New Scamp 13D gets the McGiver treatment - Fiberglass RV



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Old 07-26-2018, 11:07 AM   #1
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
New Scamp 13D gets the McGiver treatment

First order when we brought her home last October was to sand, prime, & 4 coats of black semigloss polyurethane on everything underneath including the A frame & rear bumper. All protruding fasteners were cut off & all clips & screws were switched for stainless. 2 double frame grounds were added in 2 locations, and the interior of the frame rails were coated with frame wax rustproofing. As you're probably guessing we're gonna keep her for a bit + the Winters here in Mass aren't very kind to our Toys....
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Old 07-26-2018, 11:19 AM   #2
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
Propex Heater

Next up was the Propex Heater which I Fabbed a heat exchanger for - had to pre stress the heater with the exchanger attached prior to install as these units are very sensitive to altering their intake & exhaust combustion circuit.
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Old 07-26-2018, 11:35 AM   #3
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Name: Dave
Trailer: Scamp 13
Massachusetts
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Propex Heater

The heater was mounted in the bottom of the front closet (no real useable room lost) + even though fairly quiet is not next to our heads while sleeping like the factory units. A plywood plate was installed on top after the duct for heated air (white pipe) was insulated. Prior to connecting the heat exchanger, the exhaust from combustion to the outside was 300 - with the exchanger attached it dropped to 150... Had to squirrel the external intake & exhaust ducts around a bit, then added critter proofing to them. Easily holds the Scamp @ 68 @ 0 outside with no window insulation.
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Old 07-26-2018, 12:02 PM   #4
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
14" Tires

Rotated the torsion axle 15 (gussets & welding reqd) to gain 1.5" lift clearance (14s are 1" taller - with the lift was very tight on the door side @ full flex - 1" clearance) Total lift was 2.5" which gives a bit better departure angle on the tail end for the Bal jacks & the rear carrier.
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Old 07-26-2018, 12:18 PM   #5
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
Bal Jacks & rear carrier/bike rack

Fabbed up a transverse frame member with tabs to mount the Bal jacks on + a box strut to mount a 2" receiver on.
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Old 07-26-2018, 12:31 PM   #6
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Name: Dave
Trailer: Scamp 13
Massachusetts
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Bal Jacks

Added some additional struts after installing the cross member to beef the frame up a bit - Bal's 5000# jacks have a 19" lift that completely unloads the torsion axle while camping or during prolonged storage.
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Old 07-26-2018, 12:42 PM   #7
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
Bike Carrier, Rear Gear Carrier

Found a nice lightweight aluminum tig welded carrier, and ordered Yakima's RV bike rack which I chopped up a bit. The whole assembly comes off & on in 5 minutes. Can be removed & installed on the tow vehicle if we need to bring the bikes somewhere w/out the trailer.
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Old 07-26-2018, 01:02 PM   #8
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
Carrier

Sorry for the crazy orientation of the pics Guys - if anyone knows how to turn them please advise.... Unfortunately the SCAMP'S axle is only rated @ 2200# so we have to watch the weight on the tail - we keep the spare in the TV now & when the bikes are on the back we load up the bathroom a bit. We also found a rogue sized 100 watt solar panel that fit incredibly well in the carrier - have 2 -10' 8ga extension cords for it so we can put it out in the sun (making an adjustable stand for it soon & will post pics)
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Old 07-26-2018, 01:45 PM   #9
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Name: Dave
Trailer: Scamp 13
Massachusetts
Posts: 71
3 Way Fridge

Did the customary fan upgrade to the fridge though added some tweaks; Previously the fridge was cooking the silverware drawer & the associated area. It also could only hold 40 below ambient. I pulled the fridge, added 2" polyisocyanate sheet foam to the right side, 1.5" to the left, & 1+" to the top. Above the condenser fins I added arced aluminum flashing w/ insulation behind it, boxed in the heating tower w/ same w/ additional insulation, partitioned the tower w/ same to further keep it's heat from the left side of the unit, cowled the bottom of the fins & added 2 tiny muffin fans (together only .1 amp draw/hr) & connected them to a 128 thermoswitch mounted on tower's output. 1st test was @ Tanglewood for James Taylor July 4th concert - it was 93 inside the Scamp & the fridge held a solid 38. The fans are almost imperceptible inside & a tiny whine outside - you actually don't need much airflow if you can direct it. Also added some critter screens anchored w/ stainless wire to the vent covers....
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Old 07-26-2018, 02:02 PM   #10
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Name: Dave
Trailer: Scamp 13
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Fridge continued...

If you look @ the vent cover pic, notice I cut out all the horizontal dividers hoping it would help w/ airflow. Yet to install are 2 teeny centrifugal blowers (.06 amps/hr together) inside the fridge. They'll be attached to the ceiling to keep the evaporator & bottom of the fridge from icing up which happened that week at the concert - a concert I had waited 60 years to see (6th row center seats) he was great + fireworks after the show, & even signed Jackie's ticket....
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Old 07-26-2018, 02:12 PM   #11
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I like what you're doing!

This may pull you off-topic so feel free answer over PM, but did your fridge mods basically close off the upper fins to all air other than what is being blown by the fans? That aluminum sheet seems to block everything except the holes for the fans. Then you boxed in and insulated around the chimney?
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Old 07-26-2018, 02:51 PM   #12
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Name: Michael
Trailer: Li'l Hauley
Oklahoma
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Pretty amazing work. Looks good. I would just advise that you weigh your trailer's tongue with a bathroom scale (while loaded, with bikes on the back and all) and then weigh the whole trailer (at a gravel pit or CAT scale) to make sure you have 10% of total trailer weight on the hitch. This should ensure a sway-free tow experience.



Pic orientation is a matter of saving to your computer, rotating them in your photos folder, then uploading. Phones are particularly notorious for affecting rotation, if that's what you used for your photos.
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Old 07-26-2018, 02:51 PM   #13
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Name: Dave
Trailer: Scamp 13
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Zach - not off topic at all & actually pertinent to anyone viewing - I only shrouded the lower 1/5 of the fins given the possibility of the fans failing & the condenser unit possibly overheating due to loss of airflow. Unlike my Propex Heater, Dometic doesn't have an overheat fail shutdown. I would caution others reading this about my set up - thank you Z... I did a number of benchmark tests with my laser temp gauge before & then after Fab & simulated a fan fail around 80 ambient outside & was ok with the results.
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Old 07-26-2018, 03:06 PM   #14
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Name: Dave
Trailer: Scamp 13
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Mike you nailed it - 1st time I've ever posted from my phone HaHa! I have a 600# scale for the tongue though haven't hit the scales yet (soon) For our Maiden voyage this spring from near Cape Cod to Shenandoah, Skyline Drive to Lake Moomaw in SW Virginee, to Charleston & back I started w/ 180 on the T, when she started getting a little squirrely on me around 70/75 we tossed some gear in the shower - was good up to 80+ at that point...
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