7.3.11:
fin/mobi`dog.guard
6.11.19:
todo"mobi`dog.guard/skeleton:
. use the angleiron more for joint pieces;
connect the iron or tube to dahon tube by bolts .
6.11.19: todo.mobi`dog.guard/non-cutting angle.iron:
. not all the cut angle-iron is smooth yet,
it should be before put into use .
7.1.25: shell/quick
exit --for manual reverse drive
. may need to reverse after overshooting an intersection,
so keep in mind during design of dog.guard and driver shell,
being able jump out in a hurry
and push on the dog.guard to move mobi backwards
. so the dog.guard must be push-strong and it`s door must be easy to
get through .
7.2.15:
. or, the handlebars should be push-strong .
proc's
7.4.10:
proc"shell`fencing
. add the fabric first (mosquito netting), and then use that as a place
to add panels of fencing
. adding layers of multiple reusable panels will make things easy and
safe
. fold the fence`prickles back, because vehicles should reduce
collision damage to pedestrians .
7.4.13: proc"sewing
shell to lockbox:
. the driver`s shell will be primarily a poncho-type covering,
and to integrate it with the rest of the vehicle
requires some way of bonding the fabric to metal
. one way to minimize the use of connectors
is bolting a strip of metal or wood to the vehicle body,
and then trapping the fabric under that strip .
spec's
6.11.19: bite-proofing
. the dog.guard doesn't have to be very tough,
as long as they don't have anything to latch onto, they have no power
at all
6.12.17:
. if the wire cloth has any curve
that shouldnt be in an area where dogbite would matter
( they can take any bend or texturing, and put a 1000lb crush on
it ) .
6.12.17:
. it needs great strength only in the downward motion of slamming into
bumps,
7.1.27: arms
. 2ft long plywood is needed to reach beyond hands;
ie, 20'' and the 4'' to anchor with 2x4 to side of mobi .
7.2.4:
. as for height,
it should not obstruct side vision;
the important thing is keeping hands and feet out of the wind,
and assisting with the dog.guard function .
7.1.27: legs
[7.2.15: assumes front entry: obs]
. if the leg shield has a door,
then having side shields for the arms
will not obstruct access to the driver seat .
12.26: [obs]
. can use a side wheel for help with dismounting and taking steep right
turns .
[7.2.15:
. obs`reason is getting in the way of taking steep turns in either
direction,
and virtually locking up steering by being so far forward
though could have a centered wheel braking in the rear .
[@] mobi`brakes ]-7.2.15
7.1.30:
. the bike with boots is 16'' wide, and a pair of small shelves is 22,
but that's not too wide when considering
an insulation space option
. heel of pedalling foot drops below axle?
need vert's in that area for adjustably attaching hor's
. consider building a frame around the tire,
parallel to the ground, and at the bottom of the dog.guard (about 6''
from the ground)
. it's 10'' deep, and the width is asymmetric
because of the chain being in the way:
widths (front...back)?
( left -> 1..3
, right -> 2.75 ...3
) .
7.2.4: proj"skeleton
[obs]:
. just about 2'' above the dahon`hub on it`s forks,
is a good place to put hor.beams that anchor the dog.guard shell .
7.2.6:
. this doesn't seem to take into acct the depth`min of the driver`heels
.
. the first skeleton that looks really hopeful,
it drops a 3-sided angle iron down to form an inverted "(T)
low eno' so that the box can be parallel to the ground
and heavy-duty eno' to hold the weight of the cage
. the crossbeam at the bottom seemed to be a problem because the vert
was upward,
but you can attach the shell from the underside .
. then it has the upward diagonal beam to prevent
rotation of the cage off the foundation
--. the upward diagonal is too short,
but it can be extended with lightweight shelving beams,
since the rotational forces are not that great .
. fuji`seat.tube can extend dahon,
so that fuji rear fork is crossable and provides triangularity at the
top for strength .
. the dog.guard should be easily removable for cold bike repairs
eg, w tab & slots you can take a panel off with one screw .
mom`s glass table`s frame can be reused for dog.guard
7.2.5:
. take apart the glass table`struct to see how it might be added
to dog`guards skeleton .
notice the parts of fuji that were to be used together
don't have a worry about connecting side-by-side,
because they closely fit together (the top.tube into the seat.tube)
. this arrangement would be better than the seat.tube alone
because the fuji tubing is very lightweight,
and gets it`s strength from having dbl-thickness at the joints,
and so having the tubes fit like that
allows a dbl-butted tube of any length I need .
7.2.6:
. another config' for the fuji,
is the fuji`forks can be attached to the dahon`forks,
and the fuji`seat.tube inserted into the dahon`seat.tube
. this would create a very secure yet lightweight foundation for a
crossbeam
. it involves std bike parts which in this case are a highly valued
metal
that should be preferred over use of angle iron .
7.2.8:
reuse of dahon`rear.fork bolt.holes:
. bolt.holes made in back dahon`back.forks, where dahon`front.forks
were first attached
is where the angle iron should be bolted to form a foundation .
. angle iron config for rear-door'd driver`shell:
. use the angle iron to make hor'wings at the bolt-hole points .
2.9:
. if wanting to use long pieces;
then at the dahon`rear.fork`bolt.hole
it can point down, with the long side in x.y-plane
. attached to that would be bolted another angle.iron hor'ly,
with the long side again in the x.y-plane
2.9:
. start cutting pieces of angle iron for bolting to dahon`back.forks
. shifting pos' on angle iron config?
7.2.8: breakthrough: door from rear instead of side
. the shell`s design can be simplified by deciding that
the prefered way to mount
is from the back,
. in that case, the cabin`s side struct's should leave space
for the driver to use the trailer`frame as kick-up for sliding up
backwards
from one side or another
. if the driver can enter from either side,
then there won't be much to the side struct on the right side except
for the fender,
since the cabin`s entrance will also be on that side .
7.2.17:
. if the driver can enter from either side, then it might be easier
to enter the cabin that way too
although that would make the trunk more difficult to access .
2.9: angle-iron foundation:
. decide on cuts: breaking a piece in half (the piece that was a
hor'beam on the scooter)
will bu ok for verts from the dahon`back.fork`bolt.holes
. cut angle-iron: a 2nd short piece (square), and a pair of 9'',
install shorts .
mis:
. realize that was the plan that got changed just before I started
prepping the parts
. I was making the shorts for the old plan but no matter
because the squares are gen'ly useful anyway, as a joint-make
. what I need at the dahon`s bolt.holes is the 9''
in the same position as I now have the squares
to bring a point vert'ly from there to near the ground,
to anchor the 6.5'' coming out hor'ly
for a bar along the x-axis
that will keep the dog.guard from rotating around the z-axis .
mis"squares:
. result is too low during a turn to avoid hitting bumpy ground?
reverse angle-irons 6'' and 9'';
then decide to reverse that again, and instead raise things by bolting
a knotch higher,
both the vert to the dahon, and the hor' to the vert'
. was thinking that even though the bottom was no longer flat for
easy-attachment of dog.guard,
I could still attache beams rather than the sheets directly
. finally,
I got the idea to add the squares to the ends,
so that I could attach both the sides and bottoms of the dog.guard
7.2.11: asm #1: [mis]
. the short sheets should go vertically,
with 2 narrow ones in front, and some combination of narrow and wide
along the sides .
. build a box with the short shelving (wide and narrow)
having dimensions:
( 2(narrow width), short length, short length ) .
7.2.11: reduced wind resistance# fixed shell architecture
. worry dog.guard will catch the wind?
perhaps
side panels should be attached to the trailer instead of the bike .
7.2.13: upper shell`dimensions
. the secure place to attach side panels is directly onto lockbox
but that is too narrow compared to the width needed by steering
hence,
side panels can't be below pedal max.height .
7.2.13:
. a crossbeam high-up would be helful for keeping the sides from
collapsing against driver;
there is room for one on the handlebar`stem (just under the driver`s
seat in this model)
but no room on the front.fork`top because it doesn't clear heel .
7.2.12: reduced wind resistance# foot armor
. along with strapping boots into pedals,
could strap on lower leg armor and this would remove the
majority of the wind resistance problem;
eg, modify the ankle armour with a slit on the inside and then widening
so that it doesn't affect ankle movement but still provide ankle
protection from dog bites .
. the current architecture of angle.irons would still be useful,
but would hold far less than the current huge box .
7.2.12: rollerblade
inspection
. inspect rollerblades for how they might be reused
. the top part that swivels with ankle would not be stiff the upper of
the base part was removed
. normal shoes can fit inside all but the heel part
. the front part of the blade can be kept with it`s 2 holes for tying
to the pedal .
7.2.13: reduced wind resistance# wide-mesh screen
. in addition to hard boots,
wind resist can be aided by using caging instead of sheets
. can cover with tarp if cold .
. wire cloth lets wind through instead of catching it all
. the current skeleton can hold a screen blob away from legs,
and twist ties can act as both quick-release connectors that splay on
impact
and also barbs that inhibit biting into screen
. on the other hand, doing that would cause more damage to skin or
paint if hitting something .
7.2.14: proc:
. the main fencing can be a side square like this:
[!]pict: (the bottom`s L is on corner on square, and the top`s T is a
cross.corner of square)
and then the rest of the fencing can be built-up from that,
using fence-patching connections that form a complete cage
. the square can be modified to be round;
or, some overhang can be rounded by folding inward a corner of
the square .
7.2.6: rollerblade reuse:
. perhaps the security of using hard rollerblades as pedal straps
would mean some of the front guard could be nixed?
. the guard should also serve to keep the chain out of the mud if
possible .
7.2.17:
. the part nixed would be the front, not the bottom,
so there is still the chain guard option,
and in the very cold there could blanket,
and fenders could be added to the boot
insuring that they glided freely past the blanket .
7.3.21:
sideboards/minimal dependency on boom height
. the optimal height or min-max points of the sideboards
will depend on the boom`angle
which may be changed in the future
. this will not affect the design of the sideboards,
since their min-max points are changed simply by shifting wood screws .
