[TowerTalk] TOWER CG HDX-589

Richard (Rick) Karlquist richard at karlquist.com
Mon Feb 18 19:44:37 EST 2019


I rented a 24 foot flatbed truck to move my HDX-5106 500 miles.
Piece of cake.  Held it down with the ratcheting straps that
came with the truck.  All 4000 lbs of it up and down over the
Grapevine.

Rick N6RK

On 2/18/2019 2:57 PM, Mac wrote:
> Speaking with very recent experience transporting a HDX-589 with raising 
> arm fixture as well 'T' base plate over a 900 mile trek within the past 
> 3 weeks. Using a 16' trailer is my words a High Risk effort.
> 
> By way of background, a local ham pal when he heard of my NEED and what 
> i was wanting to move showed and then offered to me a used boat trailer, 
> with ONE caveat, I could not return the trailer to him or his property. 
> EVER !
> 
> When i reviewed the trailer i could see what was good looking tires but 
> upon inspection 11 years old, the trailer offered however one very neat 
> feature, the tongue was a 2 1/2" square tube with what i call a Bulldog 
> hitch for a 2" ball. i bought 2 new tires repacked the wheel bearings, 
> and along the way asked myself your very question where or how was all 
> this going to lay out and pull safely with the 589 weighing prox 2,500 
> -2,800 #s .
> 
> The tongue was removable normally slid into a 3" sq tubing and bolted 
> into a fixed length but allowing the boat when carried to be weight 
> balanced and pulling safely, but no way was my 589 going to fit the 
> trailer single axle fixed location and not protrude 5-6' off the front 
> and back. Remember please the 589 fully retracted is closer to 29-30' 
> than 20 or so feet in length, so i was doomed at the outset with my then 
> 16' boat trailer.
> 
> My solution was pretty simple really i bought a new 9-10' piece of 2.5" 
> sq tubing and welded a new coupler and drilled the receiving end out to 
> match the original tongue bolt pattern into the 3" boat frame tubing.
> 
> Arriving at my sellers location i knew he had ample lifting capability, 
> we experimented a few tries to be sure we had the C/G of the tower and T 
> plate, lifted up the tower and i drove the trailer back under the 589 
> and centered where my best experience said it was best and keep in mind 
> i was shooting for 400 or so plus pounds tongue weight onto my truck 
> [Tahoe] 2" ball receiver hitch. Being modest id say i nailed it damn 
> good.. Looking at the truck/trailer combination profile it was very good 
> ..  we tied the raising fixture along and toward the front side.
> 
> When loaded it was however very obvious i had one giant flaw and this 
> circus was never gonna make Texas in one piece. That near 9' of new 
> tongue length had no support along it axis to hold the tower. But i had 
> achieved the perfect C/G and weight ratios. problem pretty easily 
> solved, we made up a block support the take up the void between the 
> tongue and tower void, as it turns out a 2x6 was the perfect fit. then 
> using the 2" ratchet nylon straps we just bonded the tower to the tongue 
> and every problem was solved.
> 
> Until the poor Mississippi I-10 roads and the entry and exit of bridges 
> bounce began to shift the tower to one side. Where i had gone in and 
> made a level line for every support point along the towers flat 
> horizontal side, by Vicksburg it was 2pm it was gonna be dark by 6pm, 
> the locals called it Home Depot but i found the name and credit card 
> receipts said Lowes I didn't give a rats ass. I had money and they had 
> materials ..
> 
> In prepping for this venture i debated what tools to take and hopefully 
> never have to use, it was too endless, i opted for a small hand tool 
> collection and the 3 ton shop alligator jack. We hit the Lowes and 
> bought a new battery drill package and 4x4 treated lumber plus screws. i 
> asked that the 4x4 be cut,  crap you would have thought i was asking for 
> the moon, Oh no !  we are not permitted to cut the stuff ONLY sell it 
> [treated lumber] Ok fine i bought a small hand saw and we set up shop 
> out in the HD  err Lowes parking lot. 4:30 and the sun is going down 
> faster than i want it.
> 
> I got my wife and GSD and making a mess out in the parking lot, I'm 
> gathering a crowd and the every 5 minute question is   "Hey Man whatcha 
> doin"   But in that group 2 of the nicest guys came forward, they had 
> grasped the problem and understood the objective. By dark the tower was 
> centered back onto the trailer and while the jacking process and pulling 
> the tower back parallel to the trailer supports had shifted the tower 
> forward about 6" we were set to go. The 6" shift effected road worthy a 
> bit where it had been safe to reach as fast as 80 mph the extra 
> load-shift forced us to never go beyond 75-76 or then trailer wagging 
> would set up and that is not a pretty sight or safe condition. By 
> Louisiana the rains had come back on our ass, when we reached Shreveport 
> we called it good, had no hotel reservations, while willing to 
> accommodate us the Marriott wanted $1.00 per pound for my GSD [=78.00] 
> the Hilton offered a flat $30.00 extra fee. But when it came time to 
> park the truck and circus trailer, well that was another 30.00 "fee" 
> $223.00 for the night and we got up next morning and hauled ass for Texas.
> 
> Drury Inn was the best and always most accommodating for my GSD. I 
> omitted i had bought and rigged up a set of magnetic lights to mount 
> directly onto the very end of the tower as well keeping the original 
> trailer lighting scheme.
> 
> The trailer, well the tower is still on the trailer awaiting installing 
> here at w5mc  I'm taking down a TM-90' tower and will give or offer the 
> trailer to go with the tower in the very near future.
> 
> But to wrap up this "fishing story" IMO a 16' trailer you wont be safe 
> at all, too much overhang front and back, but i guess it also depends on 
> your overall distance, in town maybe ok,  on the road not for me, and im 
> a risk taker, but not as it is contemplated in this original post/question.
> 
> If i can forward some pictures and measure some stuff let me know, 
> presently i have the tower while still on the trailer run out about 8' 
> feet trying to get measurements for the rotor plate and stuff.
> 
> The bigger stumbling block for me is adapting my TM-90 base plate to 
> accommodate the 589 T plate, me and the GSD did make a run to Houston 
> last Friday and picked up a 1" steel plate 40"x40" to help adapt to the 
> tm-90 base bolt pattern to the 589 T plate base.
> 
> Best:  mac/mc  w5mc
> 
> On 2/18/2019 1:42 PM, Wilson Lamb wrote:
>> OK, that's about it.
>> Of course I can estimate, but wonder if anyone has a CG location for a 
>> nested tower, horizontal.
>> Yep, I'm calculating ballast for my 16' trailer.
>> Weight is trivial, but stability something else!
>> Wilson
>> W4BOH
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