Plastimo Compensation Cell - Contest 101 & Offshore 55 & 75 #:  10278
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Plastimo Compensation Cell - Contest 101 & Offshore 55 & 75

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Free Shipping This Item qualifies for Free Shipping on orders over $99! More Info...

Compensation can by adjusted by using a small flat head screw driver.
More Details...   #10278
Brand:  Plastimo
MFG Part#:   17673
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Compensation can by adjusted by using a small flat head screw driver.

40mm W x 11mm H x 45mm deep (excluding "handle")

Plastimo Compensation Instructions:

Does my compass need to be compensated ?
Magnetic fields generating interference on the compass performance exist on all boats. The impact on the compass, called "deviation", can originate from many different sources : metallic masses, loudspeakers, engine, electronic instruments...
If deviation ranks between 7 and 20°, your compass should indeed be compensated.

Plastimo compasses are either supplied with built-in compensation, or can be further equipped with the optional 17673 Compensation Cell. They are designed to be user compensated.

Compensating a compass consists in adjusting the position of the 2 magnets, in order to affect the horizontal component of the card by modifying the North/South and East/West deviation.

How to compensate a compass:

Use a second compass as the reference ; a handbearing compass is often the most convenient, provided it is interference-free. The North-South screw corrects North-South heading ; the East/West screw corrects East-West heading.
• Run the boat along the Northerly course selected as per your handbearing compass and adjust your steering compass by turning the North and South screws either way, so that the steering compass also points North.
• Repeat the procedure, running the boat Easterly.
• Run the boat Southerly and this time, reduce the deviation by half.
• Run the boat Westerly and reduce the deviation by half.
• Note : Upon completing the compensation procedure, it is essential to draw a new deviation table.

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Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. Yes we can ship your order express. Please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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