
> Hello all
>
>
> I=99m looking at building a 12v battery operated aircraft tug, not
a ride
> on just a walk with. My max aircraft weight will be about 1800 lbs.
>
>
> I am looking for advise on what size motor I will need. There are a few
> 12v motors for sale on ebay but they are not rated in hp so am not sure o
f
> what specs I=99m looking at.
>
>
> One thought was to use a car starter motor but that is not rated for
> continuous service but the farthest I will go with the tug is 100 yds and
> I=99m not sure if it will cope with that distance. A friend has als
o
> suggested converting an alternator into a motor, not sure what that
> entails. Ebay has scooter motors with a speed controller that seems idea
l
> but not sure if that will be powerful enough but it will be geared right
> down.
>
>
> I look forward to hearing your thoughts and ideas
>
>
> Thanks
>
>
> Mike
>
>
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm
_campaign=sig-email&utm_content=emailclient> Virus-free.
> www.avast.com
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm
_campaign=sig-email&utm_content=emailclient>
> <#m_3616394520000165289_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
Message 3
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| Subject: | Re: Revmaster R2300 Ignition |
I've been pondering this topic for a few days. The
ignition system on this engine is really rather clever . . .
manipulation of 4 switches in pattern gives you
a 100% check on condition of ignition components!
I think I'd try to avoid adding to the complexity
of this already 'optimized' switching philosophy.
If it were my airplane, I'd craft a shield and
gang bar (magenta and blue) to give me single-stroke
shutdown of all switches. Mounting the switches
on 0.8" centers makes for a compact cluster that
goes to choreographing the toggle-switch-tap-
dance during preflight run up.
Bob . . .
Message 4
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| Subject: | Re: Revmaster R2300 Ignition |
[quote]>I think I'd try to avoid adding to the complexity
>of this already 'optimized' switching philosophy.
>If it were my airplane, I'd craft a shield and
>gang bar (magenta and blue) to give me single-stroke
>shutdown of all switches. Mounting the switches
>on 0.8" centers makes for a compact cluster that
>goes to choreographing the toggle-switch-tap-
>dance during preflight run up[/quote]
It's hard to argue common sense. Thanks for all the feedback and above all, thanks
for serious consideration of my excursion into unnecessary complexity. I
think it's safe to say I've been "talked back from the ledge" and will be installing
4 switches.
Best regards,
Dan.
--------
Scratch building Sonex #1362
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http://forums.matronics.com/viewtopic.php?p=495786#495786
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